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C158PB is listed in the Scrs range at ChipApex. The manufacturer field lists Powerex Inc.. Its product description is SCR 1200V 110A TO94. Review the specifications below when checking this part for your BOM.
Scrs specifications for C158PB
- Description：SCR 1200V 110A TO94
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：Standard Recovery
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
Scrs datasheet and documents for C158PB
Scrs Overview
The Powerex C158PB is a single-element Silicon Controlled Rectifier (SCR) designed for high-power industrial applications. It features a TO-94 package with stud mounting and supports a maximum RMS on-state current of 110A. The device offers a repetitive peak reverse voltage of 1200V and a non-repetitive peak surge current capacity of 1600A. Key electrical parameters include a gate trigger voltage of 3V, a holding current of 500mA, and a circuit commutated off-time of 30µs. Operating temperatures range from -45°C to 125°C.
Scrs Feature Summary
- Fast switching capability with a nominal circuit commutated off-time of 30 microseconds
- Robust thermal management via metal disk button or stud mount packaging
- High surge current handling with 1600A non-repetitive peak capacity
Scrs Applications
- Industrial motor drives and control systems
- AC power regulation and rectification circuits
- Resistive load control in heavy machinery
Scrs Procurement Notes
Verify the specific ordering suffix against official Powerex documentation to ensure correct pin configuration and thermal characteristics. Confirm RoHS compliance status if required by project specifications. Cross-reference datasheet revisions to validate parameter consistency. Ensure mounting hardware compatibility with the TO-94 stud interface. Request manufacturer certificates for critical reliability requirements.
Scrs Selection Notes
Select this component based on its 1200V blocking voltage and 110A continuous current rating. Evaluate thermal resistance requirements for the intended heat sink application. Consider the 30µs turn-off time for high-frequency AC applications. Compare surge current ratings against expected fault conditions. Verify gate drive compatibility with the 3V trigger voltage specification.
Scrs Part Context
This SCR belongs to Powerex's high-power thyristor family, typically used in demanding industrial environments. It shares design principles with other TO-94 packaged devices but differs in voltage and current ratings. The component is engineered for robust performance in phase control and rectification tasks where reliable switching under high stress is essential.
Scrs Replacement Considerations
Direct substitutes may include C158PC or C158PD variants within the same series. Verify that alternative part numbers match the 1200V rating and 110A current capacity. Check package dimensions and mounting hole patterns for mechanical compatibility. Ensure electrical parameters such as gate trigger values remain within acceptable tolerances.
Explore related parts through Thyristors, Discrete Semiconductor Products, all product categories, ChipApex homepage.
