ECS Inc.

<p>The ECS-2520MVLC-250-BN-TR is a low current CMOS crystal oscillator (XO) from ECS Inc.'s 2520MVLC series. It operates at a nominal frequency of 25 MHz with a frequency stability of ±50 ppm over the full -40°C to +85°C temperature range. The device supports a wide supply voltage range of 1.6V to 3.6V, making it compatible with 1.8V, 2.5V, and 3.3V power rails.</p><p>&nbsp;</p><p>Key electrical characteristics include a maximum supply current of 2.2 mA at 3.3V with no load, a maximum rise/fall time of 7 ns, and a typical phase jitter of 150 fS (12 kHz to 20 MHz). The oscillator features an enable/disable function on pin 1 (tri-state) and provides a CMOS output with a 15 pF load. The duty cycle is specified at 45/55% at half Vdd.</p><p>&nbsp;</p><p>The device is housed in a compact 2.5 mm x 2.0 mm x 0.8 mm 4-SMD, no lead ceramic package, suitable for space-constrained designs. It is supplied on tape and reel with a standard quantity of 1000 pieces per reel. The part is RoHS3 compliant and has an MSL rating of Level 1 (unlimited).</p>

<p>The ECS-250-12-33Q-JES-TR is a 25 MHz quartz crystal from ECS Inc., part of the ECX-33Q series. It is designed for surface mount applications requiring a compact 3.2x2.5mm footprint with a low profile of 0.80mm. The crystal operates in fundamental mode and is specified with a load capacitance of 12pF.</p><p>&nbsp;</p><p>Key electrical characteristics include a frequency tolerance of ±20 ppm at +25°C and a maximum ESR of 40 Ω. The frequency stability is ±100 ppm over the extended temperature range of -55°C to +125°C (DU option). The device also features a shunt capacitance of 7pF typical and a maximum drive level of 100 µW. First-year aging is limited to ±5 ppm.</p><p>&nbsp;</p><p>The ECX-33Q series is AEC-Q200 qualified, making it suitable for automotive electronics and other harsh environments. The operating temperature range is -40°C to +125°C, with storage from -55°C to +125°C. The package is a 4-SMD, No Lead configuration, with tape and reel packaging available (standard 1000 pieces per reel). The part number suffix JES indicates ±20 ppm tolerance and special options.</p>

<p>The ECS-80-8-33Q-JES-TR is a 8 MHz quartz crystal operating in fundamental mode. It features a load capacitance of 8 pF, maximum equivalent series resistance of 500 Ohms, frequency tolerance of ±20 ppm at +25°C, and frequency stability of ±50 ppm over the full operating temperature range of -40°C to +125°C. This crystal is AEC-Q200 qualified, making it suitable for automotive and high-reliability applications. It is packaged in a 4-SMD, no lead package with dimensions 3.2mm x 2.5mm x 0.8mm, and is RoHS3 compliant. The drive level is 100 µW typical, and shunt capacitance is 7 pF typical. The part is supplied in tape and reel packaging with 1000 pieces per reel.</p>

<p>The ECS-200-12-33Q-JES-TR is a 20MHz fundamental mode crystal from ECS Inc., part of the ECX-33Q series. It features a 12pF load capacitance, ±20ppm frequency tolerance at 25°C, and ±50ppm stability over -40°C to 125°C. Maximum ESR is 60Ω, drive level is 100μW, and typical shunt capacitance is 7pF.</p><p>&nbsp;</p><p>This crystal is AEC-Q200 qualified, making it suitable for automotive and high-reliability applications. It is RoHS3 compliant, REACH unaffected, and has an MSL rating of 1 (unlimited). The component is housed in a surface-mount 4-SMD package measuring 3.2mm x 2.5mm with a height of 0.8mm.</p><p>&nbsp;</p><p>Designed for use in timing circuits, the crystal offers stable frequency generation across a wide temperature range. Its compact footprint and low profile enable integration into space-constrained designs. Operating temperature range is -40°C to 125°C, with storage from -55°C to 125°C. Aging is ±5ppm first year at 25°C.</p>

