MSTC40-12

Description：MOD THYRISTOR DIODE 40A SF1
Series：-

SKU:cc2fb2fc741a Category: SCRs - Modules Brand: Microsemi Corporation

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Product introduction

Product Detailed Parameters

Description：MOD THYRISTOR DIODE 40A SF1
Series：-
Mfr：Microsemi Corporation
Package：Bulk
Structure：Series Connection - All SCRs
Number of SCRs, Diodes：2 SCRs
Voltage - Off State：1.2 kV
Current - On State (It (AV)) (Max)：40 A
Current - On State (It (RMS)) (Max)：-
Current - Non Rep. Surge 50, 60Hz (Itsm)：1000A @ 50Hz
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Chassis Mount
Package / Case：Module
Voltage - Gate Trigger (Vgt) (Max)：2.5 V
Current - Gate Trigger (Igt) (Max)：150 mA
Current - Hold (Ih) (Max)：250 mA
Grade：-
Qualification：-

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MSTC40-12

Overview

The MSTC40-12 is a silicon-controlled rectifier (SCR) module manufactured by Microsemi Corporation. It is classified as an obsolete component and is no longer in active production. The device is designed for high-power applications requiring robust thyristor control. As a module, it integrates the semiconductor die into a standardized package suitable for industrial mounting. Specific electrical ratings such as forward current or blocking voltage are not provided in the available public documentation, but the part is identified within the SCRs - Modules category.

Feature Summary

High-reliability thyristor construction
Module format for industrial integration

Applications

Industrial power control systems
Motor drive circuits
Power conversion equipment

Procurement Notes

This component is officially marked as obsolete and discontinued by the manufacturer. Sourcing new units directly from authorized channels is not possible. Buyers must verify the authenticity of any available stock through rigorous supply chain audits. Counterfeit risks are elevated for discontinued parts; therefore, only components with verified traceability and original packaging should be considered for critical deployments.

Selection Notes

Due to the obsolete status of the MSTC40-12, direct replacement is not feasible through standard ordering processes. Designers should evaluate equivalent SCR modules currently in production that match the required current and voltage specifications. Compatibility checks for pinout, thermal characteristics, and mechanical dimensions are essential when transitioning to alternative components to ensure system integrity.

Part Context

Microsemi Corporation, now part of Microchip Technology Inc., specializes in high-performance semiconductors. The MSTC40-12 belongs to the company's historical portfolio of power control devices. This specific model represents a legacy solution in the thyristor module segment, previously utilized in applications demanding reliable switching capabilities before its discontinuation.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users must consult official Microchip/Microsemi catalogs for modern equivalents or perform independent engineering validation to identify compatible replacements.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.