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  4. ECS Inc. — ECX-31B Ultra-Compact SMD Tuning Fork Crystal

ECS Inc. — ECX-31B Ultra-Compact SMD Tuning Fork Crystal

ECS Inc.

 

ECS Inc. ECX-31B Ultra-Compact SMD Tuning Fork Crystal

Reliable performance for compact, power-sensitive applications

ECS Inc.'s ECX-31B series is a highly cost-effective, compact surface mount 32.768 kHz tuning fork crystal designed for space-sensitive and power-conscious applications. Packaged in a 3.2 x 1.5 x 0.9 mm ceramic housing, the ECX-31B is ideal for mobile, industrial, and wireless designs.

It delivers reliable frequency control with a tolerance of ±20 ppm over a wide industrial temperature range and is recommended by STMicroelectronics for use with STM32 processors.

Features

  • Compact package size: 3.2 x 1.5 x 0.9 mm
  • Wide operating temperature range: -40°C to +85°C
  • Load capacitance options: 6 pF, 7 pF, 9 pF, 12.5 pF
  • Frequency tolerance: ±20 ppm
  • ESR: 70 kΩ

Applications

  • IoT
  • Automotive
  • Medical
  • Industrial
  • Consumer electronics

 

ECS Inc. is also known for pioneering the world’s smallest SMD 32.768 kHz tuning fork crystals in the frequency control industry. Their ECX-1210 and ECX-1210B models offer a compact 1.2 x 1.0 mm footprint in both two- and four-pad configurations—perfect for ultra-miniaturized applications like wearables, drug delivery systems, and hearing aids.

 

ECS Inc. ECX-31B