Product Summary

The 61089H is a programmable overvoltage protector. The 61089H is a dual forward-conducting buffered p-gate thyristor (SCR) overvoltage protector. The 61089H is designed to protect monolithic SLICs (Subscriber Line Interface Circuits) against overvoltages on the telephone line caused by lightning, a.c. power contact and induction. The 61089H limits voltages that exceed the SLIC supply rail voltage. The 61089H parameters are specified to allow equipment compliance with Telcordia GR-1089-CORE, Issue 3 and ITU-T recommendations K.20, K.21 and K.45.

Parametrics

61089H absolute maximum ratings: (1) Repetitive peak off-state voltage, VGK = 0 : -170V; (2) Repetitive peak gate-cathode voltage, VKA = -167V; (3) Non-repetitive peak impulse current 10/1000 μs (Telcordia GR-1089-CORE, Issue 3) : 100 A; (4) Junction temperature : -40 to +150℃.

Features

61089H features: (1)Dual, Voltage-Programmable SLIC Protector; (2)Low 15 mA max. Gate Triggering Current; (3)Supports Battery Voltages Down to -155 V; (4)High 150 mA min. Holding Current..

Diagrams

61089H block diagram

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