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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.
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN33C2-03GHE3A08 Vishay 1: $0.59 14,600In Stock New Product	Mfr. Part No. VCAN33C2-03GHE3A08 Mouser Part No 78-VCAN33C2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	14,600In Stock	Cut Tape $0.59 $0.368 $0.235 $0.175 Reel $0.122 View $0.142 $0.12 $0.102 $0.087	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A Vishay VESD26D1-HD1HG3-08 VESD26D1-HD1HG3-08 Vishay 1: $0.52 9,750In Stock 10,000Expected 23/11/2026 New Product	Mfr. Part No. VESD26D1-HD1HG3-08 Mouser Part No 78-VESD26D1-HD1H3-08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A		9,750In Stock 10,000Expected 23/11/2026	Cut Tape $0.52 $0.233 $0.177 $0.148 Reel $0.074 View $0.13 $0.128 $0.067	Min.: 1 Mult.: 1 : 10,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v B88069X4231T502 TDK 1: $1.89 766In Stock New Product	Mfr. Part No. B88069X4231T502 Mouser Part No 871-B88069X4231T502 New Product	TDK	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v Learn More about TDK epcos b88069x surge arresters	Datasheet	766In Stock	Cut Tape $1.89 $1.59 $1.28 $1.11 Reel $0.902 View $1.07 $0.867 $0.815 $0.712	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 28 V TVS SM50T33AY STMicroelectronics 1: $2.43 2,450In Stock	Mfr. Part No. SM50T33AY Mouser Part No 511-SM50T33AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 28 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,450In Stock	Cut Tape $2.43 $1.64 $1.39 $1.25 Reel $0.844 View $1.01 $0.898 $0.764 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 1A 0408001.WR Littelfuse 1: $1.58 4,941In Stock	Mfr. Part No. 0408001.WR Mouser Part No 576-0408001.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 1A Learn More about Littelfuse 408 series fuses	Datasheet	4,941In Stock	Cut Tape $1.58 $1.41 $1.32 $1.09 View Reel $0.644 $0.92 $0.886 $0.763 $0.703 $0.644 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 33ohm Y kink bulk BN-LG15Y330MYB Bourns 1: $0.95 7,658In Stock	Mfr. Part No. BN-LG15Y330MYB Mouser Part No 652-BN-LG15Y330MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 33ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	7,658In Stock	$0.95 $0.793 $0.716 $0.662 View $0.587 $0.56 $0.537 $0.457	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 10ohm Y kink bulk BN-LG20Y100MYB Bourns 1: $1.58 4,328In Stock	Mfr. Part No. BN-LG20Y100MYB Mouser Part No 652-BN-LG20Y100MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 10ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	4,328In Stock	$1.58 $1.19 $0.945 $0.889 View $0.867 $0.729 $0.676 $0.621	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.5ohm Y kink bulk BN-LG20Y2R5MYB Bourns 1: $1.58 5,398In Stock	Mfr. Part No. BN-LG20Y2R5MYB Mouser Part No 652-BN-LG20Y2R5MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	5,398In Stock	$1.58 $1.19 $0.945 $0.889 View $0.867 $0.729 $0.676 $0.621	Min.: 1 Mult.: 1
Varistors ChipGuard 0201 0.05pF 12VDC CG0201MLU-12H Bourns 1: $0.56 27,094In Stock	Mfr. Part No. CG0201MLU-12H Mouser Part No 652-CG0201MLU-12H	Bourns	Varistors ChipGuard 0201 0.05pF 12VDC Learn More about Bourns chipguard cg0201mlu esd protectors	Datasheet	27,094In Stock	Cut Tape $0.56 $0.173 $0.132 $0.101 View Reel $0.08 $0.098 $0.096 $0.093 $0.086 $0.08 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Varistors ChipGuard 0201 0.05pF 15VDC CG0201MLU-15H Bourns 1: $0.35 28,960In Stock	Mfr. Part No. CG0201MLU-15H Mouser Part No 652-CG0201MLU-15H	Bourns	Varistors ChipGuard 0201 0.05pF 15VDC Learn More about Bourns chipguard cg0201mlu esd protectors	Datasheet	28,960In Stock	Cut Tape $0.35 $0.195 $0.161 $0.128 View Reel $0.089 $0.124 $0.12 $0.116 $0.094 $0.089 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 600W,13V 5%, DFN3820A TVS 6DFN13A-M3/I Vishay Semiconductors 1: $0.76 21,564In Stock	Mfr. Part No. 6DFN13A-M3/I Mouser Part No 78-6DFN13A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,13V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	21,564In Stock	Cut Tape $0.76 $0.346 $0.305 $0.232 View Reel $0.123 $0.231 $0.213 $0.209 $0.123	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes ESD 33V BI Vishay Semiconductors VCAN33A2-HT5-G3-08 VCAN33A2-HT5-G3-08 Vishay Semiconductors 1: $0.50 42,748In Stock	Mfr. Part No. VCAN33A2-HT5-G3-08 Mouser Part No 78-VCAN33A2HT5G308	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD 33V BI Learn More about Vishay Semiconductors vishay vcan33a2 ht5 vcan36a2 ht5 diodes	Datasheet	42,748In Stock	Cut Tape $0.50 $0.223 $0.196 $0.146 Reel $0.083 View $0.137 $0.118 $0.116 $0.077	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ100A Littelfuse 1: $5.46 4,194In Stock	Mfr. Part No. TP5.0SMDJ100A Mouser Part No 576-TP5.0SMDJ100A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	4,194In Stock	Cut Tape $5.46 $3.66 $3.05 $2.77 Reel $2.00 View $2.45 $2.21 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ150A Littelfuse 1: $5.46 5,520In Stock	Mfr. Part No. TP5.0SMDJ150A Mouser Part No 576-TP5.0SMDJ150A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	5,520In Stock	Cut Tape $5.46 $3.66 $3.05 $2.77 Reel $2.00 View $2.45 $2.21 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade Vishay Semiconductors T6N24AHM3/I T6N24AHM3/I Vishay Semiconductors 1: $0.79 22,701In Stock	Mfr. Part No. T6N24AHM3/I Mouser Part No 625-T6N24AHM3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade Learn More about Vishay Semiconductors vishay surface mount par transient suppressors	Datasheet	22,701In Stock	Cut Tape $0.79 $0.371 $0.327 $0.25 Reel $0.174 View $0.237 $0.218 $0.212 $0.167	Min.: 1 Mult.: 1 : 14,000
NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk BN-LG13Y5R0MYB Bourns 1: $0.81 11,068In Stock	Mfr. Part No. BN-LG13Y5R0MYB Mouser Part No 652-BN-LG13Y5R0MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,068In Stock	$0.81 $0.624 $0.538 $0.519 View $0.442 $0.384 $0.354 $0.319	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk BN-LG15Y121MYB Bourns 1: $0.63 9,804In Stock	Mfr. Part No. BN-LG15Y121MYB Mouser Part No 652-BN-LG15Y121MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	9,804In Stock	$0.63 $0.569 $0.557 $0.496 View $0.463 $0.437 $0.325 $0.313 $0.304	Min.: 1 Mult.: 1
Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic QC1100 Eaton Electrical 1: $415.05 1In Stock New Product	Mfr. Part No. QC1100 Mouser Part No 504-QC1100 New Product	Eaton Electrical	Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic	Datasheet	1In Stock	$415.05 $320.43 $303.24 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets TRAVELER3USBC Tripp Lite 1: $28.00 18In Stock New Product	Mfr. Part No. TRAVELER3USBC Mouser Part No 554-TRAVELER3USBC New Product	Tripp Lite	Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets	Datasheet	18In Stock	$28.00 $26.14 $25.37 $23.68 View $22.99 $22.32 $21.84 Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 20016752-01 TE Connectivity 1: $951.36 1In Stock New Product	Mfr. Part No. 20016752-01 Mouser Part No 571-20016752-01 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	$951.36 $763.37 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 SZSMF6L12AT3G Littelfuse 1: $0.97 4,945In Stock New Product	Mfr. Part No. SZSMF6L12AT3G Mouser Part No 576-SZSMF6L12AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	4,945In Stock	Cut Tape $0.97 $0.609 $0.389 $0.29 Reel $0.171 View $0.235 $0.203 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 600W 6.5V UNI SOD-123FL TR13 SZSMF6L6.5AT3G Littelfuse 1: $0.97 5,000In Stock New Product	Mfr. Part No. SZSMF6L6.5AT3G Mouser Part No 576-SZSMF6L6.5AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 6.5V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		5,000In Stock	Cut Tape $0.97 $0.609 $0.389 $0.29 Reel $0.199 View $0.235 $0.203 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Fuse Holder 32x6.3mm FUSEHOLDER FX0180/BK Bulgin 1: $10.65 4,423In Stock	Mfr. Part No. FX0180/BK Mouser Part No 422-FX0180/BK	Bulgin	Fuse Holder 32x6.3mm FUSEHOLDER	Datasheet	4,423In Stock	$10.65 $7.50 $6.91 $6.27 View $5.49 $4.85 $4.76 $4.70 Quote	Min.: 1 Mult.: 1
Surface Mount Fuses SMF NANO CLIP VFA 260C 1A 0157001.DR Littelfuse 1: $3.65 12,643In Stock	Mfr. Part No. 0157001.DR Mouser Part No 576-0157001.DR	Littelfuse	Surface Mount Fuses SMF NANO CLIP VFA 260C 1A	Datasheet	12,643In Stock	Cut Tape $3.65 $3.32 $3.19 $2.47 View Reel $1.57 $2.19 $2.05 $1.83 $1.58 $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Automotive Fuses 5100 Ohm 0.25W MINI 02400108P Littelfuse 1: $14.92 3,690In Stock	Mfr. Part No. 02400108P Mouser Part No 576-02400108P	Littelfuse	Automotive Fuses 5100 Ohm 0.25W MINI	Datasheet	3,690In Stock	$14.92 $12.37 $11.40 $9.47 View $8.73 $7.83 $7.58 Quote	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection