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 (CLP) 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 30ohms 5A INRSH CURR LIMITER UL Approved
Datasheet
465In Stock
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 220ohms 3A INRSH CURR LIMITER UL Approved
Datasheet
924In 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 ICL 3R7 25% 25A 37MM
Datasheet
40In Stock
Min.: 1
Mult.: 1

25 A 37 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 15mm 30ohms 4A INRSH CURR LIMITER UL Approved
Datasheet
932In Stock
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 15mm 40ohms 4A INRSH CURR LIMITER UL Approved
Datasheet
1.059In Stock
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 20ohms 5A INRSH CURR LIMITER UL Approved
Datasheet
609In Stock
1.000Expected 7/30/2026
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 22mm 50ohms 4A INRSH CURR LIMITER UL Approved
Datasheet
944In Stock
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 40A INRSH CURR LIMITER
Datasheet
745In 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 UL Approved
Datasheet
1.184In Stock
2.150Expected 10/2/2026
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 35mm .5ohms 50A INRSH CURR LIMITER
Datasheet
206In Stock
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
Vishay / Ametherm Inrush Current Limiters 35mm 10ohms 18A INRSH CURR LIMITER
Datasheet
154In Stock
1.100On Order
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 1ohms 40A INRSH CURR LIMITER
Datasheet
398In Stock
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
209In Stock
250Expected 10/5/2026
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 2ohms 35A INRSH CURR LIMITER
Datasheet
787In Stock
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 35mm 3ohms 30A INRSH CURR LIMITER
Datasheet
115In Stock
225Expected 8/17/2026
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 22mm 120ohms 2A INRSH CURR LIMITER UL Approved
Datasheet
57In 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 UL Approved
Datasheet
273In 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 75ohms 4A INRSH CURR LIMITER UL Approved
Datasheet
29In Stock
200Expected 7/28/2026
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 UL Approved
Datasheet
158In Stock
200Expected 9/24/2026
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 8A INRSH CURR LIMITER UL Approved
Datasheet
65In Stock
150Expected 7/29/2026
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 20ohm 10A KINK INRSH CURR LIMITER
Datasheet
184In Stock
Min.: 1
Mult.: 1

Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 50ohms 6A INRSH CURR LIMITER
Datasheet
28In Stock
200Expected 9/14/2026
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 32mm 50ohm 6A 16AWG INRSH CURR LIMITER UL Approved
Datasheet
2In Stock
200Expected 8/6/2026
Min.: 1
Mult.: 1

Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 5ohms 20A KINK INRSH CURR LIMITER
Datasheet
176In Stock
Min.: 1
Mult.: 1

Bulk MS
Vishay / Ametherm Inrush Current Limiters 32mm 7ohms 15A INRSH CURR LIMITER UL Approved
Datasheet
109In 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