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VS-181RKI40 is listed in the Scrs range at ChipApex. The manufacturer field lists Vishay General Semiconductor - Diodes Division. Its product description is SCR 400V 285A TO209AB. Review the specifications below when checking this part for your BOM.
Scrs specifications for VS-181RKI40
- Description：SCR 400V 285A TO209AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：2.5 V
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：600 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：3500A, 3660A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-209AB, TO-93-4, Stud
- Supplier Device Package：TO-209AB (TO-93)
- Voltage - On State (Vtm) (Max)：1.35 V
- Current - On State (It (AV)) (Max)：180 A
- Current - On State (It (RMS)) (Max)：285 A
- Current - Off State (Max)：30 mA
Scrs datasheet and documents for VS-181RKI40
Scrs Overview
The VS-181RKI40 is a standard Silicon Controlled Rectifier (SCR) manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum repetitive peak off-state voltage of 400 V and an on-state RMS current rating of 285 A. The device utilizes a TO-209AB (TO-93-4) stud mount package, designed for chassis mounting applications. It operates within a junction temperature range of -40°C to 125°C.
Scrs Feature Summary
- High current handling capability with a 285 A RMS on-state rating
- Robust 400 V blocking voltage for industrial power control
- Durable TO-209AB stud mount construction for efficient thermal management
Scrs Applications
- Industrial motor drives and control systems
- High-power AC voltage regulation circuits
- Resistive load switching applications
Scrs Procurement Notes
Verify the specific suffix against official Vishay documentation to confirm exact electrical characteristics and compliance status. Ensure that the procurement channel provides valid traceability for this active component. Confirm that the TO-209AB package dimensions match the intended chassis mounting requirements before finalizing orders.
Scrs Selection Notes
Select this component when high current capacity and robust mechanical mounting are required. The TO-209AB package facilitates direct heat sinking to a chassis, which is critical for managing thermal loads in high-power scenarios. Ensure the application voltage does not exceed the 400 V rating under all operating conditions.
Scrs Part Context
This part belongs to Vishay's standard SCR lineup, designed for general-purpose power control. The TO-209AB form factor is a legacy but widely used package style for high-current thyristors, offering reliable performance in demanding industrial environments where stud mounting is preferred over surface mount technologies.
Scrs Replacement Considerations
Consult official Vishay cross-reference guides for verified substitutes. Ensure any replacement maintains the 400 V voltage rating and comparable 285 A current handling capabilities while fitting the TO-209AB mechanical footprint.
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