S4012RTP

$2.59

Description：SCR 400V 12A TO220
Series：-

SKU:3f0c7385eb90 Category: SCRs Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：SCR 400V 12A TO220
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)：100A, 120A
SCR Type：Standard Recovery
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220 Non-Isolated Tab
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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S4012RTP

Overview

The Littelfuse S4012RTP is a silicon-controlled rectifier (SCR) from the Sxx12x series, designed for through-hole mounting in TO-220-2 packages. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 12 A. The device has a maximum gate trigger voltage of 1.5 V and a gate trigger current of 20 mA. Forward voltage is 1.6 V, with a holding current maximum of 40 mA. Leakage current at VDRM is 10 uA. Non-repetitive peak on-state current is 120 A. Operating temperature ranges from -40 C to +125 C. It carries UL compliance.

Feature Summary

Through-hole mounting configuration in a TO-220-2 package
Rated for 400 V repetitive off-state voltage
Handles 12 A RMS on-state current
UL compliant for safety standards

Applications

Industrial power control circuits
AC motor speed control systems
Lighting dimmer applications

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm package type matches TO-220-2 specifications. Ensure operating conditions stay within the -40 C to +125 C range. Validate electrical parameters like 400 V blocking voltage and 12 A current rating against circuit requirements before integration.

Selection Notes

Select this SCR when through-hole assembly is required for 12 A loads at 400 V. Compare gate sensitivity requirements against the 20 mA trigger current specification. Consider thermal management needs given the TO-220-2 package size. Verify compatibility with existing PCB layouts designed for standard through-hole thyristor footprints.

Part Context

This part belongs to the Littelfuse Sxx12x series of SCRs. It shares core electrical characteristics with other variants in the family but differs in packaging and termination style. The S4012RTP specifically denotes the tube-packaged through-hole version, distinct from surface-mount alternatives like the S4012DRP.

Replacement Considerations

S4012R is the base part number for this component. Verify pinout compatibility when substituting with equivalent SCRs from other manufacturers. Ensure replacement parts meet the same 400 V and 12 A ratings.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

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Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.