Bourns TBU-RS055-300-WH Dual-Channel High-Speed Protector

Bourns TBU-RS055-300-WH Dual-Channel Bidirectional Protectors are TBU-RS high-speed devices for use in RS-485 communication interfaces. Bourns TBU-RS055-300-WH include a 550V maximum impulse voltage and 250V maximum RMS voltage. This Transient Blocking unit overcurrent and TVS overvoltage protector is an integrated solution that aids compliance to IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (Surge) standards. TBU-RS055-300-WH takes up less than half the board space of a discrete solution.

Features

  • Dual-channel protector for RS-485 interfaces
  • Aids compliance to IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards
  • Fast protection response time (1μs)
  • RoHS compliant

Applications

  • RS-485 interface surge protection
  • Antenna Interface Standards Group (AISG) modem protection

Specifications

  • Dual bidirectional
  • 500V maximum impulse voltage
  • 250V maximum RMS voltage
  • 300mA current trigger levels
  • 1μs trigger time

Functional Block Diagram

Block Diagram - Bourns TBU-RS055-300-WH Dual-Channel High-Speed Protector
Publicado: 2020-06-05 | Actualizado: 2022-03-11