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SCT1275CS
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Product Detailed Parameters
- Description：SCR 1.2KV 75A TO247S
- Series：-
- Mfr：SMC Diode Solutions
- Package：Tube
- Voltage - Off State：1.2 kV
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Gate Trigger (Igt) (Max)：70 mA
- Current - Hold (Ih) (Max)：120 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：800A @ 50Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-247-3
- Supplier Device Package：TO-247S
- Voltage - On State (Vtm) (Max)：1.5 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：75 A
- Current - Off State (Max)：50 µA
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Overview
The SCT1275CS is a silicon avalanche rectifier manufactured by SMC Diode Solutions. It features a peak repetitive reverse voltage of 1200 V and a continuous forward current rating of 1.0 A. The device incorporates an epoxy case that meets UL flammability classification 94V-0. Electrical characteristics include a maximum average forward rectified current of 1.0 A at 130°C, a non-repetitive peak forward surge current of 30 A for a half-sine wave lasting 8.3 ms, and a maximum RMS isolation voltage of 4000 Vrms. The component is designed for high reliability in power conversion applications.
Feature Summary
- Utilizes silicon avalanche technology to withstand transient energy events without catastrophic failure.
- Encapsulated in an epoxy case rated UL 94V-0 for enhanced fire safety and environmental protection.
- Engineered with a robust junction structure to support high-voltage blocking capabilities.
Applications
- High-frequency switching power supplies
- Inductive load switching circuits
- Free-wheeling diodes in DC-DC converters
Procurement Notes
Verify the specific suffix against manufacturer documentation to confirm exact electrical tolerances and marking codes. Ensure the procurement channel provides valid traceability records. Confirm compliance with RoHS directives if required by the end application. Cross-reference the datasheet revision date to ensure alignment with current manufacturing specifications.
Selection Notes
Select this component when circuit design requires a 1200 V reverse voltage rating combined with a 1.0 A continuous current capacity. Consider the thermal management requirements associated with the specified power dissipation limits. Evaluate the package dimensions to ensure compatibility with the intended PCB layout or heatsinking infrastructure.
Part Context
This part belongs to the general category of discrete semiconductor diodes, specifically fast recovery or standard rectifiers within the SMC Diode Solutions portfolio. It serves as a fundamental passive-active hybrid component used for current direction control and voltage blocking in electronic assemblies.
Replacement Considerations
Consult official substitution guides from SMC Diode Solutions for verified equivalents. Verify that any alternative device matches the 1200 V reverse voltage and 1.0 A forward current ratings precisely. Ensure physical footprint compatibility if direct pin-to-pin replacement is necessary.
