BT149G SCR DATASHEET

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BT149G ELECTRICAL SPECIFICATIONS

PARAMETER SYMBOL VALUES UNITS
Type SCR

BT149G Replacements

SYMBOL VALUES UNITS
Type
PGM > W
VDRM > V
IT(AVR) > A
IT(RMS) > A
ITSM > A
dI/dt > A/µs
dV/dt > V/µs
Tstg, Tj > °C
RTH(j-a) < K/W
RTH(j-c) < K/W
VGT < V
VTM < V
IGT < mA
IH < mA
Package

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BT149G Datasheet. Page #1

BT149G
 datasheet

Page #2

BT149G
 datasheet #2

Description

BT149G SCR 13 March 2014 Product data sheet 1. General description Planar passivated Silicon Controlled Rectifier with sensitive gate in a SOT54 (TO-92) plastic package. This SCR is designed to be interfaced directly to microcontrollers, logic ICs and other low power gate trigger circuits. 2. Features and benefits • Enhanced voltage capability • Planar passivated for voltage ruggedness and reliability • Sensitive gate • Direct triggering from low power drivers and logic ICs