EC103D3AP

$0.29

Description：SCR 400V 800MA TO92
Series：-

SKU:5b19657356ee Category: SCRs Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：SCR 400V 800MA TO92
Series：-
Mfr：Littelfuse Inc.
Package：Tape & Box (TB)
Voltage - Off State：400 V
Voltage - Gate Trigger (Vgt) (Max)：800 mV
Current - Gate Trigger (Igt) (Max)：500 µA
Current - Hold (Ih) (Max)：8 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)：16A, 20A
SCR Type：Sensitive Gate
Operating Temperature：-40°C ~ 110°C
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92
Voltage - On State (Vtm) (Max)：1.7 V
Current - On State (It (AV)) (Max)：510 mA
Current - On State (It (RMS)) (Max)：800 mA
Current - Off State (Max)：1 µA

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EC103D3AP

Overview

The Littelfuse EC103D3AP is a Silicon Controlled Rectifier (SCR) belonging to the EC103xx series, designed for phase control applications. It features a sensitive gate structure requiring a maximum DC gate trigger current of 12 µA and a gate trigger voltage of 800 mV. The device supports a rated repetitive off-state voltage of 400 V with an RMS on-state current of 800 mA. Packaged in a TO-92 through-hole configuration, it operates within a temperature range of -40°C to +110°C.

Feature Summary

Sensitive gate architecture enabling reliable triggering with microampere-level currents from sense coils or proximity switches.
Robust unidirectional switching capability suitable for heating and motor speed control circuits.

Applications

Phase control systems for resistive heating elements
Motor speed control circuits
Lighting dimmer applications

Procurement Notes

Verify the specific suffix 'AP' against official Littelfuse documentation to confirm if it denotes a specific tape-and-reel packaging variant or environmental compliance status distinct from standard bulk units. Confirm RoHS and REACH SVHC declarations directly via the manufacturer datasheet before procurement.

Selection Notes

Select this component when a low-gate-current SCR is required for precise phase control. Ensure the circuit design accommodates the 400 V blocking voltage and 800 mA RMS current rating. Verify that the TO-92 package thermal characteristics meet the system's heat dissipation requirements at the intended operating temperature.

Part Context

This part belongs to the EC103xx family of sensitive gate SCRs manufactured by Littelfuse. These devices are engineered as cost-effective solutions for general-purpose phase control, offering high reliability in compact packages compared to larger industrial thyristors.

Replacement Considerations

Cross-reference with EC103D175 for identical electrical ratings in the same series. Check Teccor Electronics equivalents such as the Q103D3 series for potential pin-compatible substitutions if sourcing constraints exist.

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

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

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.