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 12mm 150ohms 2A INRSH CURR LIMITER UL Approved MS1215102 Vishay / Ametherm 1: $5.589 887In 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	887In Stock	$5.589 $4.644 $4.282 $3.557 View $3.283 $2.975 $2.580 $2.415	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 MS1530004 Vishay / Ametherm 1: $5.611 837In 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	837In Stock	$5.611 $4.655 $4.293 $3.568 View $3.283 $2.877 $2.767 $2.492	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 35mm .5ohms 50A INRSH CURR LIMITER MS350R550 Vishay / Ametherm 1: $21.267 195In 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	195In Stock	$21.267 $17.655 $17.370 $14.625 View $14.295 $14.219 $11.836 $11.375 $10.463	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 22mm 220ohms 3A INRSH CURR LIMITER UL Approved MS2222103 Vishay / Ametherm 1: $7.455 919In 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	919In Stock	$7.455 $6.181 $5.709 $4.732 View $4.359 $3.832 $3.601 $3.316	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 MS353R725 Vishay / Ametherm 1: $56.237 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	$56.237 $44.280 $40.778 $34.399 View $32.697 $29.359 Quote	Min.: 1 Mult.: 1			25 A				37 mm				Bulk	MS35
Inrush Current Limiters 15mm 40ohms 4A INRSH CURR LIMITER UL Approved MS1540004 Vishay / Ametherm 1: $5.029 1.018In 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	1.018In Stock	$5.029 $4.172 $3.854 $3.195 View $2.932 $2.339	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 MS2210008 Vishay / Ametherm 1: $6.698 2.085In Stock 7.800On Order	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	2.085In Stock 7.800On Order On Order Ship Dates Mfr. #: MS2210008 Stock: 2.085 Can Ship Immediately On Order: 4.000 Pending 3.800 Expected 12/15/2026 Factory Lead-Time: 12 Weeks	$6.698 $5.556 $5.127 $4.216 View $3.887 $3.590 $3.228 $3.074	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 MS2212104 Vishay / Ametherm 1: $7.082 1.632In 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	1.632In Stock	$7.082 $5.885 $5.424 $4.502 View $4.139 $3.437 $3.151	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 MS2220005 Vishay / Ametherm 1: $7.422 935In Stock 1.700Expected 11/4/2026	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	935In Stock 1.700Expected 11/4/2026	$7.422 $6.160 $5.687 $4.721 View $4.315 $3.832 $3.601 $3.316	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 22mm 50ohms 4A INRSH CURR LIMITER UL Approved MS2250004 Vishay / Ametherm 1: $6.313 827In Stock	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	827In Stock	$6.313 $5.237 $4.831 $4.008 View $3.997 $3.810	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 32mm .5ohms 40A INRSH CURR LIMITER MS320R540 Vishay / Ametherm 1: $11.342 528In 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	528In Stock	$11.342 $9.420 $7.806 $7.203 View $6.632 $6.050 $5.709	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 2ohms 25A INRSH CURR LIMITER UL Approved MS322R025 Vishay / Ametherm 1: $10.749 665In Stock 3.600Expected 10/23/2026	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	665In Stock 3.600Expected 10/23/2026	$10.749 $8.981 $8.509 $7.576 View $6.752 $6.247 $5.556 $5.523	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 1ohms 40A INRSH CURR LIMITER MS351R040 Vishay / Ametherm 1: $25.110 385In 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	385In Stock	$25.110 $20.839 $17.271 $15.920 View $14.680 $13.175 $12.121	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 35mm 20ohms 10A INRSH CURR LIMITER MS3520010 Vishay / Ametherm 1: $22.936 346In Stock	Mfr. Part # MS3520010 Mouser Part # 995-MS35-20010	Vishay / Ametherm	Inrush Current Limiters 35mm 20ohms 10A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	346In Stock	$22.936 $19.028 $18.885 $15.767 View $14.537 $13.406 $13.197	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
Inrush Current Limiters 35mm 2ohms 35A INRSH CURR LIMITER MS352R035 Vishay / Ametherm 1: $22.552 272In Stock	Mfr. Part # MS352R035 Mouser Part # 995-MS35-2R035	Vishay / Ametherm	Inrush Current Limiters 35mm 2ohms 35A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	272In Stock	$22.552 $18.709 $15.503 $14.306 View $13.175 $12.879	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
Inrush Current Limiters 35mm 3ohms 30A INRSH CURR LIMITER MS353R030 Vishay / Ametherm 1: $21.739 214In Stock	Mfr. Part # MS353R030 Mouser Part # 995-MS35-3R030	Vishay / Ametherm	Inrush Current Limiters 35mm 3ohms 30A INRSH CURR LIMITER Learn More about Vishay / Ametherm ametherm megasurge	Datasheet	214In Stock	$21.739 $18.039 $14.954 $12.462 $12.451	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
Inrush Current Limiters 22mm 120ohms 2A INRSH CURR LIMITER UL Approved MS2212102 Vishay / Ametherm 1: $9.135 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	$9.135 $7.587 $7.005 $5.808 View $5.347 $4.699 $4.414 $4.062	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 MS2212103 Vishay / Ametherm 1: $7.455 176In 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	176In Stock	$7.455 $6.192 $5.709 $4.732 View $4.359 $3.832	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 MS2230005 Vishay / Ametherm 1: $7.982 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	$7.982 $6.632 $6.116 $5.073 View $4.666 $4.117 $3.865 $3.557	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 75ohms 4A INRSH CURR LIMITER UL Approved MS2275004 Vishay / Ametherm 1: $7.455 164In Stock	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	164In Stock	$7.455 $6.192 $5.709 $4.732 View $4.359 $3.832 $3.601 $3.316	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 15ohms 12A INRSH CURR LIMITER UL Approved MS3215012 Vishay / Ametherm 1: $12.989 112In Stock 200Expected 10/13/2026	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	112In Stock 200Expected 10/13/2026	$12.989 $10.881 $10.343 $9.124 View $8.235 $7.609 $6.796 $6.412 $5.896	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 20ohms 8A INRSH CURR LIMITER UL Approved MS3220008 Vishay / Ametherm 1: $10.892 190In Stock 200Expected 11/30/2026	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 11/30/2026	$10.892 $9.036 $7.488 $6.906 View $6.368 $5.720 $5.270 $4.842	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 MS3220010B Vishay / Ametherm 1: $12.594 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	$12.594 $10.453 $10.244 $8.663 View $7.982 $7.697 $6.610 $6.083 $5.600	Min.: 1 Mult.: 1											Bulk	MS
Inrush Current Limiters 32mm 50ohm 6A 16AWG INRSH CURR LIMITER UL Approved MS3250006L Vishay / Ametherm 1: $12.747 131In Stock	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	131In Stock	$12.747 $10.573 $8.762 $8.081 View $7.455 $6.687 $6.160 $5.665	Min.: 1 Mult.: 1											Bulk	MS
Inrush Current Limiters 32mm 5ohms 20A INRSH CURR LIMITER UL Approved MS325R020 Vishay / Ametherm 1: $9.739 280In Stock 750Expected 9/29/2026	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	280In Stock 750Expected 9/29/2026	$9.739 $8.081 $7.839 $6.698 View $6.181 $5.698 $5.116 $4.710 $4.348	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

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