SJ4020L2ATP

$1.25

Description：HT SCR 400V 20A TO220L AECQ
Series：SJ

SKU:163ea437b1e1 Category: SCRs Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：HT SCR 400V 20A TO220L AECQ
Series：SJ
Mfr：Littelfuse Inc.
Package：Tube
Voltage - Off State：600 V
Voltage - Gate Trigger (Vgt) (Max)：1.5 V
Current - Gate Trigger (Igt) (Max)：10 mA
Current - Hold (Ih) (Max)：35 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)：225A, 300A
SCR Type：Standard Recovery
Operating Temperature：-40°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Package / Case：TO-220-3 Full Pack, Isolated Tab
Supplier Device Package：ITO-220AB
Voltage - On State (Vtm) (Max)：1.6 V
Current - On State (It (AV)) (Max)：12.8 A
Current - On State (It (RMS)) (Max)：20 A
Current - Off State (Max)：10 µA

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SJ4020L2ATP

Overview

The Littelfuse SJ4020L2ATP is a Silicon Controlled Rectifier (SCR) from the SJxx20xx series, designed for high-temperature operation. It features a rated repetitive off-state voltage (VDRM) of 400 V and an on-state RMS current (It RMS) of 20 A. The device operates within a temperature range of -40°C to +150°C and utilizes a TO-220-2 through-hole package. Key electrical parameters include a forward voltage (Vf) of 1.6 V, gate trigger voltage (Vgt) of 1.5 V, and gate trigger current (Igt) of 10 mA. It holds AEC-Q101 qualification and exhibits a maximum holding current (Ih) of 35 mA with a non-repetitive on-state current capacity of 300 A.

Feature Summary

AEC-Q101 qualified for automotive reliability standards
High junction temperature capability up to 150°C
Through-hole mounting in a TO-220-2 package

Applications

Automotive power control circuits
Industrial AC motor drives
Solid-state relays

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm lot traceability and ensure storage conditions comply with moisture sensitivity levels. Validate that the received parts match the exact suffix designation to guarantee correct gate trigger characteristics and thermal performance ratings.

Selection Notes

Select this SCR when a 400 V blocking voltage and 20 A continuous current are required in a through-hole configuration. The 10 mA gate trigger current distinguishes it from lower-gate-sensitivity variants. Ensure the application environment supports the specified operating temperature range and that the TO-220-2 package fits the mechanical constraints of the design.

Part Context

This component belongs to the Littelfuse SJxx20xx series of thyristors. It shares core electrical ratings with similar models like the SJ4020L1TP but differs in specific gate trigger parameters. The series is engineered for robust performance in demanding power switching applications requiring high thermal stability.

Replacement Considerations

The SJ4020L1TP is a related variant within the same series. Designers must verify if the different gate trigger current (6 mA vs 10 mA) and holding current (15 mA vs 35 mA) are compatible with the existing drive circuitry before substitution.

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

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

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.