ST10003B

$1.29

Description：ICL 10 OHM 20% 3A 14.6MM
Series：ST
Mfr：Littelfuse Inc.
Package：Bulk

SKU:9b6631d020f8 Category: Inrush Current Limiters (ICL) Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：ICL 10 OHM 20% 3A 14.6MM
Series：ST
Mfr：Littelfuse Inc.
Package：Bulk
R @ 25°C：10 Ohms
Tolerance：±20%
Current - Steady State Max：3:00 AM
R @ Current：200 mOhms
Diameter：0.575" (14.60mm)
Lead Spacing：0.310" (7.87mm)
Grade：-
Qualification：-
Approval Agency：-

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ST10003B

Overview

The ST10003B is a radial lead inrush current limiter manufactured by Littelfuse Inc. It restricts initial surge currents when power is first applied to circuits. The component features a resistance of 10 Ohms at 25°C with a tolerance of ±20%. It supports a maximum steady-state current of 3A and exhibits a resistance of 200 mOhms at operating current. The physical dimensions are 14.6mm (0.575 inches).

Feature Summary

Restricts initial surge currents during circuit power-up
Utilizes thermistor technology for inrush limiting
Radial lead package design

Applications

Power supply input protection
Electronic equipment surge suppression
Circuit initialization control

Procurement Notes

Verify the manufacturer part number ST10003B against official Littelfuse documentation to confirm specifications. Ensure compatibility with circuit voltage and current requirements. Check for authorized distributors to guarantee component authenticity. Review datasheet revisions for any updates to electrical characteristics or mechanical dimensions before integration.

Selection Notes

Select this component based on its 10 Ohm cold resistance and 3A steady-state current rating. Consider the 14.6mm diameter for spatial constraints. Evaluate thermal management needs due to self-heating during operation. Confirm that the ±20% tolerance aligns with system surge protection margins. Compare with alternative series if different form factors are required.

Part Context

This device belongs to the ST series of inrush current limiters from Littelfuse Inc. These components are designed for circuit protection applications where high initial charging currents must be controlled. The product line offers various resistance and current ratings to suit different power levels.

Replacement Considerations

Cross-reference with other Littelfuse ST series parts for similar electrical parameters. Verify that substitute components match the 10 Ohm resistance and 3A current capacity. Ensure mechanical fit within the existing PCB layout.

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

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.