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R1446NC12D
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Product Detailed Parameters
- Description：SCR 1.2KV 2940A W11
- Series：-
- Mfr：IXYS
- Package：Box
- Voltage - Off State：1.2 kV
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：300 mA
- Current - Hold (Ih) (Max)：1:00 AM
- Current - Non Rep. Surge 50, 60Hz (Itsm)：21500A @ 50Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Clamp On
- Package / Case：TO-200AC, K-PUK
- Supplier Device Package：W11
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：1446 A
- Current - On State (It (RMS)) (Max)：2940 A
- Current - Off State (Max)：150 mA
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Overview
The R1446NC12D is a Silicon Controlled Rectifier (SCR) manufactured by IXYS. It features a single element configuration housed in a 3-pin 101A337 ceramic metal-sealed cofired package. The device supports a maximum repetitive peak off-state voltage of 1200V and an RMS on-state current of 2940A. Key electrical characteristics include a gate trigger voltage of 3V, a holding current of 1000mA, and a circuit turn-off time of 35µs. Operating temperatures range from -40°C to 125°C.
Feature Summary
- High surge current capability with a non-repetitive peak on-state current rating of 21500A
- Robust thermal stability utilizing a ceramic metal-sealed cofired disk button package
- Fast switching performance defined by a nominal circuit turn-off time of 35µs
Applications
- Industrial motor drives requiring high power handling
- Resistive load control systems
- High-voltage DC power supply circuits
Procurement Notes
Verify the specific suffix D against official IXYS documentation to confirm exact pinout and mechanical tolerances. Confirm RoHS compliance status through the manufacturer's environmental declarations. Ensure the 101A337 package dimensions match the target PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component for applications demanding high RMS current capacity within a compact disk form factor. Evaluate the 1200V blocking voltage against system transients. Consider the 35µs turn-off time when designing commutation circuits. Verify that the 3V gate trigger requirement aligns with available drive circuitry capabilities.
Part Context
This part belongs to the IXYS SCR family designed for industrial power conversion. The 101A337 package provides hermetic sealing for harsh environments. It serves as a high-current switching solution distinct from lower-rated thyristors in the same series.
Replacement Considerations
Cross-reference with other IXYS SCRs in the 1200V class sharing the 101A337 footprint. Verify equivalent RMS current ratings and turn-off times before substitution.
