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ST10003B

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ST10003B

ST10003B

$1.29
  • Description：ICL 10 OHM 20% 3A 14.6MM
  • Series：ST
  • Mfr：Littelfuse Inc.
  • Package：Bulk

SKU:9b6631d020f8 Category: Brand:

　　
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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

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.

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Buying Guide
Summary

Littelfuse Inc. ST10003B is used in Inrush Current Limiters (ICL) category where integration and verification need to stay predictable. Key specs include Description (ICL 10 OHM 20% 3A 14.6MM), Series (ST), and Packaging (Bulk).

Selection Notes
  • For ST10003B, verify Current - Steady State Max (3:00 AM) matches your requirements and the datasheet test conditions.
  • Confirm the tolerance (±20%) is acceptable for your accuracy and drift budget.
  • Verify R @ Current (200 mOhms) and compare it against your reference design limits.
  • Double-check R @ 25°C (10 Ohms) against your specification and operating conditions.
Alternates & Substitutions
  • In Inrush Current Limiters (ICL), confirm that alternates preserve startup states and fault behavior so system behavior does not change quietly.
  • Start with mechanical equivalence and keep packaging Bulk aligned so the alternate is footprint-safe.
  • For production substitutions, confirm traceability and documentation expectations so the alternate can be released cleanly.
  • Always compare the datasheet test conditions behind key specs (load, frequency, temperature) to avoid swapping in a part that was characterized differently.
FAQ

Who is the manufacturer of ST10003B?
Littelfuse Inc.

How do I confirm compatibility for ST10003B?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.

Which R @ Current is listed for ST10003B?
200 mOhms

Which Diameter is listed for ST10003B?
0.575" (14.60mm)

Application Scenarios

Littelfuse Inc. ST10003B is a common choice in Inrush Current Limiters (ICL) applications where the goal is to keep validation repeatable and avoid edge-case surprises during bring-up. They protect circuits and users from overloads, surges, ESD, and overheating events that cause downtime and safety risk. They limit damage during overloads, surges, and ESD so faults do not cascade into expensive downstream failures. In industrial I/O, coordinated surge protection defends long wiring against lightning-induced spikes and switching noise. In field service, predictable inrush behavior simplifies troubleshooting by making startup current profiles repeatable across units. In AC-DC and DC bus systems, inrush limiting protects rectifiers, fuses, and connectors when charging bulk capacitors at power-up or hot-plug.

Compatibility Advice
  • In practice, validate surge waveforms and repetition against the real wiring environment so degradation does not become a silent field failure mode before release to production.
  • For compatibility, verify placement and airflow so resistance and trip behavior remain stable after heat soak. This keeps integration from depending on typical-only conditions.
Project Fit
  • Usually not a good fit when integrating Littelfuse Inc. ST10003B for Inrush Current Limiters (ICL), wiring and service conditions vary widely, increasing the chance of unsafe states, because validation would rely on assumptions that cannot be re-tested later.
ST10003BST10003B
$1.29
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