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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.
Fuse Clips 80V/FH2 Stackable ATO FUSEHOLDER 178.6116.6001 Littelfuse 1: $1.65 13,083In Stock	Mfr. Part No. 178.6116.6001 Mouser Part No 576-178.6116.6001	Littelfuse	Fuse Clips 80V/FH2 Stackable ATO FUSEHOLDER	Datasheet	13,083In Stock	$1.65 $1.43 $1.16 $0.958 View $0.874 $0.84 $0.804 $0.777 $0.774	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA30A Littelfuse 1: $20.56 588In Stock	Mfr. Part No. 30KPA30A Mouser Part No 576-30KPA30A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	588In Stock	Cut Tape $20.56 $16.51 $15.76 $15.40 $14.34 Reel $12.23	Min.: 1 Mult.: 1 : 800
Industrial & Electrical Fuses 25A 600VAC 250VDC Time-Delay CCMR025.TXP Littelfuse 1: $38.60 171In Stock	Mfr. Part No. CCMR025.TXP Mouser Part No 576-CCMR025.TXP	Littelfuse	Industrial & Electrical Fuses 25A 600VAC 250VDC Time-Delay Learn More about Littelfuse hvac protection control solutions	Datasheet	171In Stock	$38.60 $32.42 $26.29 $24.77 View $22.82 $20.46 $18.82	Min.: 1 Mult.: 1
Triacs 400V 4A Sensing 5-5-5-5mA L4004L5TP Littelfuse 1: $3.01 1,776In Stock	Mfr. Part No. L4004L5TP Mouser Part No 576-L4004L5TP	Littelfuse	Triacs 400V 4A Sensing 5-5-5-5mA	Datasheet	1,776In Stock	$3.01 $1.52 $1.37 $1.24	Min.: 1 Mult.: 1
Triacs 600V 15A 50-50-50mA Q6015L5TP Littelfuse 1: $4.40 1,366In Stock	Mfr. Part No. Q6015L5TP Mouser Part No 576-Q6015L5TP	Littelfuse	Triacs 600V 15A 50-50-50mA Learn More about Littelfuse qtriac	Datasheet	1,366In Stock	$4.40 $2.44 $2.18	Min.: 1 Mult.: 1
Triacs 800V 25A 80-80-80mA Q8025L6TP Littelfuse 1: $6.48 794In Stock	Mfr. Part No. Q8025L6TP Mouser Part No 576-Q8025L6TP	Littelfuse	Triacs 800V 25A 80-80-80mA	Datasheet	794In Stock	$6.48 $3.49 $3.41	Min.: 1 Mult.: 1
SCRs 55A 400V S4055NRP Littelfuse 1: $7.01 1,879In Stock	Mfr. Part No. S4055NRP Mouser Part No 576-S4055NRP	Littelfuse	SCRs 55A 400V	Datasheet	1,879In Stock	Cut Tape $7.01 $4.54 $3.45 Reel $3.15 MouseReel Available	Min.: 1 Mult.: 1 : 500
SCRs 600V 40A 15mA TO220 High Temp 150c SCRs SJ6040R2TP Littelfuse 1: $5.53 883In Stock	Mfr. Part No. SJ6040R2TP Mouser Part No 576-SJ6040R2TP	Littelfuse	SCRs 600V 40A 15mA TO220 High Temp 150c SCRs Learn More about Littelfuse sjxx40x scr	Datasheet	883In Stock	$5.53 $3.72 $2.81	Min.: 1 Mult.: 1
Surface Mount Fuses 1206 0.37AMPS SMD F1206B0R37FSTR KYOCERA AVX 1: $1.63 2,969In Stock	Mfr. Part No. F1206B0R37FSTR Mouser Part No 581-F1206B0R37FSTR	KYOCERA AVX	Surface Mount Fuses 1206 0.37AMPS SMD Learn More about KYOCERA AVX avx accu guard ii fuses	Datasheet	2,969In Stock	Cut Tape $1.63 $1.30 $1.07 $0.955 View Reel $0.617 $0.869 $0.792 $0.73 $0.617 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 1206 35volts 45A 50.4V to 61.6V Vishay / BC Components MLV1206E33503T MLV1206E33503T Vishay / BC Components 1: $0.62 6,758In Stock	Mfr. Part No. MLV1206E33503T Mouser Part No 594-MLV1206E33503T	Vishay / BC Components	Varistors 1206 35volts 45A 50.4V to 61.6V Learn More about Vishay / BC Components vishay multilayer varistors	Datasheet	6,758In Stock	Cut Tape $0.62 $0.392 $0.317 $0.303 Reel $0.255 View $0.291 $0.249 $0.246 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 10K/2% 3984K/0.5% AEC-Q200 70mm NTCALUG03A103GCA Vishay / BC Components 1: $2.79 1,336In Stock	Mfr. Part No. NTCALUG03A103GCA Mouser Part No 594-NTCALUG03A103GCA	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors 10K/2% 3984K/0.5% AEC-Q200 70mm Learn More about Vishay / BC Components vishay ntcalug rohs thermistors	Datasheet	1,336In Stock	$2.79 $2.28 $1.84 $1.72 View $1.63 $1.43 $1.38 $1.28	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 47k 1% SMD High B AUTO GRADE Vishay / BC Components NTCS0402E3473FXT NTCS0402E3473FXT Vishay / BC Components 1: $0.27 8,624In Stock	Mfr. Part No. NTCS0402E3473FXT Mouser Part No 594-NTCS0402E3473FXT	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors 47k 1% SMD High B AUTO GRADE Learn More about Vishay / BC Components vishay bc components ntcs e3 thermistors	Datasheet	8,624In Stock	Cut Tape $0.27 $0.238 $0.212 $0.196 View Reel $0.172 $0.178 $0.173 $0.172 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3% Vishay / BC Components NTCS0805E3683HXT NTCS0805E3683HXT Vishay / BC Components 1: $0.45 7,906In Stock	Mfr. Part No. NTCS0805E3683HXT Mouser Part No 594-NTCS0805E3683HXT	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3% Learn More about Vishay / BC Components vishay bc components ntcs e3 thermistors	Datasheet	7,906In Stock	Cut Tape $0.45 $0.42 $0.391 $0.372 View Reel $0.252 $0.352 $0.306 $0.284 $0.252 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 1500W 7.5V SMCJ7.5A-13-F Diodes Incorporated 1: $2.22 15,301In Stock	Mfr. Part No. SMCJ7.5A-13-F Mouser Part No 621-SMCJ7.5A-13-F	Diodes Incorporated	ESD Protection Diodes / TVS Diodes 1500W 7.5V	Datasheet	15,301In Stock	Cut Tape $2.22 $1.20 $1.07 $0.952 View Reel $0.532 $0.743 $0.64 $0.532 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect 5KP160A-E3/54 Vishay Semiconductors 1: $4.12 1,221In Stock	Mfr. Part No. 5KP160A-E3/54 Mouser Part No 625-5KP160A-E3	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect Learn More about Vishay Semiconductors vishay tvs esd diodes	Datasheet	1,221In Stock	Cut Tape $4.12 $2.76 $2.14 $1.92 Reel $1.50 View $1.51 $1.35	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 600W 24V Bidirect P6KE24CA-E3/54 Vishay Semiconductors 1: $1.05 10,495In Stock	Mfr. Part No. P6KE24CA-E3/54 Mouser Part No 625-P6KE24CA-E3	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W 24V Bidirect Learn More about Vishay Semiconductors vishay tvs esd diodes	Datasheet	10,495In Stock	Cut Tape $1.05 $0.512 $0.428 $0.326 View Reel $0.234 $0.311 $0.295 $0.234	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 500W 15V Unidirect Vishay Semiconductors SA15A-E3/73 SA15A-E3/73 Vishay Semiconductors 1: $1.36 5,608In Stock	Mfr. Part No. SA15A-E3/73 Mouser Part No 625-SA15A-E3/73	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 500W 15V Unidirect Learn More about Vishay Semiconductors vishay tvs esd diodes	Datasheet	5,608In Stock	$1.36 $0.855 $0.635 $0.564 Reel $0.295 View $0.439 $0.38 $0.276	Min.: 1 Mult.: 1 : 2,000
