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2N681A is listed in the Scrs range at ChipApex. The manufacturer field lists Central Semiconductor Corp. Its product description is SCR 25V 25A TO48. Review the specifications below when checking this part for your BOM.
Scrs specifications for 2N681A
- Description：SCR 25V 25A TO48
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Voltage - Off State：25 V
- Voltage - Gate Trigger (Vgt) (Max)：2 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：200A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-65°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-208AA, TO-48-3, Stud
- Supplier Device Package：TO-48
- Voltage - On State (Vtm) (Max)：2 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：25 A
- Current - Off State (Max)：13 mA
Scrs datasheet and documents for 2N681A
Scrs Overview
The Central Semiconductor Corp 2N681A is a Silicon Controlled Rectifier (SCR) designed for phase control applications. It features a maximum RMS on-state current of 25 A and supports voltage ratings ranging from 25 V to 800 V. The device utilizes a TO-48 metal can package with stud mounting, providing robust thermal dissipation capabilities suitable for high-power industrial environments.
Scrs Feature Summary
- Designed specifically for phase control applications
- High current handling capability up to 25 A RMS
- Versatile voltage rating options from 25 V to 800 V
- Robust metal can construction for thermal management
Scrs Applications
- Phase control circuits
- Industrial power regulation systems
- High-current switching applications
Scrs Procurement Notes
Verify the specific voltage sub-rating required for the application, as the 2N681A series covers a wide range from 25 V to 800 V. Confirm the manufacturer's current production status and lead times directly with Central Semiconductor Corp or authorized distributors, as legacy SCR availability may vary based on demand.
Scrs Selection Notes
Select the appropriate voltage variant within the 2N681A series that matches the peak reverse voltage of the circuit. Ensure the thermal design accommodates the heat dissipation requirements of a 25 A RMS device in a TO-48 package. Verify gate trigger characteristics against the driving circuit specifications.
Scrs Part Context
Central Semiconductor Corp specializes in producing legacy and end-of-life semiconductor devices, including SCRs like the 2N681A. This component serves as a replacement for discontinued parts from other manufacturers, supporting industries that require reliable, long-term supply of established power electronics components without necessitating costly redesigns.
Scrs Replacement Considerations
Consult Central Semiconductor's official cross-reference documentation to identify direct equivalents for discontinued SCRs. Verify pinout compatibility and thermal resistance values when substituting into existing designs.
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