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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.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers HMC11 120AC 10A C1D2 2907196 Phoenix Contact 1: $196.43 34In Stock	Mfr. Part No. 2907196 Mouser Part No 651-2907196	Phoenix Contact	Circuit Breakers HMC11 120AC 10A C1D2 Learn More about Phoenix Contact hmc circuit breakers	Datasheet	34In Stock	$196.43	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX MF-R250-0-10 Bourns 1: $0.50 12,240In Stock	Mfr. Part No. MF-R250-0-10 Mouser Part No 652-MF-R250-0-10	Bourns	Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX Learn More about Bourns mf r	Datasheet	12,240In Stock	$0.50 $0.426 $0.367 $0.336 View $0.317 $0.293 $0.27 $0.248 $0.223	Min.: 1 Mult.: 1
Surface Mount Fuses 0.8A Slow Blow 0402 SinglFuse SF-0402S080-2 Bourns 1: $0.72 8,879In Stock	Mfr. Part No. SF-0402S080-2 Mouser Part No 652-SF-0402S080-2	Bourns	Surface Mount Fuses 0.8A Slow Blow 0402 SinglFuse Learn More about Bourns slow blow smd fuses	Datasheet	8,879In Stock	Cut Tape $0.72 $0.573 $0.482 $0.424 View Reel $0.268 $0.381 $0.351 $0.324 $0.299 $0.268 $0.268 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 2A 32V TIME DELAY SF-0603SP200-2 Bourns 1: $0.63 16,850In Stock	Mfr. Part No. SF-0603SP200-2 Mouser Part No 652-SF-0603SP200-2	Bourns	Surface Mount Fuses 2A 32V TIME DELAY Learn More about Bourns sf 0603sp r metal foil smd fuses	Datasheet	16,850In Stock	Cut Tape $0.63 $0.582 $0.52 $0.481 View Reel $0.376 $0.445 $0.42 $0.393 $0.388 $0.376 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
PTC (Positive Temperature Coefficient) Thermistors PTC 6.8Kohms 1% Linear Vishay / Dale TFPT1206L6801FM TFPT1206L6801FM Vishay / Dale 1: $1.30 4,607In Stock	Mfr. Part No. TFPT1206L6801FM Mouser Part No 71-TFPT1206L6801FM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 6.8Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,607In Stock	Cut Tape $1.30 $0.973 $0.778 $0.732 View Reel $0.511 $0.714 $0.60 $0.558 $0.511 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 3KW, 43V 5%,BIDIR,SMC TVS Vishay Semiconductors SMC3K43CAHM3_A/H SMC3K43CAHM3_A/H Vishay Semiconductors 1: $2.56 3,450In Stock	Mfr. Part No. SMC3K43CAHM3_A/H Mouser Part No 78-SMC3K43CAHM3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 3KW, 43V 5%,BIDIR,SMC TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	3,450In Stock	Cut Tape $2.56 $1.71 $1.33 $1.12 Reel $0.729 View $0.739 $0.726 MouseReel Available	Min.: 1 Mult.: 1 : 850
ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB) SMC5K36A-M3/I Vishay Semiconductors 1: $2.22 4,518In Stock	Mfr. Part No. SMC5K36A-M3/I Mouser Part No 78-SMC5K36A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB) Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	4,518In Stock	Cut Tape $2.22 $1.43 $1.08 $0.96 Reel $0.586 View $0.764 $0.702 $0.606 $0.552 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
