Inrush Current Limiters

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Termination Style	Current Rating	Voltage Rating	Resistance	Tolerance	Diameter	Width	Lead Diameter	Lead Spacing	Packaging	Series
Inrush Current Limiters 22mm 220ohms 3A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2222103 MS2222103 Vishay / Ametherm 1: $9.479 899In Stock	Mfr. Part # MS2222103 Mouser Part # 995-MS22-22103	Vishay / Ametherm	Inrush Current Limiters 22mm 220ohms 3A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	899In Stock	$9.479 $7.872 $7.257 $6.015 View $5.548 $4.717 $4.534 $4.215	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
Inrush Current Limiters ICL 3R7 25% 25A 37MM Vishay / Ametherm MS353R725 MS353R725 Vishay / Ametherm 1: $58.376 40In Stock	Mfr. Part # MS353R725 Mouser Part # 995-MS353R725	Vishay / Ametherm	Inrush Current Limiters ICL 3R7 25% 25A 37MM Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	40In Stock	$58.376 $45.901 $42.313 $36.514 View $33.928 $30.464	Min.: 1 Mult.: 1			25 A				37 mm				Bulk	MS35
Inrush Current Limiters 32mm 2ohms 25A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS322R025 MS322R025 Vishay / Ametherm 1: $11.119 3.212In Stock	Mfr. Part # MS322R025 Mouser Part # 995-MS32-2R025	Vishay / Ametherm	Inrush Current Limiters 32mm 2ohms 25A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	3.212In Stock	$11.119 $9.228 $8.864 $7.861 View $7.120 $6.574 $5.776 $5.639	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
Inrush Current Limiters 35mm 10ohms 18A INRSH CURR LIMITER MS3510018 Vishay / Ametherm 1: $26.522 1.176In Stock 1.775Expected 11/27/2026	Mfr. Part # MS3510018 Mouser Part # 995-MS35-10018	Vishay / Ametherm	Inrush Current Limiters 35mm 10ohms 18A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	1.176In Stock 1.775Expected 11/27/2026	$26.522 $22.011 $18.240 $16.816 View $15.494 $15.095 $14.469	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
Inrush Current Limiters 12mm 150ohms 2A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS1215102 MS1215102 Vishay / Ametherm 1: $5.799 847In Stock	Mfr. Part # MS1215102 Mouser Part # 995-MS12-15102	Vishay / Ametherm	Inrush Current Limiters 12mm 150ohms 2A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	847In Stock	$5.799 $4.819 $4.443 $3.691 View $3.406 $3.087 $2.677 $2.506	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
Inrush Current Limiters 15mm 30ohms 4A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS1530004 MS1530004 Vishay / Ametherm 1: $5.822 717In Stock	Mfr. Part # MS1530004 Mouser Part # 995-MS15-30004	Vishay / Ametherm	Inrush Current Limiters 15mm 30ohms 4A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	717In Stock	$5.822 $4.831 $4.455 $3.703 View $3.406 $2.974 $2.871 $2.586	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
Inrush Current Limiters 15mm 40ohms 4A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS1540004 MS1540004 Vishay / Ametherm 1: $5.218 963In Stock	Mfr. Part # MS1540004 Mouser Part # 995-MS15-40004	Vishay / Ametherm	Inrush Current Limiters 15mm 40ohms 4A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	963In Stock	$5.218 $4.329 $3.999 $3.315 View $3.042 $2.563	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
Inrush Current Limiters 22mm 10ohms 8A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2210008 MS2210008 Vishay / Ametherm 1: $6.950 3.024In Stock 3.800Expected 12/15/2026	Mfr. Part # MS2210008 Mouser Part # 995-MS22-10008	Vishay / Ametherm	Inrush Current Limiters 22mm 10ohms 8A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	3.024In Stock 3.800Expected 12/15/2026	$6.950 $5.765 $5.320 $4.409 View $4.056 $3.771 $3.349 $3.201	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
