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T627121574DN
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Product Detailed Parameters
- Description：SCR 1.2KV 235A T62
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Voltage - Off State：1.2 kV
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：3500A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Stud Mount
- Package / Case：DO-200AA, A-PUK
- Supplier Device Package：T62
- Voltage - On State (Vtm) (Max)：2.35 V
- Current - On State (It (AV)) (Max)：150 A
- Current - On State (It (RMS)) (Max)：235 A
- Current - Off State (Max)：25 mA
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Overview
The Powerex T627121574DN is a standard recovery silicon controlled rectifier (SCR) designed for high-power industrial applications. It features a peak off-state voltage of 1.2 kV and an RMS on-state current rating of 235 A. The device supports a non-repetitive surge current of 1200 A at 60 Hz. Key electrical parameters include a maximum gate trigger voltage of 3 V, a maximum gate trigger current of 150 mA, and a maximum on-state voltage of 3.5 V. It operates within a junction temperature range of -40°C to 125°C and utilizes a stud mount configuration in a TO-209AC package.
Feature Summary
- High current handling capability with 235 A RMS on-state rating
- Robust surge protection supporting 1200 A non-repetitive current
- Standard recovery characteristics suitable for general power control
- Wide operating temperature range from -40°C to 125°C
Applications
- Industrial motor drives and speed controls
- High-power DC-to-DC converters
- Resistive load switching systems
- Welding equipment power stages
Procurement Notes
Verify the specific suffix 'DN' against official Powerex documentation to confirm fast-switching variants or lead-free compliance status. Ensure mounting hardware matches the TO-209AC stud dimensions. Confirm thermal interface material compatibility for chassis mounting requirements. Validate that the 1.2 kV blocking voltage meets system transient overvoltage specifications. Check for RoHS3 compliance if environmental regulations apply.
Selection Notes
Select this component when high RMS current capacity is required alongside moderate switching speeds. The 1.2 kV rating provides sufficient margin for standard industrial AC line voltages. Consider the 3.5 V on-state voltage drop for thermal management calculations. The stud mount design facilitates direct heat sinking to large chassis structures. Evaluate gate drive requirements against the 3 V and 150 mA maximum limits.
Part Context
This SCR belongs to Powerex's T62 series, which focuses on high-current thyristor solutions for demanding power electronics environments. The series emphasizes reliability in continuous conduction modes. The TO-209AC package is a legacy form factor adapted for modern high-power assemblies. This specific model represents a balance between current density and voltage blocking capability.
Replacement Considerations
Cross-reference with T627121584DN for potential pin-compatible alternatives within the same series. Verify electrical parameter equivalence before substitution. Ensure mechanical mounting hole patterns match exactly. Confirm thermal resistance values are comparable for heatsink design continuity.
