AS Series Inrush Current Limiters

Vishay / Ametherm AS Series Inrush Current Limiters provide thermistor protection for precharge circuits on lithium-ion batteries. With a lower current density, faster reset time, and uniform temperature gradient throughout the disc, there are no hot spots from fatigue. The series provides inrush current protection for 250 to 1000 joules of input energy and allows between 10W to 18W in the 10A to 50A SSI range and up to 900 joules of energy. Vishay / Ametherm Inrush Current Limiters are designed to protect components from damaging levels of inrush current at startup.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Termination Style
Current Rating
Voltage Rating
Resistance
Tolerance
Diameter
Width
Lead Diameter
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Packaging
Series
Vishay / Ametherm Inrush Current Limiters 35mm 20ohms 10A INRSH CURR LIMITER
Datasheet
100In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 10 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 0.25 36 mm 8.5 mm 0.8 mm 19 mm Bulk AS35
Vishay / Ametherm Inrush Current Limiters 35mm .5ohms 50A INRSH CURR LIMITER
Datasheet
187In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 50 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 500 mOhms 0.25 36 mm 8.5 mm 0.8 mm 19 mm Bulk AS35
Vishay / Ametherm Inrush Current Limiters 32mm .5ohms 30A UL INRSH CURR LIMITER
Datasheet
24In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 30 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 500 mOhms 25 % 30 mm 7.8 mm 0.8 mm 17.1 mm Bulk AS32
Vishay / Ametherm Inrush Current Limiters 35mm 10ohms 18A INRSH CURR LIMITER
Datasheet
2In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 18 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 10 Ohms 0.25 36 mm 8.5 mm 0.8 mm 19 mm Bulk AS35
Vishay / Ametherm Inrush Current Limiters 35mm 3ohms 30A INRSH CURR LIMITER
Datasheet
17In Stock
200On Order
Min.: 1
Mult.: 1

PCB Mount Radial 30 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 3 Ohms 0.25 36 mm 8.5 mm 0.8 mm 19 mm Bulk AS35
Vishay / Ametherm Inrush Current Limiters 32mm 1ohms 36A UL INRSH CURR LIMITER
Datasheet
275Expected 4/13/2026
Min.: 1
Mult.: 1

PCB Mount Radial 36 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 1 Ohms 25 % 30 mm 7.8 mm 0.8 mm 17.1 mm Bulk AS32
Vishay / Ametherm Inrush Current Limiters 32mm .5ohms 36A UL INRSH CURR LIMITER
Datasheet
154In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 36 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 500 mOhms 25 % 30 mm 7.8 mm 0.8 mm 17.1 mm Bulk AS32