Inrush Current Limiters 22mm 120ohms 4A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2212104 MS2212104 Vishay / Ametherm 1: $7.793 1.580In Stock	Mfr. Part # MS2212104 Mouser Part # 995-MS22-12104	Vishay / Ametherm	Inrush Current Limiters 22mm 120ohms 4A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	1.580In Stock	$7.793 $6.471 $5.970 $4.956 View $4.557 $3.999 $3.782 $3.475	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
Inrush Current Limiters 22mm 20ohms 5A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2220005 MS2220005 Vishay / Ametherm 1: $7.702 929In Stock 1.700Expected 12/11/2026	Mfr. Part # MS2220005 Mouser Part # 995-MS22-20005	Vishay / Ametherm	Inrush Current Limiters 22mm 20ohms 5A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	929In Stock 1.700Expected 12/11/2026	$7.702 $6.391 $5.901 $5.776 View $4.910 $4.489 $3.976 $3.737 $3.441	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
Inrush Current Limiters 32mm .5ohms 40A INRSH CURR LIMITER Vishay / Ametherm MS320R540 MS320R540 Vishay / Ametherm 1: $11.769 518In Stock	Mfr. Part # MS320R540 Mouser Part # 995-MS32-0R540	Vishay / Ametherm	Inrush Current Limiters 32mm .5ohms 40A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	518In Stock	$11.769 $9.775 $8.100 $7.474 View $6.881 $6.277 $5.924	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
Inrush Current Limiters 32mm 10ohms 15A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS3210015 MS3210015 Vishay / Ametherm 1: $10.151 1.733In Stock 2.200Expected 11/18/2026	Mfr. Part # MS3210015 Mouser Part # 995-MS32-10015	Vishay / Ametherm	Inrush Current Limiters 32mm 10ohms 15A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	1.733In Stock 2.200Expected 11/18/2026	$10.151 $8.431 $8.248 $6.984 View $6.437 $5.936 $5.332 $4.910 $4.534	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
Inrush Current Limiters 32mm 15ohms 12A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS3215012 MS3215012 Vishay / Ametherm 1: $13.546 294In Stock	Mfr. Part # MS3215012 Mouser Part # 995-MS32-15012	Vishay / Ametherm	Inrush Current Limiters 32mm 15ohms 12A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	294In Stock	$13.546 $11.290 $10.527 $10.083 View $8.590 $7.929 $7.200 $6.653 $6.118	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
Inrush Current Limiters 32mm 1ohms 36A INRSH CURR LIMITER MS321R036 Vishay / Ametherm 1: $13.443 1.023In Stock	Mfr. Part # MS321R036 Mouser Part # 995-MS32-1R036	Vishay / Ametherm	Inrush Current Limiters 32mm 1ohms 36A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	1.023In Stock	$13.443 $11.154 $10.516 $9.900 View $8.522 $7.861 $7.007 $6.312 $5.810	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
Inrush Current Limiters 35mm .5ohms 50A INRSH CURR LIMITER Vishay / Ametherm MS350R550 MS350R550 Vishay / Ametherm 1: $23.401 170In Stock	Mfr. Part # MS350R550 Mouser Part # 995-MS35-0R550	Vishay / Ametherm	Inrush Current Limiters 35mm .5ohms 50A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	170In Stock	$23.401 $19.413 $16.087 $14.993	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
Inrush Current Limiters 35mm 1ohms 40A INRSH CURR LIMITER Vishay / Ametherm MS351R040 MS351R040 Vishay / Ametherm 1: $26.055 360In Stock	Mfr. Part # MS351R040 Mouser Part # 995-MS35-1R040	Vishay / Ametherm	Inrush Current Limiters 35mm 1ohms 40A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	360In Stock	$26.055 $21.623 $17.921 $16.519 View $15.232 $13.671 $12.578	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
Inrush Current Limiters 22mm 120ohms 2A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2212102 MS2212102 Vishay / Ametherm 1: $9.479 57In Stock	Mfr. Part # MS2212102 Mouser Part # 995-MS22-12102	Vishay / Ametherm	Inrush Current Limiters 22mm 120ohms 2A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	57In Stock	$9.479 $7.872 $7.269 $6.027 View $5.548 $4.876 $4.580 $4.215	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
