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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.
Varistors 1206 30V 200A 500pF B72520T300K62 TDK 1: $0.30 103,119In Stock	Mfr. Part No. B72520T300K62 Mouser Part No 871-B72520T300K62	TDK	Varistors 1206 30V 200A 500pF Learn More about TDK epcosvaristors	Datasheet	103,119In Stock	Cut Tape $0.30 $0.222 Reel $0.222 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors High Surge MLV Max Op VRMS 50 B72540T6500K062 TDK 1: $3.05 8,509In Stock	Mfr. Part No. B72540T6500K062 Mouser Part No 871-B72540T6500K062	TDK	Varistors High Surge MLV Max Op VRMS 50 Learn More about TDK ctvs varistors	Datasheet	8,509In Stock	Cut Tape $3.05 $2.47 $2.26 $2.08 Reel $1.92 View $1.99 $1.84 $1.80 $1.77 MouseReel Available	Min.: 1 Mult.: 1 : 600
Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698 PE73SP1061 Pasternack 1: $203.46 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	$203.46 $181.73 $178.26 $177.60 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 $0.39 $0.29 Reel $0.171 View $0.235 $0.204 $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 $0.04 $0.034 $0.033 $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 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	Cut Tape $0.52 $0.362 $0.177 $0.148 Reel $0.074 View $0.104 $0.09 $0.085 $0.067	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323 Vishay VLIN3333-02GHE3A08 VLIN3333-02GHE3A08 Vishay 1: $0.57 7,694In Stock New Product	Mfr. Part No. VLIN3333-02GHE3A08 Mouser Part No 78-VLIN3333-02HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323	Datasheet	7,694In Stock	Cut Tape $0.57 $0.397 $0.194 $0.162 Reel $0.097 View $0.113 $0.092 $0.073	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode 20KPA300CA Littelfuse 1: $18.61 4,178In Stock	Mfr. Part No. 20KPA300CA Mouser Part No 576-20KPA300CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Learn More about Littelfuse tvsdiodes	Datasheet	4,178In Stock	Cut Tape $18.61 $15.98 Reel $15.98	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA48CA Littelfuse 1: $24.47 2,598In Stock	Mfr. Part No. 30KPA48CA Mouser Part No 576-30KPA48CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	2,598In Stock	Cut Tape $24.47 $17.90 $16.48 $16.46 $16.04 Reel $16.04	Min.: 1 Mult.: 1 : 800
NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% B57703M0103A017 TDK 1: $3.35 17,534In Stock	Mfr. Part No. B57703M0103A017 Mouser Part No 871-B57703M0103A017	TDK	NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% Learn More about TDK epcos ntc thermistors	Datasheet	17,534In Stock	$3.35 $3.21 $3.04 $2.91 View $2.70 $2.69 $2.54 $2.47 $2.29	Min.: 1 Mult.: 1
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: $129.52 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	$129.52 $114.67 $113.63 $111.54 View $108.21 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 $0.176 Reel $0.122 View $0.142 $0.12 $0.102 $0.087	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic QC1100 Eaton Electrical 1: $415.12 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	$415.12 $320.49 $303.30 View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 20016752-01 TE Connectivity 1: $951.53 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	$951.53 $763.51 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 $0.39 $0.29 Reel $0.171 View $0.235 $0.204 $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 $0.39 $0.29 Reel $0.199 View $0.235 $0.204 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K CH340 Eaton Electrical 1: $619.81 3In Stock New Product	Mfr. Part No. CH340 Mouser Part No 504-CH340 New Product	Eaton Electrical	Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K	Datasheet	3In Stock	$619.81 $506.13 $481.17 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG2 DOOR H&LE W/MECH STD W/MECH PADLOCK PDG2XHMDSP Eaton Electrical 1: $152.85 5In Stock New Product	Mfr. Part No. PDG2XHMDSP Mouser Part No 504-PDG2XHMDSP New Product	Eaton Electrical	Circuit Breaker Accessories PDG2 DOOR H&LE W/MECH STD W/MECH PADLOCK	Datasheet	5In Stock	$152.85 $135.72 $126.48 $123.27 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS Vishay TA6F20CAHM3/H TA6F20CAHM3/H Vishay 1: $0.97 3,007In Stock New Product	Mfr. Part No. TA6F20CAHM3/H Mouser Part No 78-TA6F20CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	3,007In Stock	Cut Tape $0.97 $0.607 $0.397 $0.299 Reel $0.249 View $0.272 $0.192 $0.188 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS Vishay TA6F27CAHM3/H TA6F27CAHM3/H Vishay 1: $0.911 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 $0.911 $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 $0.176 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 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	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: $1.90 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 $1.90 $1.59 $1.28 $1.11 Reel $0.902 View $1.07 $0.868 $0.815 $0.714	Min.: 1 Mult.: 1 : 500
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 $0.426 $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 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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Circuit Protection

Types of Circuit Protection