.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 362,150

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.
NTC Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473F3UF2T00 Bourns 1: ₩265.2 2,800In Stock New Product	Mfr. Part # BTN08G473F3UF2T00 Mouser Part # 652-TN08G473F3UF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩265.2 ₩230.9 ₩202.8 ₩162.2 Reel ₩121.7 View ₩142 ₩135.7 ₩117 ₩112.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 47K B25/85 4000 BTN08G473F4AF2T00 Bourns 1: ₩265.2 2,800In Stock New Product	Mfr. Part # BTN08G473F4AF2T00 Mouser Part # 652-TN08G473F4AF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 47K B25/85 4000 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩265.2 ₩230.9 ₩213.7 ₩170 Reel ₩101.4 View ₩156 ₩131 ₩118.6 ₩96.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473J3UH2T00 Bourns 1: ₩249.6 2,800In Stock New Product	Mfr. Part # BTN08G473J3UH2T00 Mouser Part # 652-TN08G473J3UH2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩249.6 ₩220 ₩193.4 ₩154.4 Reel ₩117 View ₩135.7 ₩129.5 ₩112.3 ₩107.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV AQ3118-02JTG Littelfuse 1: ₩2,090.4 1,948In Stock New Product	Mfr. Part # AQ3118-02JTG Mouser Part # 576-AQ3118-02JTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV Learn More about Littelfuse aq3118 02jtg tvs diode array	Datasheet	1,948In Stock	Cut Tape ₩2,090.4 ₩1,310.4 ₩858 ₩663 ₩563.2 Reel ₩468 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 511KH10-AT YAGEO 1: ₩889.2 2,560In Stock 400Expected 1/11/2027 New Product	Mfr. Part # 511KH10-AT Mouser Part # 603-511KH10-AT New Product	YAGEO	Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	2,560In Stock 400Expected 1/11/2027	₩889.2 ₩550.7 ₩427.4 ₩407.2 View ₩397.8 ₩382.2 ₩310.4	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0603 100kO 2% B25/50 4250K BTN06G104G4EF1T0A Bourns 1: ₩249.6 8,000In Stock New Product	Mfr. Part # BTN06G104G4EF1T0A Mouser Part # 652-BTN061044EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 2% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape ₩249.6 ₩220 ₩193.4 ₩154.4 Reel ₩117 View ₩135.7 ₩129.5 ₩112.3 ₩107.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D152KKC Bourns 1: ₩5,319.6 175In Stock New Product	Mfr. Part # MOV-20D152KKC Mouser Part # 652-MOV-20D152KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	175In Stock	₩5,319.6 ₩3,369.6 ₩2,605.2 ₩2,433.6 View ₩2,137.2 ₩1,794 ₩1,747.2	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0805 10K B25/85 3970 BTN08G103F3VF2T00 Bourns 1: ₩265.2 2,800In Stock New Product	Mfr. Part # BTN08G103F3VF2T00 Mouser Part # 652-TN08G103F3VF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 10K B25/85 3970 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩265.2 ₩230.9 ₩202.8 ₩162.2 Reel ₩121.7 View ₩142 ₩135.7 ₩117 ₩112.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 100K B25/85 4100 BTN08G104J4BH2T00 Bourns 1: ₩249.6 2,800In Stock New Product	Mfr. Part # BTN08G104J4BH2T00 Mouser Part # 652-TN08G104J4H2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 100K B25/85 4100 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩249.6 ₩220 ₩202.8 ₩160.7 Reel ₩96.7 View ₩148.2 ₩124.8 ₩112.3 ₩90.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: ₩904,394.4 3In Stock New Product	Mfr. Part # ESR3XLDB0315XI Mouser Part # 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	₩904,394.4 ₩742,606.8 ₩675,776.4	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: ₩930,368.4 3In Stock New Product	Mfr. Part # ESR3XLUB0400XI Mouser Part # 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	₩930,368.4 ₩763,947.6 ₩695,385.6 Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: ₩949,260 3In Stock New Product	Mfr. Part # ESR3XLUB0500XI Mouser Part # 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	₩949,260 ₩807,970.8 ₩724,292.4	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0603 10kO 5% B25/50 3380K BTN06G103J3HH1T0A Bourns 1: ₩187.2 7,850In Stock New Product	Mfr. Part # BTN06G103J3HH1T0A Mouser Part # 652-BTN06103J3HH1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 5% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,850In Stock	Cut Tape ₩187.2 ₩173.2 ₩152.9 ₩124.8 Reel ₩93.6 View ₩109.2 ₩104.5 ₩88.9 ₩85.