SYMMETRICAL TRANSIENT VOLTAGE SUPPRESSORS
TISP4082LP SYMMETRICAL TRANSIENT VOLTAGE SUPPRESSORS
Copyright © 1997, Power Innovations Limited, UK MAY 1996 - REVISED ...
Description
TISP4082LP SYMMETRICAL TRANSIENT VOLTAGE SUPPRESSORS
Copyright © 1997, Power Innovations Limited, UK MAY 1996 - REVISED SEPTEMBER 1997
TELECOMMUNICATION SYSTEM SECONDARY PROTECTION
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Ion-Implanted Breakdown Region Precise and Stable Voltage Low Voltage Overshoot under Surge
DEVICE ‘4082LP V(Z) V 58 V(BO) V 82
LP PACKAGE (TOP VIEW)
A(T) NC B(R)
1 2 3
NC - No internal connection
MDTRAB
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Planar Passivated Junctions Low Off-State Current < 10 µA Rated for International Surge Wave Shapes
WAVE SHAPE 10/700 µs STANDARD CCITT IX K17 ITSP A 25
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LP PACKAGE WITH FORMED LEADS (TOP VIEW)
A(T) NC B(R)
1 2 3
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Package Options
PACKAGE LP LP with fomed leads PACKING Bulk Tape and Reel PART # SUFFIX None R
NC - No internal connection
MD4XAF
device symbol
description
The TISP4082LP is designed specifically for telephone equipment protection against lightning and transients induced by a.c. power lines. These devices consist of a bidirectional suppressor element connecting the A and B terminals. They will suppress inter-wire voltage transients. Transients are initially clipped by zener action until the voltage rises to the breakover level, which causes the device to crowbar. The high crowbar holding current prevents d.c. latchup as the transient subsides. These monolithic protection devices are fabricated in ion-implanted planar structures to ensure precise and matched breakover control and are virtually transparent to the system in normal operation.
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