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R1446NC12C
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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 R1446NC12C is a Silicon Controlled Rectifier (SCR) manufactured by IXYS. It features a single element configuration housed in a 3-pin package with the designation 101A337. The device supports a maximum repetitive peak reverse voltage of 1200V and a maximum direct current gate trigger current of 300mA. It operates within a temperature range of -40°C to 125°C. Key electrical characteristics include a nominal circuit commutating turn-off time of 35µs, a critical rate of rise of off-state voltage of 200V/µs, and a maximum holding current of 1000mA.
Feature Summary
- High-voltage capability with 1200V blocking rating
- Robust thermal operation up to 125°C
- Defined gate triggering parameters for reliable control
Applications
- Industrial power control systems
- High-voltage rectification circuits
- Motor drive applications
Procurement Notes
Verify component authenticity through authorized IXYS distributors or certified suppliers. Confirm datasheet revisions match specific manufacturing batches. Ensure storage conditions comply with semiconductor handling standards to prevent moisture damage prior to soldering.
Selection Notes
Evaluate thermal management requirements against the 125°C maximum junction temperature limit. Verify that the load current does not exceed the rated RMS values under all operating conditions. Ensure the gate drive circuit provides sufficient current to reliably trigger the SCR without exceeding the maximum DC gate trigger current specification.
Part Context
This component belongs to the IXYS SCR product line designed for high-power industrial applications. It utilizes silicon technology for robust performance in demanding environments. The 101A337 package style facilitates mounting on heat sinks for effective thermal dissipation during continuous operation.
Replacement Considerations
Cross-reference with other IXYS SCRs featuring similar 1200V ratings and compatible pinout configurations. Verify that alternative components meet or exceed the required 35µs turn-off time and 200V/µs dv/dt specifications for direct replacement.
FAQ
What is the maximum repetitive peak reverse voltage?
The maximum repetitive peak reverse voltage is 1200V.
What is the nominal circuit commutating turn-off time?
The nominal circuit commutating turn-off time is 35µs.
What is the maximum DC gate trigger current?
The maximum DC gate trigger current is 300mA.
