LD431250 - Powerex Inc.

Manufacturer Part Number

LD431250

Manufacturer

Powerex

Introduction

Powerex LD431250 is a silicon controlled rectifier (SCR) module designed for high-power control and switching applications.

Product Features and Performance

Series Connection - All SCRs

Two SCRs in a single module

High surge current capabilities of 16300A (50Hz) and 17000A (60Hz)

Robust operating temperature range from -40°C to 130°C

Product Advantages

High current handling of 500A average and 900A RMS

Able to block voltages up to 1.2kV off-state

Compact POW-R-BLOK™ module for efficient use of space

Easy to mount with chassis mount configuration

Key Technical Parameters

Voltage - Off State: 1.2kV

Current - On State (It(AV)) (Max): 500A

Current - On State (It(RMS)) (Max): 900A

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

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

Operating Temperature Range: -40°C ~ 130°C (TJ)

Quality and Safety Features

Built to handle high surge current and demanding operating temperatures

Series connection enhances device reliability

Durable construction suitable for industrial applications

Compatibility

Chassis mount configuration for compatibility with a broad range of applications and systems

Application Areas

AC/DC motor control

Voltage regulation

Heating controls

Industrial inverters

Power supplies

Product Lifecycle

Obsolete

Replacements or upgrades may be available from Powerex or through secondary market suppliers

Key Reasons to Choose This Product

Delivers high-current performance for demanding applications

Strong surge current protection ideal for industrial settings

Durable design with an extended operating temperature range

Part of Powerex's reputable series of SCR modules

Supports critical applications where reliable high-voltage switching is essential