ECS Inc.

<p>The ECS-40-20-5PDN-TR is a 4 MHz fundamental mode quartz crystal from ECS Inc., part of the CSM-7 series. It is designed for surface mount applications and comes in a compact HC-49/US package with a maximum height of 4.30 mm. The crystal features a load capacitance of 20 pF, a frequency tolerance of ±30 ppm at +25°C, and a frequency stability of ±100 ppm over the extended temperature range of -40°C to +85°C (DN option).</p><p>&nbsp;</p><p>Electrical characteristics include a maximum equivalent series resistance (ESR) of 150 Ω for the 3.570 to 4.999 MHz fundamental range, a shunt capacitance of 7.0 pF, and a drive level of 0.5 mW. The aging rate is ±5 ppm in the first year at +25°C. The crystal is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel.</p><p>&nbsp;</p><p>This crystal is suitable for general-purpose timing and frequency control applications requiring a stable 4 MHz reference. The surface mount HC-49/US package allows for automated assembly and is compatible with standard reflow soldering processes. The extended temperature range makes it appropriate for industrial and automotive environments where temperature extremes are encountered.</p>

<p>This is a 6 MHz fundamental mode quartz crystal from ECS Inc., part of the CSM-7X series. It features a frequency tolerance of ±30 ppm and frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C.</p><p>&nbsp;</p><p>The crystal has a load capacitance of 20 pF and a maximum equivalent series resistance (ESR) of 70 Ω. It is designed for surface mount applications in an HC-49/US package (11.40 mm x 4.80 mm x 4.30 mm). The drive level is 500 μW and shunt capacitance is 7 pF.</p><p>&nbsp;</p><p>This component is RoHS3 compliant and REACH unaffected, with MSL 1 unlimited. It is suitable for use in timing circuits, microcontrollers, and other electronic devices requiring a stable clock source.</p>

<p>The ECS-286.3-18-23A-EN-TR is a 28.63636 MHz quartz crystal from ECS Inc., part of the ECX-64A series. It is designed for surface mount applications and comes in a compact 6.00 mm x 3.50 mm x 1.10 mm 2-SMD, No Lead package.</p><p>&nbsp;</p><p>This crystal operates in fundamental mode with a maximum equivalent series resistance (ESR) of 30 Ω. It has a load capacitance of 18 pF and a drive level of 100 μW. The frequency tolerance is ±30 ppm at +25°C, and the frequency stability is ±50 ppm over the -10°C to +70°C temperature range.</p><p>&nbsp;</p><p>The ECX-64A package is ideal for densely populated PCB designs. The part is RoHS3 compliant and has an MSL rating of 1, allowing for unlimited floor life. It is supplied in tape and reel packaging with 1,000 pieces per reel.</p>

<p>The ECS-110.5-20-20A-TR is a surface mount quartz crystal from ECS Inc.'s CSM-8A series. It operates at a fundamental frequency of 11.0592 MHz with a load capacitance of 20 pF. The crystal offers a frequency tolerance of ±30 ppm at 25°C and a frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C. The maximum equivalent series resistance (ESR) is 60 Ω. The crystal is housed in a 2-SMD, no lead ceramic package with dimensions 7.00 mm x 5.00 mm x 1.70 mm. The termination finish is gold. It is RoHS compliant (with 7(c)I exemption) and has a moisture sensitivity level of 1 (unlimited). The maximum drive level is 500 µW. Typical shunt capacitance is 5 pF. Aging is ±5 ppm in the first year. This crystal is suitable for applications requiring precise timing, such as in microcontrollers, communication interfaces, and consumer electronics.</p>

<p>The ECS-3525-240-B-TR is a standard crystal oscillator (XO) from ECS Inc. It generates a 24 MHz clock signal in HCMOS logic, using a crystal base resonator. The oscillator operates from a nominal 2.5V supply voltage, with an allowable range of 2.25V to 2.75V. Frequency stability is ±50ppm, inclusive of tolerance, temperature, voltage, load, and aging. The operating temperature range is 0°C to 70°C, with a storage range of -55°C to 125°C.</p><p>&nbsp;</p><p>This oscillator is housed in a compact 5.0mm x 3.2mm 4-SMD, no lead package with a height of 1.30mm, suitable for surface mount assembly. It features an enable/disable function (tri-state control) via pad 1. Typical supply current is 7mA, with a maximum of 8mA. Output symmetry is 40% to 60% at 50% VCC, and rise/fall times are 5ns typical, 6ns maximum into a 30pF load.</p><p>&nbsp;</p><p>Typical applications include general purpose clock generation, digital logic timing, microcontroller clock sources, and networking equipment. The part is RoHS3 compliant, Pb-Free, and has MSL 1 (unlimited floor life). It is supplied in tape and reel packaging with 1000 pieces per reel.</p>

<p>The ECS-3225MV-250-CN-TR3 is a 25 MHz crystal oscillator (XO) with HCMOS output, manufactured by ECS Inc. It is part of the ECS-3225MV MultiVolt series, designed for a wide supply voltage range of 1.62V to 3.63V, making it compatible with 1.8V, 2.5V, and 3.3V systems. The frequency stability is ±25 ppm over the operating temperature range of -40°C to +85°C.</p><p>&nbsp;</p><p>This oscillator provides a low jitter of 1 ps (12 kHz to 20 MHz) and a fast start-up time of 10 ms. The duty cycle is 45/55% at half Vdd, and rise/fall time is 7 ns maximum. The output enable/disable function (tri-state) is controlled via pin 1.</p><p>&nbsp;</p><p>The device is surface mounted in a compact 3.2 x 2.5 x 1.2 mm ceramic package with 4-SMD leads. It is RoHS compliant and REACH unaffected. Typical applications include LoRa WAN, low power portable devices, industrial equipment, and IoT systems. The standard packaging is tape and reel with 3,000 units per reel.</p>

<p>The ECS-3525-1000-B-TR is a 100 MHz XO (Standard) crystal oscillator from ECS Inc., part of the ECS-3525 series. It features a crystal base resonator and provides a HCMOS output logic level. The oscillator operates with a 2.5V supply voltage and draws a maximum supply current of 30mA in the 50 to 125 MHz frequency range.</p><p>&nbsp;</p><p>Key electrical characteristics include a frequency stability of ±50ppm, a maximum rise/fall time of 6 ns (10% VDD to 90% level), and an output symmetry of 40/60% at 50% VCC level. The device includes an Enable/Disable function and has a maximum startup time of 10 ms.</p><p>&nbsp;</p><p>The oscillator is housed in a 4-SMD, No Lead surface mount package with dimensions of 5.00mm x 3.20mm x 1.30mm. It is designed for high-density applications and is available in tape and reel packaging.</p>

<p>The ECS-250-20-30B-TR is a 25 MHz fundamental mode quartz crystal from ECS Inc. It is designed for surface mount applications in a compact 5.0mm x 3.2mm package with a low profile of 0.85mm. The crystal offers a frequency tolerance of ±30 ppm at 25°C and a stability of ±50 ppm over the operating temperature range of -20°C to +70°C. With a load capacitance of 20 pF and a maximum ESR of 30 Ω, it is suitable for general-purpose timing applications. The part is RoHS compliant and packaged in tape and reel (1,000 per reel). Its industry-standard footprint makes it ideal for wireless communications, consumer electronics, and industrial control systems where board space is critical.</p>

<p>The ECS-60-S-7SX-TR is a quartz crystal from ECS Inc., part of the ECX-3SX series. It operates at a nominal frequency of 6 MHz with series load capacitance in fundamental mode. The crystal provides a frequency tolerance of ±30 ppm at +25°C and a stability of ±50 ppm over the operating temperature range of -10°C to +70°C. Maximum equivalent series resistance is 100 Ω, with a typical shunt capacitance of 7.0 pF and a maximum drive level of 100 μW. Aging is limited to ±5 ppm in the first year at +25°C ±3°C.</p><p>&nbsp;</p><p>Housed in a compact 4-SOJ surface mount package with a 9.40 mm pitch, the device measures 12.50 mm in length, 4.60 mm in width, and 3.70 mm in height. The storage temperature range is -40°C to +85°C. The part is RoHS3 compliant, REACH unaffected, and has an MSL rating of 1 (unlimited).</p><p>&nbsp;</p><p>Typical applications include timing reference circuits, microcontrollers, and other electronic systems requiring a stable clock source. Note: The manufacturer has indicated this part is not recommended for new designs.</p>

