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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 Zen TVS 600W 60V UNI SOD-123FL TR13 SZSMF6L60AT3G Littelfuse 1: $0.97 10,015In Stock New Product	Mfr. Part No. SZSMF6L60AT3G Mouser Part No 576-SZSMF6L60AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 60V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	10,015In Stock	Cut Tape $0.97 $0.609 $0.389 $0.29 Reel $0.199 View $0.235 $0.203 $0.169 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2 PESD36VS1UL-QYL Nexperia 1: $0.31 9,917In Stock New Product	Mfr. Part No. PESD36VS1UL-QYL Mouser Part No 771-PESD36VS1UL-QYL New Product	Nexperia	ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2	Datasheet	9,917In Stock	Cut Tape $0.31 $0.213 $0.108 $0.087 Reel $0.045 View $0.081 $0.079 $0.04 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS Vishay TA6F24CAHM3/H TA6F24CAHM3/H Vishay 1: $0.97 3,146In Stock New Product	Mfr. Part No. TA6F24CAHM3/H Mouser Part No 78-TA6F24CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	3,146In Stock	Cut Tape $0.97 $0.494 $0.396 $0.299 Reel $0.249 View $0.283 $0.21 $0.192 $0.188	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN33A2-03GHE3A08 Vishay 1: $0.57 14,529In Stock New Product	Mfr. Part No. VCAN33A2-03GHE3A08 Mouser Part No 78-VCAN33A2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	14,529In Stock	Cut Tape $0.57 $0.269 $0.227 $0.169 Reel $0.117 View $0.151 $0.115 $0.098 $0.093 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV AQ3118-02JTG Littelfuse 1: $1.34 1,948In Stock New Product	Mfr. Part No. AQ3118-02JTG Mouser Part No 576-AQ3118-02JTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV Learn More about Littelfuse aq3118 02jtg tvs diode array	Datasheet	1,948In Stock	Cut Tape $1.34 $0.84 $0.55 $0.425 $0.361 Reel $0.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 SZSMF6L51CAT3G Littelfuse 1: $1.02 4,750In Stock New Product	Mfr. Part No. SZSMF6L51CAT3G Mouser Part No 576-SZSMF6L51CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		4,750In Stock	Cut Tape $1.02 $0.644 $0.411 $0.307 Reel $0.18 View $0.248 $0.214 $0.153 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V SDD32C36L01-LV YAGEO 1: $0.38 18,559In Stock New Product	Mfr. Part No. SDD32C36L01-LV Mouser Part No 603-SDD32C36L01-LV New Product	YAGEO	ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V	Datasheet	18,559In Stock	Cut Tape $0.38 $0.261 $0.128 $0.107 Reel $0.064 View $0.074 $0.061 $0.054 $0.044 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS Vishay TA6F30CAHM3/H TA6F30CAHM3/H Vishay 1: $0.91 2,305In Stock New Product	Mfr. Part No. TA6F30CAHM3/H Mouser Part No 78-TA6F30CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	2,305In Stock	Cut Tape $0.91 $0.47 $0.371 $0.28 Reel $0.20 View $0.269 $0.199 $0.179 $0.176	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A Vishay VESD29D1-HD1HG3-08 VESD29D1-HD1HG3-08 Vishay 1: $0.52 9,750In Stock 10,000Expected 23/11/2026 New Product	Mfr. Part No. VESD29D1-HD1HG3-08 Mouser Part No 78-VESD29D1-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
ESD Protection Diodes / TVS Diodes TVS 2KA RATED 170V BI SMTO218 L LTKAK2-170C-L Littelfuse 1: $27.88 154In Stock	Mfr. Part No. LTKAK2-170C-L Mouser Part No 576-LTKAK2-170C-L	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 2KA RATED 170V BI SMTO218 L Learn More about Littelfuse ltkak2 l tvs diodes	Datasheet	154In Stock	$27.88 $20.50 $19.69 $19.68	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ160A Littelfuse 1: $5.46 5,404In Stock	Mfr. Part No. TP5.0SMDJ160A Mouser Part No 576-TP5.0SMDJ160A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	5,404In Stock	Cut Tape $5.46 $3.66 $3.23 $2.90 View Reel $2.07 $2.58 $2.21 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 5 dia Power NTC 5ohm Y kink bulk BN-LG05Y5R0MYB Bourns 1: $0.28 13,566In Stock	Mfr. Part No. BN-LG05Y5R0MYB Mouser Part No 652-BN-LG05Y5R0MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 5 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	13,566In Stock	$0.28 $0.246 $0.216 $0.183 View $0.164 $0.155 $0.138 $0.113	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5KW,540V 5%,UNIDIR,SMC TVS Vishay Semiconductors 1.5SMC540AHM3_B/H 1.5SMC540AHM3_B/H Vishay Semiconductors 1: $2.17 2,844In Stock	Mfr. Part No. 1.5SMC540AHM3_B/H Mouser Part No 78-1.5SMC540AHM3_B/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,540V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	2,844In Stock	Cut Tape $2.17 $1.39 $1.05 $0.927 Reel $0.664 View $0.694 $0.585 $0.584 $0.537	Min.: 1 Mult.: 1 : 850
