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LS431650
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Product Detailed Parameters
- Description：SCR MOD ISO SGL 1600V 500A
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Structure：Single
- Number of SCRs, Diodes：1 SCR
- Voltage - Off State：1.6 kV
- Current - On State (It (AV)) (Max)：575 A
- Current - On State (It (RMS)) (Max)：900 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：16300A, 17000A
- Operating Temperature：-40°C ~ 130°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：POW-R-BLOK™ Module
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：200 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The Powerex LS431650 is a Single SCR Isolated POW-R-BLOK module rated for up to 1600 Volts and 500 Amperes. It features an electrically isolated heatsink with an aluminum nitride insulator and metal baseplate, allowing direct mounting on common heatsinks without additional insulation components. The device supports repetitive peak forward and reverse blocking voltages up to 1600 V, with a maximum average forward current of 500 A at 86°C case temperature. It includes quick connect gate terminals compatible with keyed mating plugs and offers low thermal impedance for improved current capability.
Feature Summary
- Electrically isolated heatsinking design eliminates the need for additional insulation components
- Aluminum nitride insulator and compression bonded elements ensure structural integrity
- Quick connect gate terminal provides provision for keyed mating plug installation
Applications
- Bridge Circuits
- AC & DC Motor Drives
- Battery Supplies
- Power Supplies
- Large IGBT Circuit Front Ends
Procurement Notes
Verify the complete eight-digit part number against manufacturer documentation before ordering. Confirm that the specific voltage and current ratings match the application requirements. Ensure compliance with UL recognition standards if required by the system design. Check mounting torque specifications for M6 and M10 screws during installation planning.
Selection Notes
Select this module for applications requiring phase control and isolated packaging. Consider the thermal resistance from junction to case when designing heatsink systems. Evaluate the non-repetitive peak blocking voltage and surge current capabilities against circuit fault conditions. Verify gate trigger current and voltage parameters align with the driving circuitry specifications.
Part Context
This component belongs to the LS43__50 series of Single SCR Isolated POW-R-BLOK modules manufactured by Powerex, Inc. The series covers various voltage ratings while maintaining a consistent 500 Ampere current rating. These modules are designed for rectification and phase control applications requiring robust isolation and high power density.
Replacement Considerations
Consult official Powerex documentation for verified substitute part numbers within the LS43 series or equivalent isolated SCR modules. Ensure any replacement matches the electrical ratings, package dimensions, and isolation voltage requirements.