NTC (Negative Temperature Coefficient) Thermistors 10KOhm 20% Thermisto w/adjacent leads 112-103FAJ-B01 Honeywell 1: $26.33 146In Stock	Mfr. Part No. 112-103FAJ-B01 Mouser Part No 785-112-103FAJ-B01	Honeywell	NTC (Negative Temperature Coefficient) Thermistors 10KOhm 20% Thermisto w/adjacent leads	Datasheet	146In Stock	$26.33 $24.50 $23.12 $21.35 View $21.01 $20.73 $20.33 Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15K OHM 3% NTCGP3UH153HCJBAA TDK 1: $5.48 556In Stock	Mfr. Part No. NTCGP3UH153HCJBAA Mouser Part No 810-NTCGP3UH153HCJBA	TDK	NTC (Negative Temperature Coefficient) Thermistors 15K OHM 3% Learn More about TDK ntcgp temperature sensors	Datasheet	556In Stock	$5.48 $4.92 $4.72 $4.47 View $4.30 $4.15 $3.84 $3.71	Min.: 1 Mult.: 1
Triacs 8A 35mA 800V IGT 3 QUAD INTERNL ISLTD BTA08-800CW3G Littelfuse 1: $3.68 1,062In Stock	Mfr. Part No. BTA08-800CW3G Mouser Part No 863-BTA08-800CW3G	Littelfuse	Triacs 8A 35mA 800V IGT 3 QUAD INTERNL ISLTD	Datasheet	1,062In Stock	$3.68 $1.88 $1.72 $1.62 $1.60	Min.: 1 Mult.: 1
Triacs THY 15A 600V TRIAC MAC15-8G Littelfuse 1: $3.99 1,147In Stock	Mfr. Part No. MAC15-8G Mouser Part No 863-MAC15-8G	Littelfuse	Triacs THY 15A 600V TRIAC	Datasheet	1,147In Stock	Cut Tape $3.99 $2.60 $1.90 $1.59 Reel $1.37	Min.: 1 Mult.: 1 : 1,000
Triacs THY SPECIAL TRIAC T2800DG Littelfuse 1: $2.82 3,355In Stock	Mfr. Part No. T2800DG Mouser Part No 863-T2800DG	Littelfuse	Triacs THY SPECIAL TRIAC	Datasheet	3,355In Stock	Cut Tape $2.82 $1.75 $1.27 $1.13 Reel $1.13	Min.: 1 Mult.: 1 : 1,000
Inrush Current Limiters S236/2.2/M NTC Thermistor B57236S0229M000 TDK 1: $1.26 3,105In Stock	Mfr. Part No. B57236S0229M000 Mouser Part No 871-B57236S0229M000	TDK	Inrush Current Limiters S236/2.2/M NTC Thermistor Learn More about TDK epcos inrush current limiters	Datasheet	3,105In Stock	$1.26 $1.16 $0.96 $0.886 View $0.796 $0.734 $0.717 $0.623 $0.546	Min.: 1 Mult.: 1
Inrush Current Limiters S 236/2.5 M51 B57236S0259M051 TDK 1: $1.09 5,509In Stock	Mfr. Part No. B57236S0259M051 Mouser Part No 871-B57236S0259M051	TDK	Inrush Current Limiters S 236/2.5 M51 Learn More about TDK epcos inrush current limiters	Datasheet	5,509In Stock	Cut Tape $1.09 $1.01 $0.831 $0.767 Reel $0.484 View $0.689 $0.636 $0.496 $0.464	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA B57250V2473F560 TDK 1: $0.12 34,557In Stock	Mfr. Part No. B57250V2473F560 Mouser Part No 871-B57250V2473F560	TDK	NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA Learn More about TDK b572xv2 ntc thermistors	Datasheet	34,557In Stock	Cut Tape $0.12 $0.105 $0.095 $0.082 Reel $0.049 View $0.073 $0.069 $0.062 $0.04	Min.: 1 Mult.: 1 : 10,000
Inrush Current Limiters S 364/1 M51 B57364S0109M051 TDK 1: $3.12 2,204In Stock	Mfr. Part No. B57364S0109M051 Mouser Part No 871-B57364S0109M051	TDK	Inrush Current Limiters S 364/1 M51 Learn More about TDK epcos inrush current limiters	Datasheet	2,204In Stock	Cut Tape $3.12 $2.59 $2.39 $1.98 View Reel $1.36 $1.83 $1.65 $1.52 $1.36 $1.36	Min.: 1 Mult.: 1 : 2,000
NTC (Negative Temperature Coefficient) Thermistors 0805 470K 5% B-4480 NTC B57471V2474J062 TDK 1: $0.40 20,523In Stock	Mfr. Part No. B57471V2474J062 Mouser Part No 871-B57471V2474J062	TDK	NTC (Negative Temperature Coefficient) Thermistors 0805 470K 5% B-4480 NTC Learn More about TDK b574xv2 b57620c5 ntc thermistors	Datasheet	20,523In Stock	Cut Tape $0.40 $0.374 $0.331 $0.314 Reel $0.213 View $0.282 $0.224 $0.206 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors 5k 3988 B57863S0502F040 TDK 1: $2.69 4,743In Stock	Mfr. Part No. B57863S0502F040 Mouser Part No 871-B57863S502F40	TDK	NTC (Negative Temperature Coefficient) Thermistors 5k 3988 Learn More about TDK epcos ntc thermistors	Datasheet	4,743In Stock	$2.69 $2.57 $2.43 $2.33 View $2.24 $2.06 $1.99 $1.92	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating B59060A0160A010 TDK 1: $2.31 1,570In Stock	Mfr. Part No. B59060A0160A010 Mouser Part No 871-B59060A0160A010	TDK	PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating Learn More about TDK epcos kits	Datasheet	1,570In Stock	$2.31 $1.89 $1.53 $1.43 View $1.35 $1.20 $1.16 $1.06	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating B59060A0180A010 TDK 1: $1.49 1,945In Stock	Mfr. Part No. B59060A0180A010 Mouser Part No 871-B59060A0180A010	TDK	PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating Learn More about TDK epcos kits	Datasheet	1,945In Stock	$1.49 $1.42 $1.34 $1.28 View $1.23 $1.12 $1.04	Min.: 1 Mult.: 1
Varistors 460VAC 10% 10mm AdvanceD B72210S2461K101 TDK 1: $0.57 11,017In Stock	Mfr. Part No. B72210S2461K101 Mouser Part No 871-B72210S2461K101	TDK	Varistors 460VAC 10% 10mm AdvanceD Learn More about TDK epcosvaristors	Datasheet	11,017In Stock	$0.57 $0.358 $0.29 $0.277 View $0.266 $0.232 $0.226 $0.21	Min.: 1 Mult.: 1
Varistors 40VAC 10% 14mm StandarD B72214S0400K101 TDK 1: $0.52 10,624In Stock	Mfr. Part No. B72214S0400K101 Mouser Part No 871-B72214S400K101	TDK	Varistors 40VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	10,624In Stock	$0.52 $0.327 $0.263 $0.251 View $0.239 $0.228 $0.209	Min.: 1 Mult.: 1
Varistors 550VAC 10% 20mm SuperioR MP B72220P3551K101 TDK 1: $2.40 1,397In Stock	Mfr. Part No. B72220P3551K101 Mouser Part No 871-B72220P3551K101	TDK	Varistors 550VAC 10% 20mm SuperioR MP Learn More about TDK epcos lumileds led solutions	Datasheet	1,397In Stock	$2.40 $1.63 $1.46 $1.38 View $1.33 $1.26 $1.23 $1.19 $1.08	Min.: 1 Mult.: 1
Varistors 14VAC 10% 20mm StandarD B72220S0140K101 TDK 1: $1.02 4,248In Stock	Mfr. Part No. B72220S0140K101 Mouser Part No 871-B72220S140K101	TDK	Varistors 14VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	4,248In Stock	$1.02 $0.664 $0.547 $0.524 View $0.49 $0.472 $0.465 $0.43 $0.422	Min.: 1 Mult.: 1
Varistors 460VAC 10% 25mm SuperioR B72225S4461K101 TDK 1: $4.57 1,060In Stock	Mfr. Part No. B72225S4461K101 Mouser Part No 871-B72225S4461K101	TDK	Varistors 460VAC 10% 25mm SuperioR	Datasheet	1,060In Stock	$4.57 $3.47 $3.19 $2.89 View $2.74 $2.65 $2.55 $2.47	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection