ECS Inc.

<p>The ECS-271.344-CDX-0383 is a MHz crystal from ECS Inc. designed for surface mount applications. It operates at a fundamental frequency of 27.1344 MHz with a load capacitance of 12 pF. The crystal offers a frequency tolerance of ±20 ppm and a frequency stability of ±30 ppm over the operating temperature range of -10°C to +70°C. Maximum ESR is 30 Ω for frequencies from 13 to 30 MHz. The component is housed in a HC-49/US package measuring 11.40 mm x 4.80 mm x 4.30 mm. It is suitable for use in timing circuits, microcontrollers, and communication devices. The crystal is RoHS compliant and has a maximum drive level of 500 µW. It is commonly used in TX/RX chipset applications as indicated in the datasheet.</p>

<p>The ECS-245.7-18-7SX-TR is a surface mount MHz crystal from ECS Inc., part of the ECX-3SX series. It operates at a fundamental frequency of 24.576 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm over the -10°C to +70°C temperature range. The crystal has a load capacitance of 18 pF and a maximum ESR of 50 Ω, making it suitable for general-purpose timing and clock generation circuits.</p><p>&nbsp;</p><p>This crystal is housed in a molded SMD package (code 7SX) measuring 12.50 mm x 4.60 mm x 3.70 mm, with a 9.40 mm lead spacing. It is designed for surface mount assembly and is RoHS3 compliant. The drive level is 100 μW maximum, and shunt capacitance is 7.0 pF typical. The device offers aging of ±5 ppm in the first year at +25°C.</p><p>&nbsp;</p><p>Typical applications include microcontrollers, communication equipment, and consumer electronics requiring a stable 24.576 MHz reference. The ECX-3SX series is known for its low profile and industry standard footprint, facilitating easy integration into PCB designs.</p>

<p>The ECS-8FMX-040-TR is a 4 MHz crystal oscillator from ECS Inc., part of the 8FMX series. It provides both CMOS and TTL compatible outputs with an enable/disable function. The oscillator operates from a 5V nominal supply voltage (4.5V to 5.5V range) and draws a typical input current of 23 mA.</p><p>&nbsp;</p><p>Frequency stability is ±100 ppm over -10°C to +70°C and ±200 ppm over the full -40°C to +85°C operating temperature range. The device features a typical rise and fall time of 8 ns, output symmetry of 40% to 60%, and a maximum start-up time of 4 ms.</p><p>&nbsp;</p><p>Packaged in a 4-SOJ surface-mount package with a 5.08mm pitch and J-Lead style, the oscillator measures 14.00 mm x 8.65 mm x 4.70 mm. It is RoHS3 compliant and supplied on tape and reel with a standard quantity of 1000 pieces per reel.</p>

<p>The ECS-327MVATX-3-CN-TR3 is a 32.768 kHz crystal oscillator (XO) from ECS Inc. featuring MultiVolt technology with a supply voltage range of 1.6V to 3.6V. It provides a CMOS output with ±25 ppm frequency stability over the full operating temperature range of -40°C to +85°C. The device consumes only 200 µA of supply current typical and has a standby current of 10 µA.</p><p>&nbsp;</p><p>This oscillator is designed for low-power applications such as real-time clocks (RTCs), portable devices, industrial controls, and IoT systems. It offers a 45/55% duty cycle, 30 ns rise/fall times, and a 5 ms startup time. The tri-state function allows output enable/disable via pin 1.</p><p>&nbsp;</p><p>The part is housed in a compact 3.20mm x 2.50mm x 1.20mm 4-SMD no lead package, suitable for surface mount assembly. It is RoHS3 compliant and packaged in tape and reel with 3000 pieces per reel.</p>

<p>The ECS Inc. 700-9001 is a base insulator designed for HC-49U/US crystal packages. It serves as a mounting and isolation component for quartz crystals in HC-49U/US packages.</p><p>&nbsp;</p><p>Constructed from 0.014 inch thick Mylar material, this insulator provides electrical insulation and mechanical spacing between the crystal and the circuit board.</p><p>&nbsp;</p><p>With 3 positions, it is suited for specific crystal holder configurations. It is compatible with HC-49U/US style crystals and commonly used in oscillator circuits.</p>

<p>The ECS-8FM-200-TR is a 20 MHz surface mount crystal oscillator (XO) from ECS Inc. International. It features CMOS and TTL compatible outputs with an enable/disable tri-state function, making it suitable for a wide range of digital timing applications. The oscillator operates from a 5V supply voltage and draws a typical supply current of 23 mA.</p><p>&nbsp;</p><p>Key electrical characteristics include a frequency stability of ±200 ppm over the full operating temperature range of -40°C to +85°C, including effects of aging, voltage change, and load. The output symmetry is 40/60% at half VCC, and rise/fall times are 8 ns maximum for frequencies up to 30 MHz. Start-up time is 4 ms maximum, and enable/disable time is 100 ns.</p><p>&nbsp;</p><p>The oscillator is housed in a 4-SOJ package with J-leads and a 5.08 mm pitch, measuring 14.00 mm x 8.65 mm x 4.70 mm. It is designed for surface mount reflow soldering and is supplied on tape and reel with 1000 pieces per reel. The base resonator is a crystal, and the device is rated for storage temperatures from -55°C to +125°C.</p><p>&nbsp;</p><p>This oscillator is suitable for general-purpose timing, clock generation, and microprocessor applications where a stable 20 MHz reference is required. The tri-state enable/disable feature allows for power saving or test mode control.</p>

<p>The ECS-196-20-23A-EN-TR is a 19.6608 MHz fundamental mode quartz crystal from ECS Inc. It features a frequency tolerance of ±30ppm at 25°C and a frequency stability of ±50ppm over the full -40°C to +85°C operating temperature range. The crystal is specified with a 20pF load capacitance and a maximum equivalent series resistance (ESR) of 60Ω for the 16-19.999 MHz range, making it suitable for standard oscillator circuits.</p><p>&nbsp;</p><p>Housed in a compact 2-SMD no lead ceramic package measuring 6.0mm x 3.5mm x 1.1mm, this crystal supports surface mount assembly and is supplied in tape and reel packaging (1000 pieces per reel). The glass-sealed package provides reliable performance in demanding environments. The part is RoHS3 compliant and has an MSL rating of 1 (unlimited floor life).</p><p>&nbsp;</p><p>Designed for general-purpose clock generation in microcontrollers, communication interfaces, and other digital systems, the ECS-196-20-23A-EN-TR offers a balance of precision and low profile. Its compact footprint and fundamental mode operation simplify PCB layout and reduce board space requirements.</p>

<p>The ECS-3963-600-BN-TR is a surface-mount crystal oscillator (XO) from ECS Inc. operating at 60 MHz with HCMOS output logic. It is part of the ECS-3963 series designed for 3.3V supply voltage, with a typical input current of 35 mA. The oscillator provides frequency stability of ±50 ppm over the extended industrial temperature range of -40°C to +85°C. It features a tri-state enable/disable function via pin 1, allowing the output to be disabled when needed. The device is housed in a compact 4-SMD no-lead package measuring 5.00mm x 3.20mm x 1.30mm, suitable for automated surface mount assembly. It is RoHS3 compliant and available in tape and reel packaging with a standard quantity of 1000 pieces. This oscillator is suitable for a wide range of clock generation applications in telecommunications, networking, and industrial systems requiring stable frequency references.</p>

<p>The ECS-240-20-18-TR is a 24.0000 MHz quartz crystal from ECS Inc., part of the CSM-12 series. It operates in fundamental mode with a frequency tolerance of ±30 ppm at +25°C and frequency stability of ±100 ppm over the full -40°C to +85°C temperature range. The crystal requires a 20 pF load capacitance and has a maximum equivalent series resistance (ESR) of 50 Ω.</p><p>&nbsp;</p><p>This surface mount device comes in a compact 4-SMD, No Lead package measuring 11.80 mm x 5.50 mm with a low profile height of 2.50 mm. It is designed for general-purpose timing applications and is RoHS3 compliant. The part is supplied on tape and reel with 1,000 pieces per reel.</p><p>&nbsp;</p><p>The CSM-12 series crystals are cost-effective and suitable for industrial temperature ranges. The ECS-240-20-18-TR is not recommended for new designs per the manufacturer, but remains available for existing designs and replacements.</p>

<p>The ECS-8FM-080-TR is a surface mount clock oscillator from the ECS-8F series, designed for 5V supply voltage. It provides a stable 8 MHz output with CMOS and TTL compatibility. Frequency stability is ±200 ppm over the full operating temperature range of -40°C to +85°C, inclusive of tolerance, temperature, voltage, load, and aging. The oscillator draws a typical supply current of 23 mA (max) for frequencies up to 30 MHz. Output symmetry is 40/60% at 1/2 VCC, and rise/fall time is 8 ns. Start-up time is 4 ms, and enable/disable time is 100 ns. The tri-state function (pin 1) allows output disabling with a high impedance state when pin 1 is at ≤0.8V, and oscillation is enabled at ≥2V (or left open). The device is packaged in a 4-SOJ (small outline J-lead) package with 5.08mm pitch, dimensions 14.00 x 8.65 x 4.70 mm, suitable for reflow soldering. It is supplied in tape and reel packaging with a standard quantity of 1000 pieces. Environmental compliance includes RoHS3 and REACH, with MSL level 1 unlimited.</p>

<p>The ECS-250-20-33-DU-TR is a 25.0000 MHz quartz crystal from ECS Inc., part of the ECX-32 series. It operates in fundamental mode with a load capacitance of 20 pF and a maximum equivalent series resistance (ESR) of 40 Ω. The frequency tolerance is ±50 ppm at +25°C, and frequency stability is ±100 ppm over the temperature range of -20°C to +70°C.</p><p>&nbsp;</p><p>This crystal is housed in a compact 4-SMD, no lead ceramic package measuring 3.20 mm x 2.50 mm x 0.80 mm, suitable for surface mount assembly. It is designed for use in wireless, LoRa WAN, and high-density applications where a low-profile timing reference is required.</p><p>&nbsp;</p><p>The device is rated for an operating temperature range of -55°C to +125°C and storage temperature of -55°C to +125°C. It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel.</p>

<p>The ECS-200-S-18-TR is a 20 MHz fundamental mode crystal from ECS Inc., part of the CSM-12 series. It is designed for surface mount applications and comes in a compact 4-SMD, No Lead package measuring 11.80 mm x 5.50 mm with a low profile height of 2.50 mm.</p><p>&nbsp;</p><p>This crystal offers a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±100 ppm over the full industrial temperature range of -40°C to +85°C. The equivalent series resistance (ESR) is 50 Ω maximum, and the drive level is 100 μW. It operates in fundamental mode with a series load capacitance.</p><p>&nbsp;</p><p>The CSM-12 package is RoHS compliant and has an MSL rating of 1 (unlimited). The part is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel. It is suitable for use in a wide range of timing and frequency control applications.</p>

<p>The ECS-2333-160-BN-TR is a surface-mount crystal oscillator (XO) from the ECS-2333 series, designed for high-density applications requiring a precise 16 MHz clock source. It delivers HCMOS output with a frequency stability of ±50 ppm across its full operating temperature range of -40°C to 85°C.</p><p>&nbsp;</p><p>This oscillator operates from a 3.3V supply voltage (2.97V to 3.63V range) and features an Enable/Disable function for power management. Key electrical characteristics include a maximum input current of 7 mA, 15 pF output load, and fast rise/fall times of 10 ns. The device also offers a standby current of just 10 µA when disabled.</p><p>&nbsp;</p><p>Housed in a compact 3.20mm x 2.50mm 4-SMD, No Lead package with a maximum seated height of 1.00mm, the ECS-2333-160-BN-TR is suitable for space-constrained designs. It is supplied on tape and reel with a standard quantity of 1000 pieces per reel.</p>

<p>The ECS-.327-6-17-TR is a precision tuning fork crystal from the ECX-306 series by ECS Inc. It operates at a nominal frequency of 32.768 kHz with a load capacitance of 6 pF. The crystal offers a frequency tolerance of ±20 ppm and a maximum equivalent series resistance (ESR) of 50 kΩ. It operates in fundamental mode.</p><p>&nbsp;</p><p>The crystal is housed in a compact 4-SOJ package with a 5.50 mm pitch. It measures 8.00 mm in length, 3.80 mm in width, and 2.50 mm in height, making it suitable for space-constrained surface-mount designs. The operating temperature range is -40°C to +85°C.</p><p>&nbsp;</p><p>Tuning fork crystals are commonly used in real-time clock (RTC) circuits, timekeeping applications, and low-frequency timing references. The ECX-306 series is designed for long-term stability and industry-standard footprint compatibility. The part is supplied in tape and reel packaging with a standard quantity of 3000 pieces per reel.</p>

<p>The ECS-270-20-33-CKM-TR is a compact surface mount MHz crystal from ECS Inc., part of the ECX-32 series. It operates at 27.0000 MHz fundamental mode with a load capacitance of 20 pF. Frequency tolerance and stability are both ±10 ppm, ensuring accurate timing in the operating temperature range of -20°C to 70°C. The equivalent series resistance is 40 Ω maximum.</p><p>&nbsp;</p><p>Housed in a 3.2 x 2.5 x 0.8 mm ceramic 4-SMD package with no leads, this crystal is suitable for high-density PCB designs. The device is RoHS compliant and has an MSL rating of 1 (unlimited floor life). Standard packaging is tape and reel with 1000 pieces per reel.</p><p>&nbsp;</p><p>Common applications include wireless communication modules, IoT devices, and general-purpose timing circuits where a stable 27 MHz reference clock is required.</p>

<p>The ECS-327SMO-TR is a 32.768 kHz standard XO oscillator with CMOS output, designed for wireless PCMCIA and portable communication equipment. It features a wide supply voltage range of 1.5V to 6V, making it suitable for multi-voltage and battery-powered designs. Frequency stability is -60/+30 ppm over -10°C to 60°C and -140/+30 ppm over the full -40°C to 85°C operating range. The device draws 8 to 15 µA with a 15 pF load and has a startup time of 220 to 500 ms. Output symmetry is 45/55% to 55/45% at half Vcc. The oscillator is housed in a low-profile 4-SMD, no lead package measuring 6.5mm x 4.0mm x 2.0mm. It is supplied in tape and reel packaging with 2,000 units per reel and is RoHS compliant.</p>

<p>The ECS-240-10-33B-7KM-TR is a fundamental mode MHz crystal from ECS Inc., part of the ECS-33B series. It operates at 24 MHz with a frequency tolerance of ±7 ppm at 25°C and stability of ±10 ppm over -20°C to 70°C. The load capacitance is 10 pF and maximum ESR is 40 Ω. This crystal is suitable for applications such as Bluetooth, Wi-Fi, IoT, and wearable devices. It comes in a compact 3.2 mm x 2.5 mm x 0.8 mm ceramic SMD package with gold termination, designed for surface mount assembly. The operating temperature range is -20°C to 70°C with storage from -40°C to 125°C. The drive level is 200 μW typical and aging is ±1 ppm first year. The part is RoHS and REACH compliant.</p>

<p>The ECS-3953M-240-B-TR is a miniature, crystal-controlled clock oscillator from the ECS-3953M series. It operates at a nominal frequency of 24 MHz with HCMOS output logic and a frequency stability of ±50 ppm. The device is designed for a supply voltage of 3.3V (range 3.0V to 3.6V) and features an enable/disable function via pin 1.</p><p>&nbsp;</p><p>This oscillator is housed in a 4-SMD, No Lead ceramic package measuring 7.00mm x 5.00mm x 1.70mm, suitable for surface mount assembly. It is supplied in tape and reel packaging with a standard quantity of 1000 pieces. The part is RoHS3 compliant and lead-free.</p><p>&nbsp;</p><p>Typical applications include portable PCs, instrumentation, and other electronic systems requiring a low-power, stable clock source. The device offers a start-up time of 5 ms and a rise/fall time of 15 ns, making it suitable for general-purpose timing applications.</p>

<p>The ECS-250-20-4VX is a 25.000 MHz fundamental mode quartz crystal from ECS Inc. It is designed for through hole mounting in the compact HC-49/US resistance weld package with a maximum height of 2.10 mm. Key electrical characteristics include a load capacitance of 20 pF, a maximum equivalent series resistance (ESR) of 40 Ω, and a shunt capacitance of 5 pF typical. Frequency tolerance is ±30 ppm at +25°C, and frequency stability is ±50 ppm over the operating temperature range of -10°C to +70°C. The drive level is 500 μW, making it suitable for standard oscillator circuits. First year aging is ±5 ppm at +25°C ±3°C. The device is RoHS3 compliant and lead free (PB Free), with MSL 1 rating. The storage temperature range is -55°C to +125°C.</p>

<p>The ECS-41-20-4X is a low-profile through hole quartz crystal from ECS Inc., part of the HC-49USX series. It operates at a nominal frequency of 4.096 MHz with a fundamental mode of oscillation. The crystal features 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 designed for general-purpose timing and clock generation applications. It has a maximum ESR of 150 Ω and a load capacitance of 20 pF. The shunt capacitance is typically 7 pF, and the maximum drive level is 500 µW. The device is RoHS3 compliant and has an MSL rating of 1 (unlimited).</p><p>&nbsp;</p><p>The package is a low-profile HC-49/US through hole type with radial leads. Dimensions are 11.35 mm length, 4.65 mm width, and 3.50 mm height. The storage temperature range is -55°C to +125°C, and the aging specification is ±5 ppm in the first year.</p>

<p>The ECS-160-20-5PX-TR is a 16 MHz surface mount crystal manufactured by ECS Inc. It is part of the CSM-7X series, designed for cost-effective frequency control applications.</p><p>&nbsp;</p><p>It operates at fundamental mode with a frequency tolerance of ±30 ppm at +25°C and frequency stability of ±50 ppm over -10°C to +70°C. Load capacitance is 20 pF, with maximum ESR of 40 Ω. Shunt capacitance is 7 pF typical, and drive level is 500 µW maximum.</p><p>&nbsp;</p><p>Housed in an HC-49/US (5PX) package with dimensions 11.40 mm x 4.80 mm and maximum height 4.30 mm. The component is RoHS3 compliant and REACH unaffected. It is available in tape and reel packaging with a standard quantity of 1000.</p><p>&nbsp;</p><p>Suitable for use in microprocessor clocks, communication equipment, and consumer electronics requiring precise timing references.</p>

<p>The ECS-60-S-7S-TR is a 6.0000 MHz quartz crystal from ECS Inc., part of the ECX-3S series. It is designed for series resonance operation with no external load capacitance required. The crystal offers a frequency tolerance of ±30ppm at 25°C and a frequency stability of ±50ppm over the operating temperature range of -10°C to +70°C.</p><p>&nbsp;</p><p>With a maximum equivalent series resistance (ESR) of 100Ω, this crystal is suitable for general-purpose timing applications. The drive level is 100 µW typical, and the shunt capacitance is 7.0 pF typical. The crystal operates in fundamental mode.</p><p>&nbsp;</p><p>The device is housed in a ruggedized molded 4-SOJ package with dimensions of 12.50mm x 4.60mm x 3.70mm and a lead pitch of 9.40mm. It is surface-mountable and supplied in tape and reel packaging with 1000 pieces per reel. The package is MSL Level 1 (unlimited floor life) and RoHS3 compliant.</p>

<p>The ECS-2520S33-500-FN-TR is a 50 MHz HCMOS crystal oscillator from ECS Inc. in the miniature 2.5 x 2.0 x 0.9 mm 4-SMD, No Lead ceramic package. It operates from a 3.3 V supply with a typical current consumption of 7 mA and a standby current of only 10 µA. The oscillator provides a frequency stability of ±10 ppm over the full -40 to +85°C temperature range, making it suitable for applications requiring precise timing.</p><p>&nbsp;</p><p>Key electrical characteristics include a 45/55% duty cycle, 5 ns rise/fall time, and a startup time of 10 ms. The output is HCMOS with a 15 pF load, and the device features a tri-state function (active low) for output enable/disable. Phase noise at 10 kHz offset is -145 dBc/Hz.</p><p>&nbsp;</p><p>The oscillator is RoHS3 compliant with MSL 1 and lead finish Au. It is supplied in tape and reel packaging with 1000 units per reel. The compact footprint and low profile are ideal for space-constrained designs in wireless and IoT applications.</p>

<p>The ECS-3225MV-250-BN-TR is a miniature SMD HCMOS crystal oscillator from ECS Inc., part of the ECS-3225MV MultiVolt series. It provides a nominal output frequency of 25 MHz with a frequency stability of ±50 ppm over the full operating temperature range of -40°C to 85°C. The oscillator supports a wide supply voltage range of 1.62V to 3.63V, making it compatible with 1.8V, 2.5V, and 3.3V power supplies.</p><p>&nbsp;</p><p>This device features an HCMOS output with a 15 pF load, a typical rise/fall time of 7 ns, and a duty cycle of 45/55%. It includes an enable/disable function controlled via pin 1 (tri-state), with a typical start-up time of 10 ms. The phase jitter is rated at 1 ps (12 kHz to 20 MHz), and typical supply current is 4 mA for the 10.00 to 39.999 MHz frequency range.</p><p>&nbsp;</p><p>The oscillator is housed in a compact 4-SMD, no lead ceramic package measuring 3.2 mm x 2.5 mm with a seated height of 1.20 mm. It is designed for surface mount assembly and is available in tape and reel packaging. The part is RoHS compliant and lead-free with a gold finish.</p>

<p>The ECS-80-20-4X is a low-profile, through-hole quartz crystal from ECS Inc. operating at a fundamental frequency of 8 MHz. It is designed for general-purpose frequency control applications requiring a stable clock source.</p><p>&nbsp;</p><p>Key electrical specifications include a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±50 ppm over the -10°C to +70°C operating temperature range. The crystal requires a 20 pF load capacitance and has a maximum equivalent series resistance (ESR) of 80 Ω. The maximum drive level is 500 µW.</p><p>&nbsp;</p><p>The crystal is housed in a standard HC-49/US package with radial leads, measuring 11.35mm x 4.65mm with a seated height of 3.50mm. It is Pb-free and RoHS compliant, with an MSL rating of 1 (unlimited).</p>

<p>The ECS-250-18-5P-F-TR is a surface mount quartz crystal from ECS Inc., part of the CSM-7 series. It operates at a fundamental frequency of 25 MHz with a load capacitance of 18 pF, making it suitable for a wide range of timing applications. Key electrical specifications include a maximum ESR of 30 Ω, frequency tolerance of ±30 ppm at 25°C, and frequency stability of ±50 ppm over -10°C to +70°C.</p><p>&nbsp;</p><p>This crystal comes in a compact HC-49/US package measuring 11.4 mm x 4.8 mm x 4.3 mm, designed for surface mount assembly. It operates over an industrial temperature range of -10°C to +70°C and can be stored between -40°C and +105°C. The shunt capacitance is typically 7.0 pF, and the drive level is limited to 0.5 mW.</p><p>&nbsp;</p><p>Applications include clock generation for microcontrollers, digital signal processors, and communication interfaces. The crystal is RoHS3 compliant and has an MSL of 1 (unlimited). It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel.</p>

<p>The ECS-3518-250-B-TR is a 25 MHz XO (Standard) oscillator from ECS Inc. featuring HCMOS output logic. It operates with a nominal supply voltage of 1.8V (range 1.62V to 1.98V) and provides a frequency stability of ±50 ppm over the 0°C to 70°C operating temperature range.</p><p>&nbsp;</p><p>This oscillator includes an Enable/Disable function for power management and offers typical rise and fall times of 5 ns with a 30 pF HCMOS load. The output symmetry is 40/60% at 50% VCC level. Startup time is typically 10 ms.</p><p>&nbsp;</p><p>The device is housed in a compact 4-SMD, No Lead package measuring 5.00mm x 3.20mm with a height of 1.30mm, suitable for surface mount assembly. It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel.</p><p>&nbsp;</p><p>Typical applications include clock generation for digital circuits, microcontrollers, and communication interfaces where a stable 25 MHz reference is required.</p>

<p>The ECS-270-18-4X-F is a 27 MHz fundamental mode quartz crystal from ECS Inc. It is designed for through-hole mounting in the low-profile HC-49/US package, measuring 11.35mm x 4.65mm with a height of 3.50mm. This crystal offers a load capacitance of 18 pF and a maximum equivalent series resistance (ESR) of 30 Ω, making it suitable for oscillator circuits requiring precise frequency control.</p><p>&nbsp;</p><p>Frequency stability is specified at ±50 ppm over the operating temperature range of -10°C to +70°C, with an initial frequency tolerance of ±30 ppm at 25°C. The crystal operates at a drive level of 500 μW typical and features a shunt capacitance of 7 pF typical. First-year aging is limited to ±5 ppm, ensuring long-term reliability.</p><p>&nbsp;</p><p>The HC-49USX series crystals are RoHS3 compliant and have an MSL rating of 1 (unlimited). They are commonly used in timing applications such as microcontrollers, communication devices, and consumer electronics where a stable clock source is required. The through-hole design allows for easy manual assembly and prototyping.</p>

<p>The ECS-TXO-2520-33-240-AN-TR is a temperature-compensated crystal oscillator (TCXO) from ECS Inc. It delivers a precise 24 MHz HCMOS clock output with excellent frequency stability of ±2.5 ppm over the full -40°C to +85°C temperature range.</p><p>&nbsp;</p><p>Operating from a 3.3V supply (±10%), the device consumes a maximum of 5.5 mA at 24 MHz. The output is HCMOS compatible with 15 pF load, 45/55% duty cycle, and fast 5 ns rise/fall times. Phase noise is -145 dBc/Hz at 10 kHz offset.</p><p>&nbsp;</p><p>The oscillator is housed in a miniature 2.5 x 2.0 x 0.9 mm ceramic 4-SMD package with gold termination. It features an enable/disable function with tri-state control (active low disable, Hi-Z). Designed for wireless IoT, LoRa WAN, and other applications requiring stable timing in harsh environments. RoHS3 compliant and MSL 1.</p>

<p>The ECS-200-CDX-0998 is a 20 MHz fundamental mode quartz crystal manufactured by ECS Inc. It features a frequency tolerance of ±10 ppm at +25°C and frequency stability of ±30 ppm over the full -40°C to +85°C range (though the operating temperature range extends from -60°C to +105°C). The crystal has a load capacitance of 10 pF and a maximum equivalent series resistance (ESR) of 50 Ω.</p><p>&nbsp;</p><p>Designed for surface mount assembly, this crystal is housed in the compact ECX-32 package (3.20 x 2.50 x 0.80 mm) with a 4-SMD, no lead footprint. The AT-cut strip design ensures stable frequency over temperature. It is suitable for timing applications requiring precise frequency control, such as wireless communication modules, microcontrollers, and IoT devices. The crystal is RoHS compliant and has an MSL rating of 1 (unlimited).</p>