<p>The ECS-160-20-23A-EN-TR is a quartz crystal part of the ECX-64A series from ECS Inc. It operates at a fundamental frequency of 16 MHz with a load capacitance of 20 pF. The equivalent series resistance (ESR) is 60 Ω maximum, and the frequency tolerance is ±30 ppm. Frequency stability is ±50 ppm over the operating temperature range of -40°C to 85°C.</p><p>&nbsp;</p><p>The crystal operates in fundamental mode with a typical drive level of 100 μW and shunt capacitance of 7 pF. Aging is specified at ±5 ppm in the first year at +25°C ±3°C. These electrical characteristics make it suitable for precise timing applications in various electronic circuits.</p><p>&nbsp;</p><p>Packaged in a 2-SMD, no lead surface mount package measuring 6.0 x 3.5 mm with a height of 1.1 mm, the component is RoHS compliant and supplied in tape and reel packaging (1000 units per reel). The compact footprint is ideal for densely populated PCBs, and the part is designed for general-purpose timing in consumer, industrial, and communication systems.</p>

<p>The ECS-240-20-4 is a 24.0000 MHz quartz crystal manufactured by ECS Inc. International. It operates in fundamental mode with a maximum equivalent series resistance (ESR) of 30 Ω. The frequency tolerance is ±30 ppm at +25°C, and frequency stability is ±50 ppm over the -10°C to +70°C operating temperature range.</p><p>&nbsp;</p><p>This crystal requires a 20 pF load capacitance and is designed for a maximum drive level of 0.5 mW. It features a shunt capacitance of 7 pF maximum and aging of ±5 ppm in the first year at +25°C. The storage temperature range is -40°C to +105°C.</p><p>&nbsp;</p><p>The component is housed in a low-profile HC-49/US package with radial leads for through hole mounting. Package dimensions are 11.35 mm length, 4.65 mm width, and 3.5 mm height. It is RoHS3 compliant and REACH unaffected.</p>

<p>The ECS-160-18-30B-AGN-TR is a 16.000 MHz fundamental mode quartz crystal from ECS Inc., part of the ECX-53B series. It is designed for surface mount applications requiring a compact, low-profile timing reference. The crystal offers a load capacitance of 18 pF and features a frequency tolerance of ±25 ppm at 25°C and a frequency stability of ±30 ppm over -20°C to +70°C.</p><p>&nbsp;</p><p>Key electrical characteristics include a maximum equivalent series resistance (ESR) of 50 Ω, a drive level of 100 µW maximum, and a typical shunt capacitance of 5 pF. The device is housed in a 4-SMD, no-lead package measuring 5.00 mm x 3.20 mm with a height of 0.85 mm, making it suitable for space-constrained designs.</p><p>&nbsp;</p><p>The crystal is RoHS3 compliant and rated for an operating temperature range of -40°C to +85°C, with storage from -55°C to +125°C. It is supplied in tape and reel packaging with 1000 pieces per reel. This component is commonly used in wireless communication, consumer electronics, and industrial control systems where precise frequency generation is required.</p>

<p>The ECS-160-20-30B-TR is a 16 MHz quartz crystal resonator from ECS Inc., part of the ECX-53B series. It operates in fundamental mode with a load capacitance of 20 pF and an equivalent series resistance of 50 Ω. The frequency tolerance is ±30 ppm at 25°C, and frequency stability is ±50 ppm over the operating temperature range of -20°C to +70°C.</p><p>&nbsp;</p><p>This crystal is designed for surface mount applications, packaged in a compact 5.0 mm x 3.2 mm 4-SMD, no lead package with a low profile of 0.85 mm. It is suitable for space-constrained wireless and portable electronics where board space is critical.</p><p>&nbsp;</p><p>The device is RoHS3 compliant and MSL 1 (unlimited). It is supplied in tape and reel packaging with a standard quantity of 1000 units per reel.</p>

<p>The ECS-110.5-S-7SX-TR is a surface mount MHz crystal from ECS Inc., part of the ECX-3SX series. It operates at a fundamental frequency of 11.0592 MHz with a series load capacitance requirement. The crystal offers a frequency tolerance of ±30 ppm at 25°C and a frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C.</p><p>&nbsp;</p><p>This crystal is housed in a compact 4-SOJ package with dimensions of 12.50mm x 4.60mm and a height of 3.70mm. It is designed for surface mount assembly and is available in tape and reel packaging with a standard quantity of 1000 pieces per reel. The maximum equivalent series resistance (ESR) is 50 Ω, and the drive level is limited to 100 μW.</p><p>&nbsp;</p><p>Typical applications include providing clock signals for microcontrollers, UARTs, and other digital logic circuits requiring precise timing. The crystal’s stable frequency characteristics make it suitable for use in embedded systems, communication interfaces, and industrial control applications.</p>

<p>The ECS-3525-250-B-TR is a surface-mount crystal oscillator (XO) from ECS Inc. It generates a 25 MHz clock signal with HCMOS logic output and a frequency stability of ±50 ppm. The device operates from a 2.5V supply voltage (2.25V to 2.75V range) and is designed for high-density electronic applications.</p><p>&nbsp;</p><p>Electrical characteristics include a typical input current of 7 mA, 40/60% output symmetry, 5 ns typical rise/fall times, and the ability to drive a 30 pF HCMOS load. The oscillator features an Enable/Disable function (tri-state control) and has a startup time of 10 ms.</p><p>&nbsp;</p><p>Housed in a compact 4-SMD, No Lead package measuring 5.00 mm x 3.20 mm x 1.30 mm, the part is suitable for space-constrained designs. It is rated for operating temperatures from 0°C to 70°C and storage from -55°C to +125°C. The component is RoHS3 compliant, REACH unaffected, and MSL 1 unlimited.</p><p>&nbsp;</p><p>Typical applications include clock generation for microcontrollers, FPGAs, networking equipment, and industrial control systems. The tape and reel packaging (suffix -TR) facilitates automated assembly.</p>

<p>The ECS-240-13-42-CKM-TR is a 24 MHz fundamental mode quartz crystal from ECS Inc., part of the ECX-42 series. It features a load capacitance of 13pF, frequency tolerance of ±10ppm, and frequency stability of ±10ppm over the operating temperature range of -20°C to +70°C. The maximum equivalent series resistance (ESR) is 40Ω.</p><p>&nbsp;</p><p>This crystal is housed in a compact 4-SMD, No Lead ceramic package measuring 4.00mm x 2.50mm with a low profile height of 0.80mm. It is designed for surface mount assembly and is supplied on tape and reel with a standard package quantity of 1000 pieces.</p><p>&nbsp;</p><p>The ECS-240-13-42-CKM-TR is RoHS3 compliant, REACH unaffected, and has an MSL rating of 1 (unlimited). Typical shunt capacitance is 5pF, drive level is 300μW, and aging is ±5ppm in the first year. Storage temperature range is -55°C to +125°C.</p>

<p>This quartz crystal from ECS Inc. operates at a nominal frequency of 12 MHz with a load capacitance of 32 pF. It provides a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C. The equivalent series resistance is 30 Ω maximum, and it operates in fundamental mode using an AT cut crystal blank.</p><p>&nbsp;</p><p>The crystal is housed in a standard HC-49/U through-hole package measuring 11.35 mm length, 4.65 mm width, and 13.46 mm height. It offers excellent aging performance of ±5 ppm per year at +25°C. The device is RoHS3 compliant and REACH unaffected.</p><p>&nbsp;</p><p>This crystal is suitable for general-purpose timing applications requiring a stable clock source in a compact through-hole package. Typical applications include microprocessors, consumer electronics, and industrial controls.</p>

<p>The ECS-3225MV-120-BN-TR is a surface-mount crystal oscillator from ECS Inc.'s 3225MV series. It provides a 12 MHz HCMOS output with a frequency stability of ±50 ppm over the full -40°C to +85°C temperature range. The oscillator operates from a supply voltage of 1.62V to 3.63V, making it compatible with 1.8V, 2.5V, and 3.3V logic systems. Key electrical characteristics include a 15 pF output load, 45/55% duty cycle, 7 ns rise/fall time, and 10 ms start-up time. Phase jitter is typically 1 ps (12 kHz to 20 MHz). Input current is 4 mA maximum under no load, with a standby current of 10 µA. The device features an enable/disable function (tri-state on pin 1).</p><p>&nbsp;</p><p>The oscillator is packaged in a 4-SMD, no lead ceramic package measuring 3.2 mm x 2.5 mm x 1.2 mm. It is supplied on tape and reel with a standard quantity of 1000 pieces. The lead finish is gold (Au). The ECS-3225MV-120-BN-TR is RoHS3 compliant and has an MSL rating of 1 (unlimited). It is suitable for applications such as LoRa WAN, low-power portable devices, industrial equipment, and IoT systems.</p>

<p>The ECS-3953M-250-B-TR is a miniature, crystal-controlled clock oscillator from ECS Inc. in the ECS-3953M series. It operates at 25 MHz with HCMOS output logic and requires a 3.3V supply voltage, drawing typically 15 mA. The frequency stability is ±50 ppm over the -10°C to +70°C operating temperature range, inclusive of tolerances.</p><p>&nbsp;</p><p>Designed for low power consumption, this oscillator features a seam welded metal lid and ceramic SMD package (4-SMD, No Lead) measuring 7.00 x 5.00 x 1.70 mm. It supports enable/disable function with a typical start-up time of 5 ms and enable/disable time of 100 ns. The load capacitance is 15 pF, suitable for HCMOS loads.</p><p>&nbsp;</p><p>This oscillator is ideal for portable electronics and instrumentation where space and power are critical. It is supplied in tape and reel packaging (1000 pieces per reel) and is RoHS3 compliant and lead free.</p>

<p>The ECS-080-18-23A-JGN-TR is an 8 MHz fundamental mode quartz crystal from ECS Inc., part of the ECX-64A series. It features a frequency tolerance of ±20ppm at +25°C and frequency stability of ±30ppm over -10°C to +70°C. The operating temperature range is -40°C to 85°C, making it suitable for extended temperature environments.</p><p>&nbsp;</p><p>The crystal has a load capacitance of 18pF and a maximum equivalent series resistance (ESR) of 80Ω. It is designed for surface mount assembly in a compact 6.00mm x 3.50mm package with a low profile height of 1.10mm, ideal for densely populated PCBs.</p><p>&nbsp;</p><p>This crystal is RoHS3 and REACH compliant with MSL 1 unlimited. It is commonly used in microcontrollers, communication devices, and other digital circuits requiring a precise and stable clock source.</p>

<p>The ECS-3518-1250-B-TR is a surface-mount clock oscillator from ECS Inc.'s ECS-3518 series. It is a standard XO (crystal-based) oscillator that outputs a 125 MHz HCMOS signal with a frequency stability of ±50ppm. The device operates from a nominal 1.8V supply voltage (1.62V to 1.98V range) and draws a typical input current of 25mA.</p><p>&nbsp;</p><p>This oscillator is designed for general-purpose timing applications requiring a precise 125 MHz clock. It features an enable/disable function via the tri-state control pin. The output has a 40/60% symmetry and a maximum rise/fall time of 5ns, driving a 30pF HCMOS load. The startup time is 10ms maximum.</p><p>&nbsp;</p><p>The ECS-3518-1250-B-TR is housed in a compact 4-SMD, no-lead package measuring 5.00mm x 3.20mm with a height of 1.30mm. It is rated for an operating temperature range of 0°C to 70°C and a storage temperature range of -55°C to +125°C. The part is RoHS3 compliant and has an MSL rating of 1 (unlimited).</p>

<p>The ECS-5032MV-200-CN-TR is a 20 MHz surface mount crystal oscillator (XO) from ECS Inc. with a standard HCMOS output. It features a frequency stability of ±25 ppm and operates over a temperature range of -40°C to +85°C. The oscillator supports a wide supply voltage range of 1.6V to 3.6V, making it compatible with multiple power supply voltages including 1.8V, 2.5V, and 3.3V.</p><p>&nbsp;</p><p>Housed in a compact 5.0mm x 3.2mm x 1.3mm 4-SMD, no lead ceramic package, the device is suitable for surface mount assembly. The output is enabled/disabled via the tri-state function on pin 1. Key electrical characteristics include a maximum current consumption of 7 mA (note: datasheet indicates 6.0 mA max for 20 MHz at 3.3V, verify condition), rise/fall time of 7 ns, typical phase jitter of 1 ps, and a startup time of 5 ms. The duty cycle is 45/55%.</p><p>&nbsp;</p><p>This oscillator is designed for low power, portable, industrial, and IoT applications where a stable clock source is required. The MultiVolt capability allows operation from a single supply voltage without needing different part numbers for different voltage levels. The device is RoHS3 compliant and MSL Level 1.</p>

<p>The ECS-2520MVLC-081.92-BN-TR is a miniature SMD low current CMOS oscillator from ECS Inc. It features an 8.192 MHz output frequency with ±50ppm frequency stability over the full -40°C to +85°C operating temperature range. The MultiVolt design allows operation from 1.6V to 3.6V supply voltage, making it compatible with 1.8V, 2.5V, or 3.3V power rails.</p><p>&nbsp;</p><p>This oscillator consumes only 1.8mA maximum supply current at 3.3V (no load) and offers an enable/disable function via pin 1 for standby power savings with 10µA standby current. The CMOS output drives a 15pF load with 45/55% duty cycle and 7ns rise/fall time. Phase jitter is typically 150fs (12kHz-20MHz, 50MHz carrier).</p><p>&nbsp;</p><p>The device is housed in a 4-SMD no-lead ceramic package measuring 2.5mm x 2.0mm x 0.9mm, suitable for surface mount assembly. It is ideal for low power, portable, industrial, and IoT applications such as LoRa WAN. The part is supplied on tape and reel with 1000 pieces per reel.</p>

<p>The ECS-122.8-18-33-JGN-TR is a surface mount crystal from ECS Inc., part of the ECX-32 series. It operates at a fundamental frequency of 12.288 MHz with a load capacitance of 18 pF. The crystal offers a frequency tolerance of ±20 ppm at +25°C and a frequency stability of ±30 ppm over the full operating temperature range of -40°C to +85°C. The equivalent series resistance (ESR) is a maximum of 100 Ω. The shunt capacitance is typically 5 pF, and the maximum drive level is 100 µW. Aging is specified at ±5 ppm in the first year.</p><p>&nbsp;</p><p>Packaged in a compact 4-SMD, no lead ceramic package measuring 3.2 mm x 2.5 mm x 0.8 mm, the crystal is designed for surface mount assembly. It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel. The device is RoHS3 compliant and has an MSL rating of 1 (unlimited) for moisture sensitivity. The storage temperature range is -55°C to +125°C.</p><p>&nbsp;</p><p>Typical applications include wireless communication, LoRa WAN, and other high-density electronic designs where a stable and precise frequency reference is required.</p>

<p>The ECS-110.5-20-5PX-TR is a surface mount MHz crystal from ECS Inc. designed for general-purpose frequency control applications. It operates at a fundamental frequency of 11.0592 MHz with a load capacitance of 20 pF. The crystal offers a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±50 ppm over the standard operating temperature range of -10°C to +70°C.</p><p>&nbsp;</p><p>With a maximum equivalent series resistance (ESR) of 50 Ω and a drive level of 500 μW, this crystal is suitable for low-power designs. The shunt capacitance is typically 7 pF, and aging is limited to ±5 ppm in the first year.</p><p>&nbsp;</p><p>The crystal is housed in the industry-standard HC-49/US surface mount package (code 5PX) with a maximum height of 4.3 mm. Dimensions are 11.40 mm x 4.80 mm. It is supplied in tape and reel packaging with 1000 units per reel, making it suitable for automated assembly.</p><p>&nbsp;</p><p>Common applications include microcontrollers, communication interfaces, and clock generation circuits. The component is RoHS3 and REACH compliant, and it is manufactured with a lead-free process.</p>

<p>The ECS-122.8-18-4XEN is a 12.288 MHz quartz crystal from ECS Inc. designed for through-hole mounting in the HC-49/US package. It operates in fundamental mode with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 Ω maximum. The crystal offers a frequency tolerance of ±30 ppm at 25°C and a frequency stability of ±50 ppm over the operating temperature range of -40°C to +85°C. This makes it suitable for general-purpose timing applications in industrial and consumer electronics. The HC-49/US package measures 11.35 mm x 4.65 mm x 3.50 mm, providing a low-profile solution for PCB designs. The crystal is RoHS3 compliant and has an MSL rating of 1 (unlimited). It is commonly used in microcontrollers, communication interfaces, and clock generation circuits.</p>

<p>The ECS-40-20-4X is a 4.0000 MHz fundamental mode quartz crystal manufactured by ECS Inc. International. It is designed for general purpose frequency control applications requiring a stable and accurate clock source.</p><p>&nbsp;</p><p>Key electrical specifications include a frequency tolerance of ±30 ppm at 25°C and frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C. The crystal requires a 20 pF load capacitance and has a maximum equivalent series resistance (ESR) of 150 Ω. The drive level is 500 μW typical, and shunt capacitance is 7 pF typical. First year aging is limited to ±5 ppm.</p><p>&nbsp;</p><p>The crystal is housed in a low profile HC-49USX (3.5 mm height) resistance weld through hole package with matte tin/copper lead finish. It is RoHS3 compliant, REACH unaffected, and MSL 1 (unlimited). The part is lead free and suitable for wave soldering with a peak solder temperature of 260°C for 10 seconds.</p>

<p>The ECS-3225MV-250-CN-TR is a surface-mount crystal oscillator (XO) from the ECS-3225MV series, offering a 25 MHz output in HCMOS logic. It features a wide supply voltage range of 1.62V to 3.63V, making it compatible with 1.8V, 2.5V, and 3.3V systems. The oscillator maintains ±25 ppm frequency stability over the full industrial temperature range of -40°C to +85°C, including initial tolerance, temperature, supply voltage, and load changes.</p><p>&nbsp;</p><p>Electrical characteristics include a typical input current of 4 mA (for 10 to 39.999 MHz range), maximum standby current of 10 µA, rise/fall time of 7 ns (20% to 80% Vdd), and typical phase jitter of 1 ps (12 kHz to 20 MHz). The output is enabled by pin 1 (tri-state function) with a high-impedance state when disabled. Duty cycle is 45/55% at ½ Vdd.</p><p>&nbsp;</p><p>Housed in a compact 4-SMD, no-lead ceramic package measuring 3.2 mm x 2.5 mm x 1.2 mm, the oscillator is suitable for space-constrained designs. Applications include low-power portable devices, IoT, LoRa WAN, and industrial electronics. The device is RoHS3 compliant and has MSL 1 (unlimited) moisture sensitivity level.</p>

<p>The ECS-3953C-250-TR is a surface mount crystal oscillator from ECS Inc. It generates a precise 25 MHz clock signal using a crystal base resonator. The output is HCMOS logic with enable/disable tri-state control via pin 1. This oscillator operates from a 3.0V to 3.6V supply with a nominal voltage of 3.3V.</p><p>&nbsp;</p><p>Key electrical characteristics include typical input current of 8 mA, frequency stability of ±100 ppm inclusive of temperature and load variations, and duty cycle of 40/60% at 50% VDD level. The device features a 5 ms startup time, rise and fall times of 10 ns typical, and an enable/disable time of 150 ns maximum.</p><p>&nbsp;</p><p>The oscillator is housed in a compact 7.0 x 5.0 x 1.75 mm all ceramic 4-SMD package with no leads. It is RoHS3 compliant and rated for operating temperatures from 0°C to 70°C. The part is supplied in tape and reel packaging with 1000 units per reel.</p>

<p>The ECS-200-20-4 is a 20 MHz quartz crystal from ECS Inc. It operates in fundamental mode with a frequency tolerance of ±30 ppm at +25°C and frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C.</p><p>&nbsp;</p><p>The crystal features a load capacitance of 20 pF and a maximum equivalent series resistance (ESR) of 30 Ω. It is designed for low drive level up to 0.5 mW and offers excellent aging of ±5 ppm in the first year.</p><p>&nbsp;</p><p>Housed in a low-profile HC-49/US through hole package, the crystal measures 11.35 mm x 4.65 mm x 3.5 mm maximum. It is suitable for applications requiring reliable frequency control in a compact form factor.</p>

<p>The ECS-3X8 is a 32.768 kHz tuning fork crystal from ECS Inc., designed for through hole mounting in a cylindrical radial can package measuring 3.10 mm x 8.20 mm. This fundamental mode crystal offers a load capacitance of 12.5 pF and a frequency tolerance of ±20 ppm over its operating temperature range of -10°C to 60°C. With an equivalent series resistance of 35 kΩ, it is suitable for low-frequency timing applications such as real-time clocks and sleep mode oscillators in battery-powered devices. The RoHS3 and REACH compliant construction ensures environmental compatibility for use in commercial and industrial designs.</p>