Inrush Current Limiters 22mm 120ohms 3A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2212103 MS2212103 Vishay / Ametherm 1: $9.479 118In Stock	Mfr. Part # MS2212103 Mouser Part # 995-MS22-12103	Vishay / Ametherm	Inrush Current Limiters 22mm 120ohms 3A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	118In Stock	$9.479 $7.872 $7.269 $5.651 View $5.206 $4.842	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
Inrush Current Limiters 22mm 30ohms 5A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2230005 MS2230005 Vishay / Ametherm 1: $8.283 305In Stock	Mfr. Part # MS2230005 Mouser Part # 995-MS22-30005	Vishay / Ametherm	Inrush Current Limiters 22mm 30ohms 5A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	305In Stock	$8.283 $6.881 $6.346 $5.263 View $4.842 $4.272 $4.010 $3.691	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
Inrush Current Limiters 22mm 50ohms 4A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2250004 MS2250004 Vishay / Ametherm 1: $6.551 343In Stock 700Expected 1/8/2027	Mfr. Part # MS2250004 Mouser Part # 995-MS22-50004	Vishay / Ametherm	Inrush Current Limiters 22mm 50ohms 4A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	343In Stock 700Expected 1/8/2027	$6.551 $5.434 $5.013 $4.158 View $4.147 $3.953	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
Inrush Current Limiters 22mm 75ohms 4A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS2275004 MS2275004 Vishay / Ametherm 1: $8.203 299In Stock 600Expected 1/21/2027	Mfr. Part # MS2275004 Mouser Part # 995-MS22-75004	Vishay / Ametherm	Inrush Current Limiters 22mm 75ohms 4A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	299In Stock 600Expected 1/21/2027	$8.203 $6.801 $6.277 $5.206 View $4.796 $4.215 $3.965 $3.646	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
Inrush Current Limiters 32mm 20ohms 8A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS3220008 MS3220008 Vishay / Ametherm 1: $11.302 190In Stock 200Expected 11/9/2026	Mfr. Part # MS3220008 Mouser Part # 995-MS32-20008	Vishay / Ametherm	Inrush Current Limiters 32mm 20ohms 8A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	190In Stock 200Expected 11/9/2026	$11.302 $9.376 $7.770 $7.166 View $6.608 $5.936 $5.469 $5.024	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
Inrush Current Limiters 32mm 20ohm 10A KINK INRSH CURR LIMITER Vishay / Ametherm MS3220010B MS3220010B Vishay / Ametherm 1: $13.067 172In Stock	Mfr. Part # MS3220010B Mouser Part # 995-MS32-20010-B	Vishay / Ametherm	Inrush Current Limiters 32mm 20ohm 10A KINK INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	172In Stock	$13.067 $10.846 $10.629 $8.989 View $8.283 $7.986 $6.858 $6.312 $5.810	Min.: 1 Mult.: 1											Bulk	MS
Inrush Current Limiters 32mm 50ohm 6A 16AWG INRSH CURR LIMITER UL Approved Vishay / Ametherm MS3250006L MS3250006L Vishay / Ametherm 1: $10.572 31In Stock 200Expected 1/18/2027	Mfr. Part # MS3250006L Mouser Part # 995-MS32-50006-L	Vishay / Ametherm	Inrush Current Limiters 32mm 50ohm 6A 16AWG INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	31In Stock 200Expected 1/18/2027	$10.572 $8.772 $7.269 $6.699 View $5.833 $5.674	Min.: 1 Mult.: 1											Bulk	MS
Inrush Current Limiters 32mm 5ohms 20A INRSH CURR LIMITER UL Approved Vishay / Ametherm MS325R020 MS325R020 Vishay / Ametherm 1: $9.536 228In Stock 425Expected 1/21/2027	Mfr. Part # MS325R020 Mouser Part # 995-MS32-5R020	Vishay / Ametherm	Inrush Current Limiters 32mm 5ohms 20A INRSH CURR LIMITER UL Approved Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	228In Stock 425Expected 1/21/2027	$9.536 $7.918 $6.562 $6.050 View $5.582 $5.013 $4.614	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