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 47kO 1% B25/50 4050K BTN06G473F4AF1T00 Bourns 1: ₩202.8 8,000In Stock New Product	Mfr. Part # BTN06G473F4AF1T00 Mouser Part # 652-BTN06473F4AF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 1% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape ₩202.8 ₩184.1 ₩162.2 ₩132.6 Reel ₩99.8 View ₩117 ₩110.8 ₩95.2 ₩92 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 10K B25/85 3435 BTN08G103F3JF2T00 Bourns 1: ₩265.2 2,800In Stock New Product	Mfr. Part # BTN08G103F3JF2T00 Mouser Part # 652-TN08G103F3JF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 10K B25/85 3435 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩265.2 ₩230.9 ₩202.8 ₩162.2 Reel ₩121.7 View ₩142 ₩135.7 ₩117 ₩112.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473H3UF2T00 Bourns 1: ₩265.2 2,800In Stock New Product	Mfr. Part # BTN08G473H3UF2T00 Mouser Part # 652-TN08G473H3UF2T00 New Product	Bourns	NTC Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape ₩265.2 ₩230.9 ₩213.7 ₩170 Reel ₩101.4 View ₩156 ₩131 ₩118.6 ₩96.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: ₩1,076.4 7,000In Stock New Product	Mfr. Part # SVS1271P3UU.N Mouser Part # 947-SVS1271P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A		7,000In Stock	Cut Tape ₩1,076.4 ₩670.8 ₩429 ₩319.8 Reel ₩185.6 View ₩259 ₩223.1 ₩220 ₩176.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A SVS3671P3UU.N Semtech 1: ₩1,076.4 7,000In Stock New Product	Mfr. Part # SVS3671P3UU.N Mouser Part # 947-SVS3671P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A		7,000In Stock	Cut Tape ₩1,076.4 ₩670.8 ₩429 ₩319.8 Reel ₩185.6 View ₩259 ₩223.1 ₩220 ₩176.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: ₩132,615.6 9In Stock 20Expected 1/1/2027 New At Mouser	Mfr. Part # 8340-F410-P1M1-ALH0-5A Mouser Part # 457-4F410P1M1ALH05A New At Mouser	E-T-A	Circuit Breakers		9In Stock 20Expected 1/1/2027	₩132,615.6 ₩110,011.2 ₩103,443.6 ₩86,205.6 View ₩80,480.4 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: ₩2,886 3,000In Stock New Product	Mfr. Part # SC3000-01UTG Mouser Part # 576-SC3000-01UTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L Learn More about Littelfuse tvs spa diode arrays	Datasheet	3,000In Stock	Cut Tape ₩2,886 ₩1,809.6 ₩1,185.6 ₩915.7 Reel ₩737.9 View ₩776.9 ₩678.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors NTC SMD 0603 10kO 1% B25/50 3380K BTN06G103F3HF1T0A Bourns 1: ₩202.8 7,775In Stock New Product	Mfr. Part # BTN06G103F3HF1T0A Mouser Part # 652-BTN06103F3HF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 1% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,775In Stock	Cut Tape ₩202.8 ₩184.1 ₩162.2 ₩132.6 Reel ₩99.8 View ₩117 ₩110.8 ₩95.2 ₩92 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 100kO 1% B25/50 4250K BTN06G104F4EF1T0A Bourns 1: ₩249.6 8,000In Stock New Product	Mfr. Part # BTN06G104F4EF1T0A Mouser Part # 652-BTN06104F4EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 1% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape ₩249.6 ₩220 ₩193.4 ₩154.4 Reel ₩117 View ₩135.7 ₩129.5 ₩112.3 ₩107.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 100kO 5% B25/50 4250K BTN06G104J4EH1T0A Bourns 1: ₩234 7,990In Stock New Product	Mfr. Part # BTN06G104J4EH1T0A Mouser Part # 652-BTN06104J4EH1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 5% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,990In Stock	Cut Tape ₩234 ₩207.5 ₩182.5 ₩146.6 Reel ₩110.8 View ₩129.5 ₩123.2 ₩106.1 ₩101.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A SVS1071P3UU.N Semtech 1: ₩1,076.4 7,000In Stock New Product	Mfr. Part # SVS1071P3UU.N Mouser Part # 947-SVS1071P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A		7,000In Stock	Cut Tape ₩1,076.4 ₩670.8 ₩429 ₩319.8 Reel ₩185.6 View ₩259 ₩223.1 ₩220 ₩176.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K UCLAMP3311T.TNT Semtech 1: ₩1,419.6 4,529In Stock New Product	Mfr. Part # UCLAMP3311T.TNT Mouser Part # 947-UCLAMP3311T.TNT New Product	Semtech	ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K	Datasheet	4,529In Stock	Cut Tape ₩1,419.6 ₩881.4 ₩575.6 ₩433.7 View Reel ₩277.7 ₩394.7 ₩361.9 ₩352.6 ₩277.7 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support