LD422043 - Powerex Inc.

Manufacturer Part Number

LD422043

Manufacturer

Powerex

Introduction

The Powerex LD422043 is a high power semiconductor device that combines a silicon-controlled rectifier (SCR) and diode in a series configuration within a module.

Product Features and Performance

Series configuration of one SCR and one Diode

High voltage handling capability up to 2 kV (off-state)

High on-state current of 430 A average and 800 A RMS

Gate trigger voltage and current of 3 V and 200 mA respectively

Exceptional surge current capability with 14000A (50Hz) and 16000A (60Hz)

Operating temperature range from -40°C to 125°C

Chassis mount for secure installation

POW-R-BLOK™ Module for reliable high power applications

Product Advantages

Integrated SCR and diode design simplifies circuit configuration

Robust surge current ratings enhance reliability under stress conditions

Wide operating temperature range ensures performance in harsh environments

Strong off-state voltage rating provides good insulation and voltage standoff capability

Key Technical Parameters

Voltage Off State: 2 kV

Current On State (It (AV)) (Max): 430 A

Current On State (It (RMS)) (Max): 800 A

Voltage Gate Trigger (Vgt) (Max): 3 V

Current Gate Trigger (Igt) (Max): 200 mA

Current Non Rep. Surge 50, 60Hz (Itsm): 14000A, 16000A

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Complies with relevant industry standards for power modules

Encapsulated design provides environmental protection and enhances safety

Compatibility

Suitable for applications that require series connection of SCR and diode

Requires chassis mounting for optimal thermal management

Application Areas

Industrial motor controls

Power supplies

Solid-state switches

Power conversion systems

Product Lifecycle

Discontinued at Digi-Key

Potential need to seek alternative sources or find replacement models

Several Key Reasons to Choose This Product

Powerex's reputation for high-quality power semiconductor devices

High current and voltage specifications for demanding applications

Reliability in extreme temperature conditions

Surge current capabilities provide resilience to power spikes

Designed for complex industrial systems requiring robust power components