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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 .075A 2.0mohm Brown Thin Film Fuses 0201 F0201G0R07FNTR\500 KYOCERA AVX 1: $0.71 4,320In Stock	Mfr. Part No. F0201G0R07FNTR\500 Mouser Part No 581-F0201G0R07FNTR\5	KYOCERA AVX	Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201 Learn More about KYOCERA AVX avx accu guard low current fuses	Datasheet	4,320In Stock	Cut Tape $0.71 $0.573 $0.482 $0.424 Reel $0.35 View $0.381 $0.323 $0.298 $0.26 MouseReel Available	Min.: 1 Mult.: 1 : 500
NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm Vishay NTCAFLEX05103GL NTCAFLEX05103GL Vishay 1: $3.03 179In Stock	Mfr. Part No. NTCAFLEX05103GL Mouser Part No 594-NTCAFLEX05103GL	Vishay	NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm Learn More about Vishay _NTCAFLEX05	Datasheet	179In Stock	$3.03 $2.28 $2.02 $1.92 View $1.86 $1.62 $1.54 $1.49	Min.: 1 Mult.: 1
Fuse Holder CFB1 FUSE BLOCK 150A FUSE CFB1-150 Bourns 1: $73.42 7In Stock 40Expected 28/12/2026	Mfr. Part No. CFB1-150 Mouser Part No 652-CFB1-150	Bourns	Fuse Holder CFB1 FUSE BLOCK 150A FUSE Learn More about Bourns cfb riedon fuse blocks	Datasheet	7In Stock 40Expected 28/12/2026	$73.42 $61.48 $57.34 $45.82 View $44.50 $43.93	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,22V 5%,UNIDIR,SMA TVS P4SMA22AHM3_A/I Vishay Semiconductors 1: $1.02 7,330In Stock	Mfr. Part No. P4SMA22AHM3_A/I Mouser Part No 78-P4SMA22AHM3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,22V 5%,UNIDIR,SMA TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	7,330In Stock	Cut Tape $1.02 $0.642 $0.41 $0.306 View Reel $0.153 $0.247 $0.214 $0.21 $0.153	Min.: 1 Mult.: 1 : 7,500
ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS Vishay Semiconductors SMB10J12AHE3_B/H SMB10J12AHE3_B/H Vishay Semiconductors 1: $1.44 2,383In Stock	Mfr. Part No. SMB10J12AHE3_B/H Mouser Part No 78-SMB10J12AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,383In Stock	Cut Tape $1.44 $0.899 $0.59 $0.433 Reel $0.394 $0.299	Min.: 1 Mult.: 1 : 750
NTC (Negative Temperature Coefficient) Thermistors NCU15WM154J60RC Murata Electronics 1: $0.13 10,000In Stock	Mfr. Part No. NCU15WM154J60RC Mouser Part No 81-NCU15WM154J60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	10,000In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.051	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW153E60RC Murata Electronics 1: $0.13 9,259In Stock	Mfr. Part No. NCU15XW153E60RC Mouser Part No 81-NCU15XW153E60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,259In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.051	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW222J60RC Murata Electronics 1: $0.13 9,796In Stock	Mfr. Part No. NCU15XW222J60RC Mouser Part No 81-NCU15XW222J60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,796In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.053	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW223J60RC Murata Electronics 1: $0.13 9,998In Stock	Mfr. Part No. NCU15XW223J60RC Mouser Part No 81-NCU15XW223J60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,998In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.051	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW223J6SRC Murata Electronics 1: $0.11 9,520In Stock	Mfr. Part No. NCU15XW223J6SRC Mouser Part No 81-NCU15XW223J6SRC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	9,520In Stock	$0.11 $0.086 $0.076 $0.065 View $0.057 $0.054 $0.049 $0.043 $0.042	Min.: 1 Mult.: 1
Circuit Breaker Accessories MPR SURGE SUPPRESSOR MPR-SS L-Com 1: $168.94 5In Stock New At Mouser	Mfr. Part No. MPR-SS Mouser Part No 17-MPR-SS New At Mouser	L-Com	Circuit Breaker Accessories MPR SURGE SUPPRESSOR		5In Stock	$168.94 $147.74 $145.45 $142.42 View Quote	Min.: 1 Mult.: 1
Fuse Holder CFB1 FUSE BLOCK, NO FUSE CFB1-NF Bourns 1: $51.93 21In Stock	Mfr. Part No. CFB1-NF Mouser Part No 652-CFB1-NF	Bourns	Fuse Holder CFB1 FUSE BLOCK, NO FUSE Learn More about Bourns cfb riedon fuse blocks	Datasheet	21In Stock	$51.93 $43.07 $39.73 $29.80 View $29.29 $28.79	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS P4SMA16CAHM3_A/I Vishay Semiconductors 1: $1.00 7,180In Stock	Mfr. Part No. P4SMA16CAHM3_A/I Mouser Part No 78-P4SMA16CAHM3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	7,180In Stock	Cut Tape $1.00 $0.622 $0.406 $0.306 View Reel $0.196 $0.278 $0.255 $0.249 $0.196	Min.: 1 Mult.: 1 : 7,500
ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Vishay Semiconductors SM6T33AHE3_B/I SM6T33AHE3_B/I Vishay Semiconductors 1: $0.91 2,823In Stock	Mfr. Part No. SM6T33AHE3_B/I Mouser Part No 78-SM6T33AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,823In Stock	Cut Tape $0.91 $0.567 $0.37 $0.279 Reel $0.233 View $0.254 $0.179	Min.: 1 Mult.: 1 : 3,200
Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink GV4PE115N Schneider Electric 1: $1,031.22 1In Stock New At Mouser	Mfr. Part No. GV4PE115N Mouser Part No 996-GV4PE115N New At Mouser	Schneider Electric	Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink	Datasheet	1In Stock	$1,031.22	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V GDT28H-110-B Bourns 1: $2.20 198In Stock	Mfr. Part No. GDT28H-110-B Mouser Part No 652-GDT28H-110-B	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V Learn More about Bourns gdt212e gdt216e gdt220e gdt225e gdts	Datasheet	198In Stock	$2.20 $1.88 $1.51 $1.29 View $1.15 $1.04 $1.00 $0.958 $0.929	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,45V 5%,BIDIR,SMA TVS SMAJ45CAHE3_A/H Vishay Semiconductors 1: $0.80 8,980In Stock	Mfr. Part No. SMAJ45CAHE3_A/H Mouser Part No 78-SMAJ45CAHE3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,45V 5%,BIDIR,SMA TVS	Datasheet	8,980In Stock	Cut Tape $0.80 $0.497 $0.325 $0.245 Reel $0.203 View $0.223 $0.198 $0.157	Min.: 1 Mult.: 1 : 1,800
ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS SMAJ6.0CAHE3_A/H Vishay Semiconductors 1: $0.80 8,776In Stock	Mfr. Part No. SMAJ6.0CAHE3_A/H Mouser Part No 78-SMAJ6.0CAHE3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS	Datasheet	8,776In Stock	Cut Tape $0.80 $0.424 $0.323 $0.244 Reel $0.20 View $0.20 $0.161 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 1,800
ESD Protection Diodes / TVS Diodes 600W,26V 5%,BIDIR,SMB TVS SMBJ26CAHM3_B/I Vishay Semiconductors 1: $1.23 2,740In Stock	Mfr. Part No. SMBJ26CAHM3_B/I Mouser Part No 78-SMBJ26CAHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,26V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,740In Stock	Cut Tape $1.23 $0.766 $0.503 $0.369 Reel $0.309 View $0.336 $0.276 $0.255 MouseReel Available	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS SMBJ5.0AHM3_B/I Vishay Semiconductors 1: $1.09 6,263In Stock	Mfr. Part No. SMBJ5.0AHM3_B/I Mouser Part No 78-SMBJ5.0AHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	6,263In Stock	Cut Tape $1.09 $0.68 $0.444 $0.335 Reel $0.279 View $0.304 $0.258 $0.215 MouseReel Available	Min.: 1 Mult.: 1 : 3,200
NTC (Negative Temperature Coefficient) Thermistors NCU15WF104FBSRC Murata Electronics 1: $0.13 6,646In Stock	Mfr. Part No. NCU15WF104FBSRC Mouser Part No 81-NCU15WF104FBSRC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	6,646In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.052	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15WM474E6SRC Murata Electronics 1: $0.11 6,715In Stock	Mfr. Part No. NCU15WM474E6SRC Mouser Part No 81-NCU15WM474E6SRC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	6,715In Stock	$0.11 $0.086 $0.076 $0.065 View $0.057 $0.054 $0.049 $0.044	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW222E6SRC Murata Electronics 1: $0.11 7,265In Stock	Mfr. Part No. NCU15XW222E6SRC Mouser Part No 81-NCU15XW222E6SRC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	7,265In Stock	Cut Tape $0.11 $0.086 $0.076 $0.065 Reel $0.043 View $0.057 $0.054 $0.049 $0.042 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC (Negative Temperature Coefficient) Thermistors NCU15XW472E60RC Murata Electronics 1: $0.13 8,765In Stock	Mfr. Part No. NCU15XW472E60RC Mouser Part No 81-NCU15XW472E60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	8,765In Stock	$0.13 $0.112 $0.099 $0.081 View $0.071 $0.068 $0.061 $0.057 $0.051	Min.: 1 Mult.: 1
Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 QV6012NH5TP Littelfuse 1: $5.31 1,100In Stock	Mfr. Part No. QV6012NH5TP Mouser Part No 576-QV6012NH5TP	Littelfuse	Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 Learn More about Littelfuse qvxx12xhx high temp triacs	Datasheet	1,100In Stock	$5.31 $3.53 $2.52 $2.13	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection