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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.
Surface Mount Fuses 0.315A Fast Acting 0402 Singlfuse SF-0402F0315-2 Bourns 1: $0.68 6,974In Stock	Mfr. Part No. SF-0402F0315-2 Mouser Part No 652-SF-0402F0315-2	Bourns	Surface Mount Fuses 0.315A Fast Acting 0402 Singlfuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	6,974In Stock	Cut Tape $0.68 $0.541 $0.456 $0.40 View Reel $0.253 $0.36 $0.332 $0.306 $0.282 $0.253 $0.253 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 0.75A Fast Acting 0402 SinglFuse SF-0402F075-2 Bourns 1: $0.68 15,135In Stock	Mfr. Part No. SF-0402F075-2 Mouser Part No 652-SF-0402F075-2	Bourns	Surface Mount Fuses 0.75A Fast Acting 0402 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	15,135In Stock	Cut Tape $0.68 $0.541 $0.456 $0.40 View Reel $0.253 $0.36 $0.332 $0.306 $0.282 $0.253 $0.253 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse SF-0402F150-2 Bourns 1: $0.68 17,977In Stock	Mfr. Part No. SF-0402F150-2 Mouser Part No 652-SF-0402F150-2	Bourns	Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	17,977In Stock	Cut Tape $0.68 $0.541 $0.456 $0.40 View Reel $0.253 $0.36 $0.332 $0.306 $0.282 $0.253 $0.253 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 3A Fast Acting 0402 SinglFuse SF-0402F300-2 Bourns 1: $0.59 15,059In Stock	Mfr. Part No. SF-0402F300-2 Mouser Part No 652-SF-0402F300-2	Bourns	Surface Mount Fuses 3A Fast Acting 0402 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	15,059In Stock	Cut Tape $0.59 $0.514 $0.448 $0.412 View Reel $0.253 $0.371 $0.342 $0.306 $0.282 $0.253 $0.253 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1.5A 63V FAST ACTING SF-1206FP150-2 Bourns 1: $0.70 25,972In Stock	Mfr. Part No. SF-1206FP150-2 Mouser Part No 652-SF-1206FP150-2	Bourns	Surface Mount Fuses 1.5A 63V FAST ACTING Learn More about Bourns precision fast acting smd fuses	Datasheet	25,972In Stock	Cut Tape $0.70 $0.574 $0.456 $0.425 View Reel $0.252 $0.36 $0.332 $0.306 $0.282 $0.252 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 3A 32V FAST ACTING SF-1206FP300-2 Bourns 1: $0.68 14,910In Stock	Mfr. Part No. SF-1206FP300-2 Mouser Part No 652-SF-1206FP300-2	Bourns	Surface Mount Fuses 3A 32V FAST ACTING Learn More about Bourns precision fast acting smd fuses	Datasheet	14,910In Stock	Cut Tape $0.68 $0.541 $0.456 $0.40 View Reel $0.252 $0.36 $0.332 $0.306 $0.282 $0.252 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 200volts TISP4265M3BJR-S Bourns 1: $1.23 10,942In Stock	Mfr. Part No. TISP4265M3BJR-S Mouser Part No 652-TISP4265M3BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 200volts Learn More about Bourns tisp4xm3bj overvoltage protectors	Datasheet	10,942In Stock	Cut Tape $1.23 $0.771 $0.507 $0.394 Reel $0.31 View $0.357 $0.296 $0.287 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC (Positive Temperature Coefficient) Thermistors 150ohms 1% Linear Vishay / Dale TFPT0603L1500FV TFPT0603L1500FV Vishay / Dale 1: $1.12 4,839In Stock	Mfr. Part No. TFPT0603L1500FV Mouser Part No 71-TFPT0603L1500FV	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors 150ohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,839In Stock	Cut Tape $1.12 $1.06 $0.992 $0.947 Reel $0.719 View $0.906 $0.824 $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 5% Linear Vishay / Dale TFPT0805L1001JM TFPT0805L1001JM Vishay / Dale 1: $1.10 4,105In Stock	Mfr. Part No. TFPT0805L1001JM Mouser Part No 71-TFPT0805L1001JM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 5% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	4,105In Stock	Cut Tape $1.10 $0.821 $0.657 $0.618 View Reel $0.436 $0.603 $0.507 $0.476 $0.436 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Varistors WE-VEA MOV SMD Array 0508 5VDC 10pF 82380050100 Wurth Elektronik 1: $1.50 3,735In Stock	Mfr. Part No. 82380050100 Mouser Part No 710-82380050100	Wurth Elektronik	Varistors WE-VEA MOV SMD Array 0508 5VDC 10pF	Datasheet	3,735In Stock	Cut Tape $1.50 $1.11 $0.961 $0.96 View Reel $0.897 $0.942 $0.938 $0.934 $0.926 $0.897 $0.897 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor VS3V3BB1FST27N ROHM Semiconductor 1: $0.44 49,915In Stock	Mfr. Part No. VS3V3BB1FST27N Mouser Part No 755-VS3V3BB1FST27N	ROHM Semiconductor	ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor Learn More about ROHM Semiconductor rohm vs3v tvs	Datasheet	49,915In Stock	Cut Tape $0.44 $0.193 $0.163 $0.126 View Reel $0.068 $0.116 $0.101 $0.096 $0.085 $0.068 MouseReel Available	Min.: 1 Mult.: 1 : 27,000
ESD Protection Diodes / TVS Diodes 1000watt 43volt SMF43A-E3-08 Vishay Semiconductors 1: $0.61 28,956In Stock	Mfr. Part No. SMF43A-E3-08 Mouser Part No 78-SMF43A-E3-08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1000watt 43volt Learn More about Vishay Semiconductors vishay smf series diodes	Datasheet	28,956In Stock	Cut Tape $0.61 $0.273 $0.239 $0.18 Reel $0.136 View $0.179 $0.118 $0.104 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805 PRG21BC0R2MM1RA Murata Electronics 1: $0.75 8,124In Stock	Mfr. Part No. PRG21BC0R2MM1RA Mouser Part No 81-PRG21BC0R2MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	8,124In Stock	Cut Tape $0.75 $0.686 $0.57 $0.546 View Reel $0.313 $0.526 $0.473 $0.448 $0.355 $0.313 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2% NTCRP3VG332JDGBEA TDK 1: $12.30 524In Stock	Mfr. Part No. NTCRP3VG332JDGBEA Mouser Part No 810-NTCRP3VG332JDGBE	TDK	NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2% Learn More about TDK ntcrp thermistor	Datasheet	524In Stock	$12.30 $11.17 $10.74 $10.24 View $9.89 $9.57 $8.93 $8.48	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR EPOXY RADIAL GA5K3A1A TE Connectivity / Measurement Specialties 1: $4.23 1,448In Stock	Mfr. Part No. GA5K3A1A Mouser Part No 824-GA5K3A1A	TE Connectivity / Measurement Specialties	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR EPOXY RADIAL	Datasheet	1,448In Stock	$4.23 $3.81 $3.54 $3.31 View $3.21 $3.13 $2.76 $2.70	Min.: 1 Mult.: 1
Triacs ISO TO220 25A 35mA TRIAC BTA25-600CW3G Littelfuse 1: $6.73 499In Stock	Mfr. Part No. BTA25-600CW3G Mouser Part No 863-BTA25-600CW3G	Littelfuse	Triacs ISO TO220 25A 35mA TRIAC	Datasheet	499In Stock	$6.73 $3.63 $3.58	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10k 3980 1.5% 150mW B57025M2103A001 TDK 1: $7.57 582In Stock	Mfr. Part No. B57025M2103A001 Mouser Part No 871-B57025M2103A001	TDK	NTC (Negative Temperature Coefficient) Thermistors 10k 3980 1.5% 150mW Learn More about TDK epcos ntc thermistors	Datasheet	582In Stock	$7.57 $6.80 $6.41 $6.05 View $5.78 $5.48 $5.35 $4.89	Min.: 1 Mult.: 1
Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A B57127P109M301 TDK 1: $2.39 1,487In Stock	Mfr. Part No. B57127P109M301 Mouser Part No 871-B57127P109M301	TDK	Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A Learn More about TDK inrush current limiters	Datasheet	1,487In Stock	$2.39 $2.12 $1.94 $1.92 View $1.67 $1.54 $1.44 $1.42 $1.23	Min.: 1 Mult.: 1
Inrush Current Limiters ICL S235/2.5 M B57235S0259M000 TDK 1: $0.80 5,125In Stock	Mfr. Part No. B57235S0259M000 Mouser Part No 871-B57235S0259M000	TDK	Inrush Current Limiters ICL S235/2.5 M Learn More about TDK epcos inrush current limiters	Datasheet	5,125In Stock	$0.80 $0.737 $0.609 $0.438 View $0.409 $0.387 $0.38 $0.343	Min.: 1 Mult.: 1
Inrush Current Limiters S 236/16 M51 B57236S0160M051 TDK 1: $1.09 3,470In Stock	Mfr. Part No. B57236S0160M051 Mouser Part No 871-B57236S0160M051	TDK	Inrush Current Limiters S 236/16 M51 Learn More about TDK epcos inrush current limiters	Datasheet	3,470In Stock	Cut Tape $1.09 $1.01 $0.832 $0.768 Reel $0.539 View $0.69 $0.636 $0.54 $0.464	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 0603 10K 3% B-4480 NTC B57352V5103H060 TDK 1: $0.40 12,575In Stock	Mfr. Part No. B57352V5103H060 Mouser Part No 871-B57352V5103H60	TDK	NTC (Negative Temperature Coefficient) Thermistors 0603 10K 3% B-4480 NTC Learn More about TDK b573xv5 ntc thermistors	Datasheet	12,575In Stock	Cut Tape $0.40 $0.352 $0.309 $0.285 View Reel $0.153 $0.251 $0.181 $0.153 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors 0603 10K 5% B-4480 NTC B57371V2103J060 TDK 1: $0.29 20,070In Stock	Mfr. Part No. B57371V2103J060 Mouser Part No 871-B57371V2103J060	TDK	NTC (Negative Temperature Coefficient) Thermistors 0603 10K 5% B-4480 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	20,070In Stock	Cut Tape $0.29 $0.271 $0.239 $0.227 Reel $0.166 View $0.199 $0.169 $0.159 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors K504/10k/A9 2% NTC Therm Databook B57504K0103A009 TDK 1: $4.22 4,621In Stock	Mfr. Part No. B57504K0103A009 Mouser Part No 871-B57504K0103A009	TDK	NTC (Negative Temperature Coefficient) Thermistors K504/10k/A9 2% NTC Therm Databook Learn More about TDK thermistors	Datasheet	4,621In Stock	$4.22 $3.79 $3.62 $3.43 View $3.30 $3.07 $3.06 $2.90 $2.84	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 4.7k 3988 1% 60mW B57800K0472A001 TDK 1: $6.96 348In Stock	Mfr. Part No. B57800K0472A001 Mouser Part No 871-B57800K0472A001	TDK	NTC (Negative Temperature Coefficient) Thermistors 4.7k 3988 1% 60mW Learn More about TDK epcos thermistors		348In Stock	$6.96 $6.27 $6.02 $5.71 View $5.49 $5.21 $4.83 $4.63	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10k 3988 3% B57861S0103F045 TDK 1: $2.65 6,400In Stock	Mfr. Part No. B57861S0103F045 Mouser Part No 871-B57861S103F45	TDK	NTC (Negative Temperature Coefficient) Thermistors 10k 3988 3% Learn More about TDK b57861 ntc thermistors	Datasheet	6,400In Stock	$2.65 $2.54 $2.40 $2.30 View $2.21 $2.03 $1.96 $1.82	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection