The SM712 is a TVS diode array designed for multi-point data transmission standard applications such as RS-485. It is designed to protect electronic equipment from damage caused by electrostatic discharge (ESD), electrical fast transients (EFT) and lightning induced surges.

Main Features

  • High surge capability: SM712 has a peak pulse power handling capability of 400 watts (tp=8/20μs), and can safely dissipate 17A of 8/20μs waveform surge current at a very low clamping voltage (compliant with IEC 61000-4-5 standard).
  • ESD protection: According to IEC 61000-4-2 standard, SM712 can withstand ±25kV contact discharge and air discharge, providing excellent ESD protection.
  • Fast response: Fast reaction speed (nanosecond level), can quickly suppress transient voltage and protect sensitive electronic components.
  • Packaging and compatibility: Adopt a small SOT-23 package to save circuit board space and comply with RoHS and Reach environmental standards.

Applications

  • RS-485 transceiver protection: In RS-485 applications with extended common mode range, SM712 provides reliable line protection against transient voltage damage.
  • Security systems: Used to protect security monitoring equipment to ensure its stable operation in complex electromagnetic environments.
  • Automated teller machines (ATMs): Protect the communication interface of ATM machines to prevent failures caused by electrostatic discharge.
  • HFC systems and network equipment: Provide efficient circuit protection in hybrid fiber coaxial cable systems and other network equipment.

Product Line

Semiware has a comprehensive product lineup of circuit protection device products.For more details, please visit the website:https://en.semiware.com/tvs-array/sm712/

SM712 electrostatic suppressor has become an important protection component in modern electronic design with its excellent ESD protection performance, compact size and reliability. Reasonable application of SM712 can significantly improve the anti-interference ability and reliability of electronic equipment, reduce the failure rate caused by electrostatic discharge, and extend the service life of the product.

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