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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 BID Wkg5V 1CH SMD SOD323 Bkdn6V SDD32C36L01-LV YAGEO 1: $0.38 3,559In Stock 15,000Expected 2026/11/11 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	3,559In Stock 15,000Expected 2026/11/11	Cut Tape $0.38 $0.261 $0.128 $0.107 Reel $0.064 View $0.074 $0.057 $0.049 $0.044 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS TA6F30CAHM3/H Vishay 1: $0.88 2,310In 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	2,310In Stock	Cut Tape $0.88 $0.47 $0.352 $0.269 Reel $0.195 View $0.185 $0.172 $0.164	Min.: 1 Mult.: 1 : 3,500
Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K BR220 Eaton Electrical 1: $162.08 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	$162.08 $134.40 $125.23 $103.13 View $95.81 Quote	Min.: 1 Mult.: 1
Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap GEB3080AFM Eaton Electrical 1: $1,171.92 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	$1,171.92	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU PDG23G0020TFFN Eaton Electrical 1: $674.28 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	$674.28 $531.49 $489.93 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 SZSMF6L18CAT3G Littelfuse 1: $0.73 3,161In 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		3,161In Stock	Cut Tape $0.73 $0.447 $0.286 $0.217 Reel $0.15 View $0.195 $0.167 $0.149 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 1-2486200-9 TE Connectivity / P&B 1: $3.95 499In Stock 1,000Expected 2026/10/05 New Product	Mfr. Part No. 1-2486200-9 Mouser Part No 655-1-2486200-9 New Product	TE Connectivity / P&B	Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC Learn More about TE Connectivity / P&B te w52 rocker circuit breakers	Datasheet	499In Stock 1,000Expected 2026/10/05	$3.95 $3.61 $3.47 $2.73 View $2.31 $2.17 $1.91 $1.76	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2 PESD36VS1UL-QYL Nexperia 1: $0.38 9,946In 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	9,946In Stock	Cut Tape $0.38 $0.221 $0.135 $0.097 Reel $0.047 View $0.085 $0.081 $0.04 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS TA6F24CAHM3/H Vishay 1: $0.92 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 $0.92 $0.494 $0.37 $0.283 Reel $0.216 View $0.197 $0.183 $0.176	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN33A2-03GHE3A08 Vishay 1: $0.511 14,849In 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	14,849In Stock	Cut Tape $0.511 $0.269 $0.20 $0.151 Reel $0.114 View $0.098 $0.079 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 0AMA-0050-TD Bel Fuse 1: $8.78 874In Stock	Mfr. Part No. 0AMA-0050-TD Mouser Part No 530-0AMA-0050-TD	Bel Fuse	Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA Learn More about Bel Fuse bel 0ama fast acting fuses	Datasheet	874In Stock	Cut Tape $8.78 $7.29 $6.73 $5.58 Reel $4.19 View $5.14 $4.62 $3.72	Min.: 1 Mult.: 1 : 500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: $1.10 2,812In Stock	Mfr. Part No. GDT25-47-S1-RP Mouser Part No 652-GDT25-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL Learn More about Bourns gdt25 gdt arrestors	Datasheet	2,812In Stock	Cut Tape $1.10 $0.951 $0.829 $0.763 View Reel $0.561 $0.693 $0.576 $0.561 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V GDT28H-270-BRP Bourns 1: $1.77 1,909In Stock	Mfr. Part No. GDT28H-270-BRP Mouser Part No 652-GDT28H-270-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V Learn More about Bourns gdt28h gdts	Datasheet	1,909In Stock	Cut Tape $1.77 $1.65 $1.40 $1.28 Reel $0.877 View $1.15 $1.05 $0.854 $0.846 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
