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S4012NTP
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Product Detailed Parameters
- Description：SCR 400V 12A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- 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 S4012NTP is a silicon controlled rectifier (SCR) designed for surface mount applications. It features a TO-263 package and supports junction temperatures from -40°C to 125°C. Key electrical parameters include a rated repetitive peak off-state voltage of 400V, an on-state RMS current of 12A, and a non-repetitive on-state current of 130A. The device has a forward voltage of 1.6V, a gate trigger voltage of 1.5V, and a gate trigger current of 20mA.
Feature Summary
- Engineered for high-reliability power switching in demanding electronic control environments
- Utilizes a surface mount TO-263 package for efficient PCB integration
- Capable of operating across a wide thermal range suitable for industrial conditions
Applications
- Industrial equipment power control systems
- OEM production embedded electronics
- Maintenance and repair circuits
- General purpose power switching
Procurement Notes
Verify the specific part number against official Littelfuse documentation to confirm pinout configuration and thermal characteristics. Ensure that the selected component meets the required voltage and current ratings for the intended circuit design. Cross-reference datasheet specifications with system requirements before finalizing procurement decisions.
Selection Notes
Select this component based on its 400V blocking capability and 12A RMS current handling within a TO-263 package. Consider the gate trigger requirements and thermal management needs for the application. Validate that the surface mount form factor aligns with the manufacturing process and board layout constraints.
Part Context
This SCR belongs to the standard thyristor family offered by Littelfuse. It provides robust performance for AC/DC power control tasks. The device is manufactured in China and complies with EAR99 export classification standards. It serves as a reliable solution for general-purpose switching applications requiring high current capacity.
Replacement Considerations
The S4012NRP is a confirmed substitute part number offering similar 400V and 12A specifications in a surface mount TO-263 format. Verify compatibility regarding package dimensions and electrical parameters before substitution.