<p>The ECS-.327-12.5-12-C-TR is a 32.768 kHz tuning fork crystal from ECS Inc., part of the ECX-12 series. It has a nominal frequency of 32.768 kHz with a load capacitance of 12.5 pF and a frequency tolerance of ±10 ppm at +25°C. The equivalent series resistance is 90 kΩ maximum, and the drive level range is 0.1 μW to 0.5 μW. The crystal operates over a temperature range of -40°C to +85°C and can be stored from -55°C to +125°C.</p><p>&nbsp;</p><p>The crystal is housed in a compact 2.0 x 1.2 x 0.6 mm 2-SMD, No Lead ceramic package, suitable for surface mount assembly. It is designed for fundamental mode operation and is ideal for low-power real-time clock applications, including STM32 AN2867 reference designs. The component is RoHS3 compliant with a peak solder temperature of 260°C (max 10 seconds, 2 cycles) and MSL Level 1.</p><p>&nbsp;</p><p>Typical electrical parameters include a motional capacitance of 7.0 fF, shunt capacitance of 1.3 pF, turnover temperature between +20°C and +30°C, and a temperature coefficient of -0.04 to -0.02 ppm/°C². Aging is ±3 ppm in the first year at +25°C. The standard packaging is tape and reel with 3,000 pieces per reel.</p>

<p>The ECS-.327-7-34B-TR is a surface mount tuning fork crystal from ECS Inc.'s ECX-31B series. It operates at a frequency of 32.768 kHz with a load capacitance of 7 pF and an equivalent series resistance of 70 kΩ. The crystal has a frequency tolerance of ±20 ppm and a temperature coefficient ranging from -0.040 to -0.028 ppm/°C², ensuring stable operation over the -40°C to +85°C temperature range.</p><p>&nbsp;</p><p>Designed for low-power timekeeping applications, this crystal operates in fundamental mode and requires a drive level between 0.1 μW and 1.0 μW. It features a shunt capacitance of 1.05 pF and an insulation resistance of 500 MΩ minimum. The first-year aging is limited to ±3 ppm, and the storage temperature range extends from -55°C to +125°C.</p><p>&nbsp;</p><p>The crystal is housed in a compact 3.2 mm x 1.5 mm x 0.9 mm 2-SMD no-lead ceramic package, suitable for high-density PCB designs. It is supplied on tape and reel with a standard quantity of 3000 pieces per reel. The lead finish is gold (Au) and the component is rated MSL 1 (unlimited) for moisture sensitivity.</p><p>&nbsp;</p><p>This component is RoHS compliant and is commonly used in real-time clock (RTC) circuits, such as those found in microcontroller applications like STM32 reference designs. Its low power consumption and small footprint make it ideal for battery-powered portable devices.</p>

<p>The ECS-2520MV-480-BN-TR is a surface-mount crystal oscillator (XO) from the ECS-2520MV series, generating a nominal 48 MHz output with HCMOS logic levels. Designed with MultiVolt technology, it accepts a supply voltage from 1.6V to 3.6V, making it compatible with 1.8V, 2.5V, and 3.3V power rails.</p><p>&nbsp;</p><p>Frequency stability is ±50 ppm maximum over the full operating temperature range of -40°C to +85°C, inclusive of initial tolerance, temperature, supply voltage, load change, reflow shift, and aging. The oscillator provides a CMOS-compatible output with typical rise/fall times of 7 ns and a duty cycle of 45/55% at half Vdd. Phase jitter is 1 ps typical (12 kHz to 5 MHz) for low-noise timing applications.</p><p>&nbsp;</p><p>Housed in a compact 2.5 x 2.0 x 0.8 mm ceramic 4-SMD no-lead package, the device is suitable for space-constrained designs. It features a tri-state enable/disable function on pin 1, with a fast start-up time of 5 ms. Maximum supply current at 3.3V and 48 MHz is 8 mA, with a low standby current of 10 µA when disabled.</p><p>&nbsp;</p><p>Typical applications include LoRaWAN, low-power portable devices, industrial controls, and IoT wireless modules. The part is RoHS compliant and rated MSL 1 (unlimited floor life).</p>

<p>The ECS-320-8-37CKM is a 32.0000 MHz quartz crystal from ECS Inc., part of the ECX-1637 series. It is designed for surface mount applications in a compact 4-SMD, no lead package measuring 2.00 mm x 1.60 mm x 0.55 mm.</p><p>&nbsp;</p><p>This crystal operates in fundamental mode with a frequency tolerance of ±10 ppm at +25°C and frequency stability of ±10 ppm over the -20°C to +70°C temperature range. It requires an 8 pF load capacitance and has a maximum equivalent series resistance (ESR) of 60 Ω. The drive level is limited to 100 µW, and the shunt capacitance is typically 5 pF.</p><p>&nbsp;</p><p>The ECX-1637 series is suitable for wireless, cellular, and high-density applications such as LoRa WAN. The part is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited).</p>

<p>The ECS-73-20-5PXDN-TR is a 7.3728 MHz quartz crystal from ECS Inc. designed for surface mount applications. It features a fundamental mode of oscillation with a maximum equivalent series resistance (ESR) of 60 Ω at this frequency. The frequency tolerance is ±30 ppm at +25°C, and frequency stability is ±100 ppm over the full operating temperature range of -40°C to +85°C. This part uses a 20 pF load capacitance, typical of many digital ICs, making it suitable for microcontroller clock generation and timing circuits. Packaged in the HC-49/US industry-standard footprint, the crystal measures 11.40 mm x 4.80 mm with a low profile height of 4.30 mm. The component is supplied in tape and reel packaging (1000 pieces per reel) and is RoHS3 compliant. The storage temperature range is -55°C to +125°C, and the aging rate is ±5 ppm per year. This crystal is a reliable choice for applications requiring precise timing over a wide temperature range.</p>

<p>The ECS-.327-12.5-12-TR is a 32.768 kHz tuning fork crystal designed for low-power real-time clock (RTC) applications. It offers a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm at +25°C. The crystal requires a 12.5 pF load capacitance and exhibits a maximum equivalent series resistance (ESR) of 90 kΩ. Operating from -40°C to +85°C, it provides stable performance over a wide temperature range. The device is housed in a compact 2.00mm x 1.20mm x 0.60mm 2-SMD ceramic package with gold termination, suitable for surface mount assembly. It is supplied on tape and reel in quantities of 3000 pieces per reel. The ECX-12 series is RoHS3 compliant and has an MSL rating of 1 (unlimited). Typical applications include IoT devices, industrial controls, automotive electronics, and battery-powered systems.</p>

<p>The ECS-2520SMV-100-FP-TR is a miniature surface mount crystal oscillator (XO) from ECS Inc.'s 2520SMV MultiVolt family. It delivers a 10 MHz HCMOS output with enable/disable function.</p><p>&nbsp;</p><p>Key electrical specifications include frequency stability of ±10 ppm across the extended industrial temperature range of -40°C to +105°C. The device operates from a supply voltage of 1.62V to 3.63V, making it compatible with 1.8V, 2.5V, and 3.3V power rails. Typical supply current is 10 mA with a maximum of 10 mA under no load.</p><p>&nbsp;</p><p>The oscillator is housed in a compact 2.50 mm x 2.00 mm x 0.90 mm 4-SMD ceramic package with no leads. It is rated for surface mount assembly and supplied on tape and reel in quantities of 1000. Typical rise/fall time is 3 ns and startup time is 10 ms.</p>

<p>The ECS-384-8.5-36-CKY-TR is a 38.4 MHz fundamental mode crystal from ECS Inc., part of the ECX-2236 series. It features a load capacitance of 8.5pF and a maximum ESR of 40 Ω. The frequency tolerance is ±10ppm at 25°C, and frequency stability is ±10ppm over -20°C to +70°C. The operating temperature range is -30°C to +85°C, and storage temperature is -55°C to +125°C.</p><p>&nbsp;</p><p>This crystal is packaged in a miniature 4-SMD no-lead package measuring 2.5mm x 2.0mm x 0.6mm, ideal for space-constrained designs. It is RoHS3 compliant and REACH unaffected, with MSL Level 1 (unlimited). The datasheet indicates suitability for Bluetooth, LoRa WAN, and wireless applications.</p><p>&nbsp;</p><p>Designed for surface-mount assembly, the part is available in tape and reel packaging with a standard quantity of 1000 pieces per reel. The drive level is limited to 100 μW, and shunt capacitance is typically 5 pF. The aging rate is ±5 ppm per year at 25°C.</p>

<p>The ECS-.327-12.5-34B-TR is a low-profile SMD tuning fork crystal from ECS Inc.'s ECX-31B series. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm at +25°C. The crystal requires a load capacitance of 12.5 pF and has a maximum equivalent series resistance of 70 kΩ.</p><p>&nbsp;</p><p>Designed for surface mount applications, this crystal is housed in a compact 2-SMD, No Lead ceramic package measuring 3.2 x 1.5 x 0.9 mm. It operates over an industrial temperature range of -40°C to +85°C and is RoHS compliant with MSL Level 1. The drive level range is 0.1 μW to 1.0 μW, making it suitable for low-power real-time clock circuits.</p><p>&nbsp;</p><p>The crystal features gold termination finish and is supplied in tape and reel packaging with a standard quantity of 3,000 pieces. It is commonly used in RTC applications such as STM32 microcontrollers, offering reliable timekeeping with aging of ±3 ppm in the first year.</p>

<p>The ECS-50-S-4 is a 5 MHz fundamental mode quartz crystal from ECS Inc. It is designed for through-hole mounting in the low-profile HC-49/US package.</p><p>&nbsp;</p><p>This crystal features 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. It operates in fundamental mode with a maximum ESR of 120 Ω. The load capacitance is series resonance. Shunt capacitance is 7.0 pF and drive level is 0.5 mW maximum.</p><p>&nbsp;</p><p>The HC-49/US package measures 11.35 mm x 4.65 mm with a height of 3.50 mm. It is suitable for general-purpose timing applications requiring a stable 5 MHz reference. The crystal is RoHS3 compliant and has an MSL rating of 1 (unlimited).</p>

<p>The ECS-2520MV-160-DN-TR is a surface-mount crystal oscillator (XO) built on a crystal base resonator. It delivers a nominal 16 MHz output with HCMOS logic and is designed for a wide supply voltage range of 1.6V to 3.6V, making it compatible with 1.8V, 2.5V, and 3.3V systems. Frequency stability is rated at ±20ppm maximum over the full -40°C to +85°C operating temperature range.</p><p>&nbsp;</p><p>Electrical characteristics include a maximum current consumption of 6mA, a standby current of only 10 µA, and a start-up time of 5 ms. The output features a 15 pF load, rise and fall times of 7 ns, and a duty cycle of 45/55%. Phase jitter is typically 1 ps (12 kHz to 5 MHz).</p><p>&nbsp;</p><p>Packaged in a compact 2.50mm x 2.00mm x 0.90mm 4-SMD no-lead ceramic package, it supports surface mount assembly and is supplied on tape and reel with 3000 units per reel. An enable/disable (tri-state) function is provided on pin 1.</p>

<p>The ECS-120-20-3X-TR is a 12 MHz fundamental mode quartz crystal from ECS Inc.'s CSM-3X series. It offers 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 is designed for a load capacitance of 20 pF and features a maximum equivalent series resistance (ESR) of 60 Ω.</p><p>&nbsp;</p><p>This surface mount device is housed in a miniature low-profile HC-49/US package measuring 7.00 mm x 4.10 mm x 2.30 mm. It is supplied on tape and reel with a standard quantity of 3000 pieces per reel. The crystal is RoHS compliant and lead-free, with an MSL rating of 1 (unlimited).</p><p>&nbsp;</p><p>Typical applications include timing circuits in consumer electronics, industrial controls, and communication equipment where a stable and reliable clock source is required. The CSM-3X series reduces footprint by 50% compared to the CSM-7X (HC-49USX SMD) package.</p>

<p>The ECS-122.8-12-33Q-JES-TR is a 12.288 MHz fundamental mode crystal from ECS Inc., part of the ECX-33Q series. It features a load capacitance of 12 pF, a maximum ESR of 100 Ω, and a frequency tolerance of ±20 ppm at +25°C. The frequency stability is ±50 ppm over the operating temperature range of -40°C to +125°C.</p><p>&nbsp;</p><p>This crystal is housed in a compact 3.2 mm x 2.5 mm x 0.8 mm 4-SMD package with no leads, suitable for surface mount assembly. It is RoHS3 compliant and AEC-Q200 qualified, making it suitable for automotive and other high-reliability applications.</p><p>&nbsp;</p><p>The part is available in tape and reel packaging with 1000 pieces per reel. It operates at a maximum drive level of 100 µW and has a typical shunt capacitance of 7 pF.</p>

<p>The ECS-80-18-5PXDN-TR is a 8 MHz fundamental mode quartz crystal from the CSM-7XDN series by ECS Inc. It is designed for surface mount applications and comes in a compact HC-49/US package measuring 11.40 mm x 4.80 mm with a low profile height of 4.30 mm.</p><p>&nbsp;</p><p>This crystal features a load capacitance of 18 pF, equivalent series resistance (ESR) of 60 Ω, and a drive level of 500 μW. Frequency tolerance is ±30 ppm at 25°C, and frequency stability is ±100 ppm over the operating temperature range of -40°C to 85°C. It is RoHS3 compliant and REACH unaffected, with an MSL rating of 1.</p><p>&nbsp;</p><p>Ideal for use in timing circuits, microcontrollers, and communication systems where precise frequency control is required, this crystal offers reliable performance across industrial temperature ranges. The tape and reel packaging (1,000 pieces per reel) facilitates automated assembly.</p>

<p>The ECS-120-18-33Q-DS is a 12.0000 MHz quartz crystal from ECS Inc., part of the ECX-33Q series. It operates in fundamental mode with a maximum equivalent series resistance (ESR) of 100 Ω. The crystal is designed for a load capacitance of 18 pF and offers a frequency tolerance of ±30 ppm at +25°C.</p><p>&nbsp;</p><p>This crystal is AEC-Q200 qualified, making it suitable for automotive and other harsh environment applications. It features a frequency stability of ±100 ppm over the extended temperature range of -55°C to +125°C (DU option). The device is RoHS compliant and has a moisture sensitivity level (MSL) of 1.</p><p>&nbsp;</p><p>Housed in a compact 4-SMD, no lead package measuring 3.20 mm x 2.50 mm with a low profile height of 0.80 mm, the ECS-120-18-33Q-DS is ideal for space-constrained designs. Its surface-mount construction supports automated assembly processes.</p>

<p>The ECS-240-20-5PX-TR is a 24 MHz surface mount quartz crystal from ECS Inc. It features a fundamental operating mode with a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±50 ppm over the standard temperature range of -10°C to +70°C. The load capacitance is specified at 20 pF, and the maximum equivalent series resistance (ESR) is 30 Ω.</p><p>&nbsp;</p><p>This crystal is designed for reliable timing applications and is housed in a compact HC-49/US metal package with a maximum height of 4.30 mm. It is available in tape and reel packaging with a standard quantity of 1000 pieces per reel, suitable for automated assembly processes.</p><p>&nbsp;</p><p>The component is RoHS3 compliant and REACH unaffected, with a moisture sensitivity level (MSL) of 1 (unlimited). It is lead-free and suitable for lead-free soldering processes. The device operates within a temperature range of -10°C to +70°C and can be stored at temperatures between -55°C and +125°C.</p>

<p>The ECS-250-20-33-CKM-TR is a 25 MHz fundamental mode quartz crystal from ECS Inc., part of the ECX-32 series. It is designed for surface mount applications in a compact 3.2mm x 2.5mm ceramic package with a maximum seated height of 0.8mm.</p><p>&nbsp;</p><p>Key electrical specifications include a load capacitance of 20pF, frequency tolerance of ±10ppm at +25°C, and frequency stability of ±10ppm over the operating temperature range of -20°C to +70°C. The maximum equivalent series resistance (ESR) is 40Ω, and the drive level is 100μW maximum. Aging is ±5ppm in the first year.</p><p>&nbsp;</p><p>This crystal is suitable for use in wireless communication, LoRa WAN, and other high-density applications requiring a low-profile, reliable frequency reference. The 4-SMD, no lead package is RoHS compliant and supports standard reflow soldering processes. Supplied in tape and reel packaging with 1000 pieces per reel.</p>

<p>The ECS-2520MV-250-BN-TR is a surface-mount XO (Standard) crystal oscillator from ECS Inc. It generates a 25 MHz HCMOS output with a frequency stability of ±50 ppm over the full -40°C to +85°C temperature range. The device operates from a wide supply voltage range of 1.6V to 3.6V, making it compatible with 1.8V, 2.5V, or 3.3V power supplies. Key electrical characteristics include a maximum current consumption of 7 mA, a typical phase jitter of 1 ps (12 kHz to 5 MHz), and a duty cycle of 45/55%. The oscillator features an enable/disable function (tri-state on pin 1) for power management. The part is housed in a compact 2.5 x 2.0 x 0.9 mm 4-SMD, no lead ceramic package, suitable for space-constrained designs. It is designed for applications such as LoRa WAN, low-power portable devices, industrial equipment, and IoT systems. The ECS-2520MV-250-BN-TR is RoHS compliant and REACH unaffected, with an MSL rating of 1 (unlimited). It is supplied in tape and reel packaging with a standard quantity of 3000 units.</p>