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Home » NEWEST Products » New by Manufacturer » Bourns » Bourns TBU™-PL Series
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Bourns TBU™-PL Series SLIC High Speed Protectors

The First ECL Triggered by Excessive Voltage or Current

Bourns TBU™-PL Series SLIC High Speed Protectors protect telecommunications applications from surges in the industry's first electronic current limiter (ECL) triggered by excessive voltage or current. The new Bourns TBU-PL Series Subscriber Line Interface Circuit (SLIC) provides extremely fast overcurrent protection combined with SLIC battery voltage tracking triggered protection. Bourns TBU-PL High Speed Protectors respond in 100 nanoseconds, protecting sensitive telecom applications from the potentially damaging effects of surges that can cause current and voltage to rise above normal operating levels. The Bourns TBU-PL Series combines with additional overvoltage protectors to protect against very high surge levels and meets telecom 500A Telcordia GR-1089 intrabuilding and 6kV / 150A ITU-T standards. The TBU-PL is part of the Bourns TBU (Transient Blocking Unit) Series of protection devices.






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Features
  • Superior circuit protection
  • Overcurrent & overvoltage protection
  • Blocks surges
  • High speed performance
  • Small SMT package


Applications
  • SLIC protection
  • Cable & DSL
  • MDU/MTU modems
  • ONT
  • Voice/DSL line cards
PL Product Characteristics
Part Number
Description
Max. Impulse Voltage
Max. RMS Voltage
Trigger Current Levels
Footprint (mm)
TBU-PL050-xxx-WH
Dual Bidirectional 50 Ohm Line
500V
300V
100mA, 200mA
6.5x4.0
TBU-PL060-xxx-WH
Dual Bidirectional 50 Ohm Line
600V
350V
100mA, 200mA
6.5x4.0
TBU-PL085-xxx-WH
Dual Bidirectional 50 Ohm Line
850V
425V
100mA, 200mA
6.5x4.0

Block Diagram





  • Bourns
  • Circuit Protection