Thermal Cut-offs Super HC TCO 90C w/o projection AC90ABD Bourns 1: $1.66 1,458In Stock	Mfr. Part No. AC90ABD Mouser Part No 652-AC90ABD	Bourns	Thermal Cut-offs Super HC TCO 90C w/o projection Learn More about Bourns ac tco devices	Datasheet	1,458In Stock	$1.66 $1.58 $1.49 $1.42 View $1.36 $1.15 $1.05 $1.04	Min.: 1 Mult.: 1
Resettable Fuses - PPTC PTC 0.08A 250V SMD 2920 TELECOM MF-SM008/250F-2 Bourns 1: $0.59 11,573In Stock	Mfr. Part No. MF-SM008/250F-2 Mouser Part No 652-MF-SM008/250F-2	Bourns	Resettable Fuses - PPTC PTC 0.08A 250V SMD 2920 TELECOM Learn More about Bourns multifuse	Datasheet	11,573In Stock	Cut Tape $0.59 $0.544 $0.451 $0.417 Reel $0.311 View $0.375 $0.319 $0.286 $0.267 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Thermal Cut-offs Trip Temp 72c 5c TOL NR72AB0 Bourns 1: $1.35 3,011In Stock	Mfr. Part No. NR72AB0 Mouser Part No 652-NR72AB0	Bourns	Thermal Cut-offs Trip Temp 72c 5c TOL Learn More about Bourns komatsulite nr c	Datasheet	3,011In Stock	$1.35 $1.31 $1.26 $1.22 View $1.18 $1.17 $0.989 $0.911 $0.802	Min.: 1 Mult.: 1
Thermal Cut-offs HC TCO 85C BL-51 SA85SB0 Bourns 1: $0.93 7,337In Stock	Mfr. Part No. SA85SB0 Mouser Part No 652-SA85SB0	Bourns	Thermal Cut-offs HC TCO 85C BL-51 Learn More about Bourns sa smt breaker	Datasheet	7,337In Stock	Cut Tape $0.93 $0.876 $0.821 $0.783 View Reel $0.489 $0.749 $0.719 $0.626 $0.584 $0.489 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thermal Cut-offs 72C Low Profile SMD HC TCO SC72AAB Bourns 1: $0.95 4,902In Stock	Mfr. Part No. SC72AAB Mouser Part No 652-SC72AAB	Bourns	Thermal Cut-offs 72C Low Profile SMD HC TCO Learn More about Bourns sc mini breakers	Datasheet	4,902In Stock	Cut Tape $0.95 $0.898 $0.842 $0.803 View Reel $0.504 $0.768 $0.739 $0.635 $0.601 $0.504 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thermal Cut-offs 82C Low Profile SMD HC TCO SC82AAB Bourns 1: $0.95 6,496In Stock	Mfr. Part No. SC82AAB Mouser Part No 652-SC82AAB	Bourns	Thermal Cut-offs 82C Low Profile SMD HC TCO Learn More about Bourns sc mini breakers	Datasheet	6,496In Stock	Cut Tape $0.95 $0.898 $0.841 $0.802 View Reel $0.487 $0.767 $0.739 $0.652 $0.57 $0.487 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 1.25A Fast Acting 0603 SinglFuse SF-0603F125-2 Bourns 1: $0.64 8,184In Stock	Mfr. Part No. SF-0603F125-2 Mouser Part No 652-SF-0603F125-2	Bourns	Surface Mount Fuses 1.25A Fast Acting 0603 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	8,184In Stock	Cut Tape $0.64 $0.509 $0.429 $0.377 View Reel $0.237 $0.339 $0.312 $0.288 $0.265 $0.237 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 2A Fast Acting 0603 SinglFuse SF-0603F200-2 Bourns 1: $0.64 17,026In Stock	Mfr. Part No. SF-0603F200-2 Mouser Part No 652-SF-0603F200-2	Bourns	Surface Mount Fuses 2A Fast Acting 0603 SinglFuse Learn More about Bourns fast acting thin film smd fuses	Datasheet	17,026In Stock	Cut Tape $0.64 $0.509 $0.429 $0.377 View Reel $0.237 $0.339 $0.312 $0.288 $0.265 $0.237 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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Circuit Protection

Types of Circuit Protection