LD420850 - Powerex Inc.

Manufacturer Part Number

LD420850

Manufacturer

powerex

Introduction

LD420850, a high power SCR/Diode module designed for high-efficiency power control applications

Product Features and Performance

Series Connection - SCR/Diode structure

One SCR and one Diode in the module

High surge current capabilities

Able to handle 500 A current on-state average max

Peak surge currents of 16300A (50Hz), 17000A (60Hz)

Low gate trigger voltage of 3 V

Gate trigger current max of 200 mA

Suitable for high-temperature operations with a range of -40°C ~ 130°C

Product Advantages

High current handling capability

Excellent surge current protection

Efficient for high-temperature performance

Rugged POW-R-BLOK™ Module package for secure chassis mounting

Key Technical Parameters

Voltage - Off State: 800 V

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

Current - On State (It (RMS)) (Max): 785 A

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

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

Quality and Safety Features

Robust POW-R-BLOK™ Module design for enhanced reliability

Compatibility

Chassis mount configuration compatible with various industrial setups

Application Areas

High power industrial applications

Motor controls

Power supplies

Lighting controls

Product Lifecycle

Obsolete status

Potential need to seek replacements or consider upgrades

Several Key Reasons to Choose This Product

Excellent performance in high current and high-temperature conditions

Suitable for robust industrial applications with severe power demands

The reliable series connection SCR/Diode design provides circuit protection

Low gate triggering current enhances the controllability for efficient operations

Supports a wide operating temperature range, ensuring stability across various environments