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 (USD) 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 UL Approved 858In Stock
$5.09
$4.23
$3.90
$3.24
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 15mm 30ohms 4A INRSH CURR LIMITER UL Approved 837In Stock
$5.11
$4.24
$3.91
$3.25
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 220ohms 3A INRSH CURR LIMITER UL Approved 919In Stock
$6.79
$5.63
$5.20
$5.19
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 40In Stock
$51.24
$40.29
$37.14
$32.05
Min.: 1
Mult.: 1
25 A 37 mm Bulk MS35
Vishay / Ametherm Inrush Current Limiters 32mm 2ohms 25A INRSH CURR LIMITER UL Approved 4,265In Stock
$9.87
$8.20
$7.70
$7.12
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 15mm 40ohms 4A INRSH CURR LIMITER UL Approved 1,018In Stock
$4.58
$3.80
$3.51
$2.91
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 INRSH CURR LIMITER UL Approved 1,954In Stock
7,800On Order
$5.99
$4.97
$4.59
$3.84
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 4A INRSH CURR LIMITER UL Approved 1,582In Stock
$6.45
$5.36
$4.94
$4.10
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 20ohms 5A INRSH CURR LIMITER UL Approved 930In Stock
1,700Expected 04/11/2026
$6.76
$5.61
$5.18
$4.30
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 626In Stock
$5.75
$4.77
$4.40
$3.65
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 528In Stock
$10.33
$8.58
$7.11
$6.56
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 1,741In Stock
2,200Expected 18/11/2026
$8.91
$7.40
$7.12
$6.13
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 15ohms 12A INRSH CURR LIMITER UL Approved 302In Stock
$11.83
$9.91
$9.42
$8.31
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 1ohms 36A INRSH CURR LIMITER 475In Stock
550Expected 19/10/2026
$11.47
$9.52
$9.34
$7.89
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 32mm 5ohms 20A INRSH CURR LIMITER UL Approved 963In Stock
$8.87
$7.36
$7.14
$6.10
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 35mm .5ohms 50A INRSH CURR LIMITER 170In Stock
$20.13
$16.70
$16.26
$13.92
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 1ohms 40A INRSH CURR LIMITER 385In Stock
$22.87
$18.98
$15.73
$14.50
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 246In Stock
1,000Expected 28/12/2026
$20.89
$17.33
$17.20
$14.36
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 163In Stock
275Expected 24/12/2026
$20.54
$17.04
$14.12
$13.03
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 204In Stock
$19.80
$16.43
$13.62
$11.35
$11.34
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 57In Stock
$8.32
$6.91
$6.38
$5.29
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 133In Stock
$6.79
$5.64
$5.20
$4.31
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 30ohms 5A INRSH CURR LIMITER UL Approved 305In Stock
$7.27
$6.04
$5.57
$4.62
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 32mm 20ohms 8A INRSH CURR LIMITER UL Approved 190In Stock
200Expected 30/11/2026
$9.92
$8.23
$6.82
$6.29
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 172In Stock
$11.47
$9.52
$9.33
$7.89
Min.: 1
Mult.: 1
Bulk MS