SCRs SCR TO-263AB 1.6KV 16A VS-25TTS16S2L-M3 Vishay 1: $5.73 644In Stock	Mfr. Part No. VS-25TTS16S2L-M3 Mouser Part No 78-VS-25TTS16S2L-M3	Vishay	SCRs SCR TO-263AB 1.6KV 16A	Datasheet	644In Stock	Cut Tape $5.73 $3.83 $2.74 $2.36 Reel $2.36	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 SZSMF6L58AT3G Littelfuse 1: $0.70 4,000In 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	4,000In Stock	Cut Tape $0.70 $0.43 $0.276 $0.209 Reel $0.144 View $0.188 $0.16 $0.142 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 9,260In 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	9,260In Stock	Cut Tape $0.19 $0.128 $0.063 $0.052 Reel $0.024 View $0.037 $0.033 $0.03 $0.023	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN26C2-03GHE3A08 Vishay 1: $0.49 4,279In Stock New Product	Mfr. Part No. VCAN26C2-03GHE3A08 Mouser Part No 78-VCAN26C2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	4,279In Stock	Cut Tape $0.49 $0.331 $0.188 $0.148 Reel $0.105 View $0.126 $0.10 $0.087 $0.083	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323 VLIN3333-02GHE3A08 Vishay 1: $0.48 8,209In 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	8,209In Stock	Cut Tape $0.48 $0.331 $0.167 $0.137 Reel $0.085 View $0.102 $0.081 $0.072 $0.064	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor, Common Anode, SC-59 SZMMQA18VT1G onsemi 1: $0.511 2,566In Stock New Product	Mfr. Part No. SZMMQA18VT1G Mouser Part No 863-SZMMQA18VT1G New Product	onsemi	ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor, Common Anode, SC-59 Learn More about onsemi mmqa szmmqa esd protection diodes	Datasheet	2,566In Stock	Cut Tape $0.511 $0.308 $0.195 Reel $0.195	Min.: 1 Mult.: 1 Max.: 293 : 3,000
NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C NKA502C1R1C Amphenol Advanced Sensors 1: $2.79 14,231In Stock	Mfr. Part No. NKA502C1R1C Mouser Part No 527-NKA502C1R1C	Amphenol Advanced Sensors	NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C Learn More about Amphenol Advanced Sensors amphenol cr1 chip thermistors	Datasheet	14,231In Stock	$2.79 $2.64 $2.47 $2.37 View $2.33 $2.12 $2.11	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p TPD1E10B06QDPYRQ1 Texas Instruments 1: $0.65 166,804In Stock	Mfr. Part No. TPD1E10B06QDPYRQ1 Mouser Part No 595-PD1E10B06QDPYRQ1	Texas Instruments	ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p Learn More about Texas Instruments ti tpd1e10b	Datasheet	166,804In Stock	Cut Tape $0.65 $0.301 $0.254 $0.20 Reel $0.116 View $0.173 $0.147 $0.134 $0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors 20mm Radial Disc MOV - Kinked Leads, T&R MOV-20D781KKTR Bourns 1: $2.06 3,952In Stock	Mfr. Part No. MOV-20D781KKTR Mouser Part No 652-MOV-20D781KKTR	Bourns	Varistors 20mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,952In Stock	Cut Tape $2.06 $1.29 $1.16 $0.948 Reel $0.885 View $0.783 $0.618 $0.583 MouseReel Available	Min.: 1 Mult.: 1 : 250
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN36C2-03GHE3A08 Vishay 1: $0.49 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 $0.49 $0.331 $0.188 $0.148 Reel $0.105 View $0.126 $0.10 $0.087 $0.083	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VLIN26A1-03GHE3A08 Vishay 1: $0.40 8,733In Stock New Product	Mfr. Part No. VLIN26A1-03GHE3A08 Mouser Part No 78-VLIN26A1-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	8,733In Stock	Cut Tape $0.40 $0.262 $0.154 $0.117 Reel $0.086 View $0.104 $0.079 $0.069 $0.066	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V PEC11SD03S1Q_R1_00301 Panjit 1: $0.32 34,620In Stock	Mfr. Part No. PEC11SD03S1Q_R1_00301 Mouser Part No 241-PEC11SD03S1QR131	Panjit	ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V	Datasheet	34,620In Stock	Cut Tape $0.32 $0.142 $0.124 $0.091 Reel $0.056 View $0.079 $0.076 $0.051 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

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