ESD Protection Diodes / TVS Diodes 600W,47V 5%, DFN3820A TVS 6DFN47A-M3/I Vishay Semiconductors 1: $0.76 12,125In Stock	Mfr. Part No. 6DFN47A-M3/I Mouser Part No 78-6DFN47A-M3/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,47V 5%, DFN3820A TVS Learn More about Vishay Semiconductors vishay 6dfn12a to 6dfn51a tvs diodes	Datasheet	12,125In Stock	Cut Tape $0.76 $0.346 $0.305 $0.232 View Reel $0.152 $0.213 $0.209 $0.152	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS SM50T39AY STMicroelectronics 1: $2.78 2,364In Stock	Mfr. Part No. SM50T39AY Mouser Part No 511-SM50T39AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 33 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2,364In Stock	Cut Tape $2.78 $1.75 $1.40 $1.26 Reel $0.844 View $1.01 $0.898 $0.764 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 24V 30kV SOT23-3L Diode Array AEC-Q101 AQ24COME-02HTG Littelfuse 1: $0.92 10,151In Stock	Mfr. Part No. AQ24COME-02HTG Mouser Part No 576-AQ24COME-02HTG	Littelfuse	ESD Protection Diodes / TVS Diodes 24V 30kV SOT23-3L Diode Array AEC-Q101 Learn More about Littelfuse aq24come 02htg tvs diode	Datasheet	10,151In Stock	Cut Tape $0.92 $0.418 $0.369 $0.283 Reel $0.20 View $0.278 $0.198 $0.172 $0.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ150CA Littelfuse 1: $5.46 5,415In Stock	Mfr. Part No. TP5.0SMDJ150CA Mouser Part No 576-TP5.0SMDJ150CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	5,415In 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 T6N33AHM3/I T6N33AHM3/I Vishay Semiconductors 1: $0.75 27,725In Stock	Mfr. Part No. T6N33AHM3/I Mouser Part No 625-T6N33AHM3/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	27,725In Stock	Cut Tape $0.75 $0.351 $0.295 $0.241 Reel $0.174 View $0.237 $0.218 $0.212 $0.166	Min.: 1 Mult.: 1 : 14,000
ESD Protection Diodes / TVS Diodes Low-profile version 600 W uni-directional TVS in DFN3820A package with Automotive grade Vishay Semiconductors T6N36AHM3/I T6N36AHM3/I Vishay Semiconductors 1: $0.82 27,410In Stock	Mfr. Part No. T6N36AHM3/I Mouser Part No 625-T6N36AHM3/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	27,410In Stock	Cut Tape $0.82 $0.356 $0.306 $0.248 Reel $0.16 View $0.237 $0.218 $0.212 $0.143	Min.: 1 Mult.: 1 : 14,000
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 10ohm Y kink bulk BN-LG15Y100MYB Bourns 1: $0.95 7,765In Stock	Mfr. Part No. BN-LG15Y100MYB Mouser Part No 652-BN-LG15Y100MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 10ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	7,765In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.403 $0.369	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk BN-LG15Y2R5MYB Bourns 1: $0.95 10,124In Stock	Mfr. Part No. BN-LG15Y2R5MYB Mouser Part No 652-BN-LG15Y2R5MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 2.5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	10,124In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.403 $0.369	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 3ohm Y kink bulk BN-LG15Y3R0MYB Bourns 1: $0.95 7,919In Stock	Mfr. Part No. BN-LG15Y3R0MYB Mouser Part No 652-BN-LG15Y3R0MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 3ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	7,919In Stock	$0.95 $0.828 $0.787 $0.687 View $0.621 $0.574 $0.521 $0.477 $0.426	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.2ohm Y kink bulk BN-LG20Y2R2MYB Bourns 1: $1.58 4,493In Stock	Mfr. Part No. BN-LG20Y2R2MYB Mouser Part No 652-BN-LG20Y2R2MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 2.2ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	4,493In 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 5ohm Y kink bulk BN-LG20Y5R0MYB Bourns 1: $1.32 5,659In Stock	Mfr. Part No. BN-LG20Y5R0MYB Mouser Part No 652-BN-LG20Y5R0MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	5,659In Stock	$1.32 $1.18 $0.974 $0.916 View $0.817 $0.813 $0.729 $0.669 $0.621	Min.: 1 Mult.: 1
Industrial Surge Protectors 1-Pair Surface Mount Signal Line Surge Protective Device (SPD), Indoor, 24V, screw terminals B180-24D3 Citel 1: $104.55 42In Stock	Mfr. Part No. B180-24D3 Mouser Part No 703-B180-24D3	Citel	Industrial Surge Protectors 1-Pair Surface Mount Signal Line Surge Protective Device (SPD), Indoor, 24V, screw terminals Learn More about Citel surge suppressors	Datasheet	42In Stock	$104.55 $93.83 $73.17 View Quote	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection