ST30003B
Littelfuse Inc.

Littelfuse Inc.
ICL 30 OHM 20% 3A 17.78MM
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The ST30003B from Littelfuse Inc. is a high-performance Inrush Current Limiter (ICL) designed to protect sensitive circuits from damaging surge currents. As a key component in the Circuit Protection category, this ICL ensures smooth power-up operations by gradually increasing the current flow. Featuring a robust NTC thermistor design, it offers reliable performance in a wide range of temperatures. Ideal for power supplies, motor controls, and LED lighting systems, the ST30003B is commonly used in industrial automation, renewable energy systems, and consumer electronics to prevent component failures during startup.
Specifications
- Product Status: Active
- R @ 25°C: 30 Ohms
- Tolerance: ±20%
- Current - Steady State Max: 3 A
- R @ Current: 460 mOhms
- Diameter: 0.700" (17.78mm)
- Lead Spacing: 0.300" (7.62mm)
- Approval Agency: -