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S4012NRP
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Product Detailed Parameters
- Description：SCR 400V 12A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：20 mA
- Current - Hold (Ih) (Max)：40 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：120A, 130A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263 (D2PAK)
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：7.6 A
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse S4012NRP is a Silicon Controlled Rectifier (SCR) from the Teccor Sxx12x series, designed for high-current switching applications. It features a rated repetitive off-state voltage of 400 V and an RMS on-state current capacity of 12 A. The device operates within a junction temperature range of -40°C to +125°C and utilizes a TO-263-2 (D2PAK-2) surface-mount package. Key electrical characteristics include a maximum gate trigger current of 20 mA, a forward voltage drop of 1.6 V, and a non-repetitive peak on-state current of 120 A.
Feature Summary
- High surge current capability with a 120 A non-repetitive peak rating
- Surface-mount construction in a D2PAK-2 package for automated assembly
- Low gate sensitivity requiring a maximum trigger current of 20 mA
Applications
- AC power control circuits
- Solid-state relays
- Motor speed control systems
Procurement Notes
Verify component authenticity through authorized Littelfuse distributors or certified supply chain partners. Confirm RoHS compliance status and specific manufacturing lot dates upon receipt. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering processes.
Selection Notes
Select this part when a 12 A RMS current rating and 400 V blocking voltage are required in a surface-mount form factor. Compare against the S4012RTP for through-hole alternatives if PCB layout constraints differ. Verify thermal management requirements align with the D2PAK-2 package's heat dissipation capabilities.
Part Context
This component belongs to the Littelfuse Teccor Sxx12x family of thyristors. These devices are engineered for general-purpose power control tasks. The S4012NRP specifically adapts the standard 12 A performance profile into a leadless surface-mount configuration suitable for modern PCB designs.
Replacement Considerations
The S4012RTP is a documented alias for this component type. Evaluate equivalent SCRs from other manufacturers only if they match the 12 A RMS, 400 V, and TO-263-2 specifications exactly.
