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MSTC25-08
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Product Detailed Parameters
- Description：MOD THYRISTOR DIODE 25A SF1
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Structure：Series Connection - All SCRs
- Number of SCRs, Diodes：2 SCRs
- Voltage - Off State：800 V
- Current - On State (It (AV)) (Max)：25 A
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：550A @ 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)：200 mA
- Grade：-
- Qualification：-
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Overview
The MSTC25-08 is a thyristor diode module manufactured by Microsemi Corporation, designed for high-power control and switching applications. It features a series connection of two Silicon Controlled Rectifiers (SCRs) within a single package. The device supports an off-state voltage of 800 V and handles an RMS current of 39.25 A. It utilizes a T1 structure with seven pins for mounting and connectivity. This component is classified under Thyristors - SCRs - Modules and is currently marked as obsolete in distributor catalogs.
Feature Summary
- Robust power control and switching capabilities for industrial applications
- Series connection configuration of two SCRs for enhanced performance
- Seven-pin T1 structure for secure mounting and electrical connectivity
Applications
- High-power industrial control systems
- Electronic power switching circuits
- Industrial motor drive applications
Procurement Notes
Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing circuit designs due to potential supply chain changes. Check for alternative replacement modules from the manufacturer if new production is required. Validate technical specifications against original datasheets to ensure functional equivalence.
Selection Notes
Select this module for applications requiring robust SCR-based power control. Consider the 800 V off-state voltage and 39.25 A RMS current ratings for load matching. Evaluate the seven-pin T1 structure for mechanical integration. Review thermal management requirements given the power handling capabilities. Assess the obsolete status impact on long-term project viability.
Part Context
This component belongs to the thyristor diode module category from Microsemi Corporation. It is part of a family of devices designed for high-power electronic applications. The MSTC25-08 specifically integrates two SCRs in series to handle significant electrical loads. It serves as a critical element in industrial power conversion and control systems where reliable switching is essential.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The product status is listed as obsolete. Engineers should consult official Microchip/Microsemi resources for current equivalent recommendations or next-generation replacements suitable for high-power SCR applications.
