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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 600W,27V 5%, SlimSMA BIDIR TVS Vishay TA6F27CAHM3/H TA6F27CAHM3/H Vishay 1: $0.91 3,284In Stock New Product	Mfr. Part No. TA6F27CAHM3/H Mouser Part No 78-TA6F27CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	3,284In Stock	Cut Tape $0.91 $0.568 $0.371 $0.28 Reel $0.233 View $0.254 $0.179 $0.176	Min.: 1 Mult.: 1 : 3,500
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
Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect PE73SP1038 Pasternack 1: $129.50 6In Stock New Product	Mfr. Part No. PE73SP1038 Mouser Part No 28-PE73SP1038 New Product	Pasternack	Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect Learn More about Pasternack rf coaxial lightning surge protectors	Datasheet	6In Stock	$129.50 $114.65 $113.61 $111.52 View $108.19 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN36C2-03GHE3A08 Vishay 1: $0.59 14,930In Stock New Product	Mfr. Part No. VCAN36C2-03GHE3A08 Mouser Part No 78-VCAN36C2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	14,930In 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
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter AL-LSXM-ME PolyPhaser 1: $72.22 12In Stock 4Expected 13/11/2026 New Product	Mfr. Part No. AL-LSXM-ME Mouser Part No 44-AL-LSXM-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 2ghz 6ghz surge protectors	Datasheet	12In Stock 4Expected 13/11/2026	$72.22 $68.37	Min.: 1 Mult.: 1
Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K BR220 Eaton Electrical 1: $162.05 3In Stock New Product	Mfr. Part No. BR220 Mouser Part No 504-BR220 New Product	Eaton Electrical	Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K	Datasheet	3In Stock	$162.05 $134.37 $125.21 $103.12 View $95.79 Quote	Min.: 1 Mult.: 1
Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap GEB3080AFM Eaton Electrical 1: $1,171.71 1In Stock New Product	Mfr. Part No. GEB3080AFM Mouser Part No 504-GEB3080AFM New Product	Eaton Electrical	Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap	Datasheet	1In Stock	$1,171.71	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU PDG23G0020TFFN Eaton Electrical 1: $674.16 3In Stock New Product	Mfr. Part No. PDG23G0020TFFN Mouser Part No 504-PDG23G0020TFFN New Product	Eaton Electrical	Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU	Datasheet	3In Stock	$674.16 $531.40 $489.84 View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 20012616-00 TE Connectivity 1: $382.17 1In Stock New Product	Mfr. Part No. 20012616-00 Mouser Part No 571-20012616-00 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	$382.17 $306.69 $303.91 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 SZSMF6L18CAT3G Littelfuse 1: $1.02 3,151In Stock New Product	Mfr. Part No. SZSMF6L18CAT3G Mouser Part No 576-SZSMF6L18CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		3,151In 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 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
Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698 PE73SP1061 Pasternack 1: $203.42 1In Stock New Product	Mfr. Part No. PE73SP1061 Mouser Part No 28-PE73SP1061 New Product	Pasternack	Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698	Datasheet	1In Stock	$203.42 $181.70 $178.23 $177.57 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 SZSMF6L58AT3G Littelfuse 1: $0.97 3,742In Stock New Product	Mfr. Part No. SZSMF6L58AT3G Mouser Part No 576-SZSMF6L58AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	3,742In 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 SOD-962 VRMW 15V 1uA TVS Diodes DF2S20ASL,L3F Toshiba 1: $0.19 9,110In Stock New Product	Mfr. Part No. DF2S20ASL,L3F Mouser Part No 757-DF2S20ASLL3F New Product	Toshiba	ESD Protection Diodes / TVS Diodes SOD-962 VRMW 15V 1uA TVS Diodes	Datasheet	9,110In Stock	Cut Tape $0.19 $0.128 $0.063 $0.052 Reel $0.023 View $0.039 $0.034 $0.032 $0.022	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A Vishay VESD16D1-HD1HG3-08 VESD16D1-HD1HG3-08 Vishay 1: $0.52 9,750In Stock 10,000Expected 19/11/2026 New Product	Mfr. Part No. VESD16D1-HD1HG3-08 Mouser Part No 78-VESD16D1-HD1H3-08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A		9,750In Stock 10,000Expected 19/11/2026	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

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Circuit Protection

Types of Circuit Protection