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TISP83121D

BOURNS
Part Number TISP83121D
Manufacturer BOURNS
Description Unidirectional P & N-Gate Protector
Published Sep 29, 2016
Detailed Description *RoHS COMPLIANT TISP83121D DUAL-GATE UNIDIRECTIONAL OVERVOLTAGE PROTECTOR TISP83121D Unidirectional P & N-Gate Protect...
Datasheet PDF File TISP83121D PDF File

TISP83121D
TISP83121D

Overview
*RoHS COMPLIANT TISP83121D DUAL-GATE UNIDIRECTIONAL OVERVOLTAGE PROTECTOR TISP83121D Unidirectional P & N-Gate Protector Overvoltage Protection for Dual-Voltage Ringing SLICs – Programmable Protection Configurations up to ±100 V – Typically 5 Lines Protected by: Two TISP83121D + Diode Steering Networks High Surge Current – 150 A, 10/1000 µs – 250 A, 10/700 µs – 500 A, 8/20 µs Pin Compatible with the LCP3121 – 50 % more surge current – Functional Replacement in Diode Steering Applications Small Outline Surface Mount Package Description The TISP83121D is a dual-gate reverse-blocking unidirectional thyristor designed for the protection of dual-voltage ringing SLICs (Subscriber Line Interface Circuits) against overvoltages on the telephone line caused by lightning, a.
c.
power contact and induction.
8-SOIC Package (Top View) K1 G1 2 8K 7A G2 3 K4 6A 5K MD6XAYB For operation at the rated current values connect pins 1, 4, 5 and 8 together.
Device Symbol A G2 The device chip is a four-layer NPNP silicon thyristor structure which has an electrode connection to every layer.
For negative overvoltage protection the TISP83121D is used in a common anode configuration with the voltage to be limited applied to the cathode (K) terminal and the negative reference potential applied to the gate 1 (G1) terminal.
For positive overvoltage protection the TISP83121D is used in a common cathode configuration with the voltage to be limited applied to the anode (A) terminal and the positive reference potential applied to the gate 2 (G2) terminal.
G1 K SD6XAKA .
.
UL Recognized Component The TISP83121D is a unidirectional protector and to prevent reverse bias, requires the use of a series diode between the protected line conductor and the protector.
Further, the gate reference supply voltage requires an appropriately poled series diode to prevent the supply from being shorted when the TISP83121D crowbars.
Under low level power cross c...


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