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
Select Image Part #
 Mfr.
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 12mm 150ohms 2A INRSH CURR LIMITER
Datasheet
1.158In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 2 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 150 Ohms 0.25 13.5 mm 8.7 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 20ohms 8A INRSH CURR LIMITER
Datasheet
347In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 8 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 0.25 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 1ohms 36A INRSH CURR LIMITER
Datasheet
1.267In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 36 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 1 Ohms 0.25 31 mm 7 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 50ohms 4A INRSH CURR LIMITER
Datasheet
288In Stock
1.800Expected 3/16/2026
Min.: 1
Mult.: 1

PCB Mount Radial 4 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 50 Ohms 0.25 23 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 5ohms 20A KINK INRSH CURR LIMITER
Datasheet
219In Stock
Min.: 1
Mult.: 1

PCB Mount Radial - Kinked Lead 20 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 5 Ohms 25 % 31 mm 7 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 220ohms 3A INRSH CURR LIMITER
Datasheet
965In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 3.5 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 220 Ohms 0.25 23 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm .5ohms 40A INRSH CURR LIMITER
Datasheet
884In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 40 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 32mm 10ohms 15A INRSH CURR LIMITER
Datasheet
1.826In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 15 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 10 Ohms 0.25 31 mm 9.3 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 2ohms 25A INRSH CURR LIMITER
Datasheet
1.034In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 25 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 2 Ohms 0.25 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 35mm 10ohms 18A INRSH CURR LIMITER
Datasheet
1.282In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 18 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 10 Ohms 0.25 37 mm 11 mm 2.5 mm 19 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 35mm 2ohms 35A INRSH CURR LIMITER
Datasheet
739In Stock
871Expected 4/20/2026
Min.: 1
Mult.: 1

PCB Mount Radial 35 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 2 Ohms 0.25 37 mm 6.5 mm 9.5 mm 19 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 15mm 30ohms 4A INRSH CURR LIMITER
Datasheet
175In Stock
300Expected 4/30/2026
Min.: 1
Mult.: 1

PCB Mount Radial 4.2 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 30 Ohms 0.25 17 mm 8 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 10ohms 8A INRSH CURR LIMITER
Datasheet
394In Stock
4.675On Order
Min.: 1
Mult.: 1

PCB Mount Radial 8 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 10 Ohms 0.25 23 mm 9.5 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 120ohms 2A INRSH CURR LIMITER
Datasheet
91In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 2 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 120 Ohms 0.25 23 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 120ohms 3A INRSH CURR LIMITER
Datasheet
298In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 3 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 120 Ohms 0.25 23 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 120ohms 4A INRSH CURR LIMITER
Datasheet
309In Stock
400Expected 4/14/2026
Min.: 1
Mult.: 1

PCB Mount Radial 4 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 120 Ohms 0.25 23 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 30ohms 5A INRSH CURR LIMITER
Datasheet
10In Stock
500Expected 3/11/2026
Min.: 1
Mult.: 1

PCB Mount Radial 5 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 30 Ohms 0.2 23 mm 9 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 22mm 75ohms 4A INRSH CURR LIMITER
Datasheet
28In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 4 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 75 Ohms 0.25 23 mm 9 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 15ohms 12A INRSH CURR LIMITER
Datasheet
82In Stock
200Expected 3/31/2026
Min.: 1
Mult.: 1

PCB Mount Radial 12 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 15 Ohms 0.25 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 20ohms 10A INRSH CURR LIMITER
Datasheet
168In Stock
1.700Expected 5/4/2026
Min.: 1
Mult.: 1

PCB Mount Radial 10 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 0.25 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 20ohm 10A KINK INRSH CURR LIMITER
Datasheet
29In Stock
200Expected 4/20/2026
Min.: 1
Mult.: 1

PCB Mount Radial - Kinked Lead 10 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 20 Ohms 25 % 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 50ohm 6A 16AWG INRSH CURR LIMITER
Datasheet
102In Stock
250Expected 3/2/2026
Min.: 1
Mult.: 1

PCB Mount Radial 6 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 50 Ohms 25 % 31 mm 7 mm 1.2 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 5ohms 20A INRSH CURR LIMITER
Datasheet
70In Stock
325Expected 3/11/2026
Min.: 1
Mult.: 1

PCB Mount Radial 20 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 5 Ohms 0.25 31 mm 7 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 7ohms 15A INRSH CURR LIMITER
Datasheet
139In Stock
Min.: 1
Mult.: 1

PCB Mount Radial 15 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 7 Ohms 0.2 31 mm 10 mm 1 mm 7.8 mm Bulk MS
Vishay / Ametherm Inrush Current Limiters 35mm .5ohms 50A INRSH CURR LIMITER
Datasheet
16In Stock
100Expected 4/6/2026
Min.: 1
Mult.: 1

PCB Mount Radial 50 A 120 VAC, 240 VAC, 480 VAC, 680 VAC 500 mOhms 0.25 37 mm 9 mm 2.5 mm 19 mm Bulk MS35