MegaSurge™ Inrush Current Limiters

Vishay / Ametherm MegaSurge™ Inrush Current Limiters are the economical and space-saving solution to limit high inrush current. MegaSurge’s rugged design and high temperature construction allow safe operation at high continuous currents. The Megasure™ Inrush Current Limiters can withstand up to 50 amperes of steady-state current and 75 to 900 joules of input energy. Applications include plasma cutting tools, motor drives, MRI machines, audio amplifiers, toroidal transformers, and battery chargers.

Results: 34
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Description Datasheet Availability Pricing (RON) 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
Lead Spacing
Packaging
Series
Vishay / Ametherm Inrush Current Limiters 22mm 20ohms 5A INRSH CURR LIMITER
Datasheet
900On Order
Min.: 1
Mult.: 1

PCB Mount Radial 5 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 0.25 23 mm 8 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 50ohms 6A INRSH CURR LIMITER
Datasheet
250Expected 3/10/2026
Min.: 1
Mult.: 1

PCB Mount Radial 6 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 50 Ohms 0.25 30 mm 7 mm 1.2 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 35mm 1ohms 40A INRSH CURR LIMITER
Datasheet
166Expected 4/28/2026
Min.: 1
Mult.: 1

PCB Mount Radial 40 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 1 Ohms 0.25 37 mm 11 mm 2.5 mm 19 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 35mm 20ohms 10A INRSH CURR LIMITER
Datasheet
601Expected 2/6/2026
Min.: 1
Mult.: 1

PCB Mount Radial 10 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 0.25 37 mm 11 mm 2.5 mm 19 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 35mm 3ohms 30A INRSH CURR LIMITER
Datasheet
238On Order
Min.: 1
Mult.: 1

PCB Mount Radial 30 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 3 Ohms 0.25 37 mm 10 mm 2.5 mm 19 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 15mm 40ohms 4A INRSH CURR LIMITER
Datasheet
90Expected 2/18/2026
Min.: 1
Mult.: 1

PCB Mount Radial 4.1 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 40 Ohms 0.25 17 mm 8 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 10ohms 8A KINK INRSH CURR LIMITER
Datasheet
Lead-Time 12 Weeks
Min.: 1
Mult.: 1

PCB Mount Radial - Kinked Lead 8 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 10 Ohms 25 % 23 mm 9.5 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm .5ohms 36A INRSH CURR LIMITER
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 200
Mult.: 25

PCB Mount Radial 36 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 500 mOhms 0.25 31 mm 7 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters ICL 3R7 25% 25A 37MM
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

25 A 37 mm Bulk MS35