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VS-81RIA80 is listed in the Scrs range at ChipApex. The manufacturer field lists Vishay General Semiconductor - Diodes Division. Its product description is SCR 800V 125A TO209AC. Review the specifications below when checking this part for your BOM.
Scrs specifications for VS-81RIA80
- Description：SCR 800V 125A TO209AC
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：2.5 V
- Current - Gate Trigger (Igt) (Max)：120 mA
- Current - Hold (Ih) (Max)：200 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1600A, 1675A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-209AC, TO-94-4, Stud
- Supplier Device Package：TO-209AC (TO-94)
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：80 A
- Current - On State (It (RMS)) (Max)：125 A
- Current - Off State (Max)：15 mA
Scrs datasheet and documents for VS-81RIA80
Scrs Overview
The VS-81RIA80 is a silicon controlled rectifier (SCR) manufactured by Vishay General Semiconductor. It features an 800V off-state voltage rating and a 125A on-state current capability. The device utilizes the TO-94 (TO-209AC) hermetic glass-metal seal package, designed for industrial-level applications. Key electrical parameters include a gate trigger voltage and current suitable for phase control circuits. The component is RoHS compliant and lead-free, ensuring environmental safety standards are met while providing robust performance in high-power switching scenarios.
Scrs Feature Summary
- Hermetic glass-metal seal construction for enhanced reliability
- Designed specifically for industrial-level operational environments
- Complies with international standard TO-94 case dimensions
Scrs Applications
- Industrial power conversion systems
- Phase control applications requiring high voltage blocking
- High-current switching circuits in heavy machinery
Scrs Procurement Notes
Verify the specific ordering suffix to ensure compliance with required packaging and material specifications. Confirm that the procurement channel provides original manufacturer documentation to validate authenticity. Check for any specific handling requirements related to the hermetic seal integrity during storage and installation processes.
Scrs Selection Notes
Select this component when an 800V blocking capability and 125A continuous current handling are required in a hermetic package. Ensure the application environment supports the thermal characteristics of the TO-94 form factor. Validate that the gate drive circuitry can meet the trigger requirements for reliable turn-on under load conditions.
Scrs Part Context
This SCR belongs to Vishay's industrial-grade thyristor portfolio, focusing on robustness and long-term stability. The TO-94 package offers a compact yet durable solution for applications where hermetic sealing is critical to prevent moisture ingress and ensure consistent performance over extended operational lifetimes.
Scrs Replacement Considerations
The VS-80RIA80PBF is listed as obsolete. Verify if the VS-81RIA80 serves as the direct active replacement or if alternative Vishay part numbers with matching electrical ratings and package styles are available for current designs.
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