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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 600W,18V 5%,UNIDIR,SMB TVS SMBJ18AHE3_B/H Vishay Semiconductors 1: 0,697 € 5.549In Stock	Mfr. Part No. SMBJ18AHE3_B/H Mouser Part No 78-SMBJ18AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,18V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	5.549In Stock	Cut Tape 0,697 € 0,431 € 0,278 € 0,142 € Reel 0,133 €	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes 600W,30V 5%,UNIDIR,SMB TVS SMBJ30AHE3_B/H Vishay Semiconductors 1: 0,697 € 5.618In Stock	Mfr. Part No. SMBJ30AHE3_B/H Mouser Part No 78-SMBJ30AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,30V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	5.618In Stock	Cut Tape 0,697 € 0,431 € 0,278 € 0,138 € Reel 0,133 €	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes 600W,6.0V 5%,UNIDIR,SMB TVS SMBJ6.0AHE3_B/I Vishay Semiconductors 1: 0,731 € 6.350In Stock	Mfr. Part No. SMBJ6.0AHE3_B/I Mouser Part No 78-SMBJ6.0AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,6.0V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	6.350In Stock	Cut Tape 0,731 € 0,459 € 0,298 € 0,228 € Reel 0,176 € View 0,205 € 0,162 € 0,155 € 0,144 €	Min.: 1 Mult.: 1 : 3.200
ESD Protection Diodes / TVS Diodes AEC-Q101 VCUT03G1-SD0HG4-08 Vishay Semiconductors 1: 0,284 € 12.000In Stock	Mfr. Part No. VCUT03G1-SD0HG4-08 Mouser Part No 78-VCUT03G1SD0HG408	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes AEC-Q101 Learn More about Vishay Semiconductors vishay bisy clp esd diodes	Datasheet	12.000In Stock	Cut Tape 0,284 € 0,199 € 0,097 € 0,082 € View Reel 0,034 € 0,057 € 0,049 € 0,045 € 0,04 € 0,034 €	Min.: 1 Mult.: 1 : 15.000
ESD Protection Diodes / TVS Diodes Automotive 5000 W, 20 V TVS SM50T23AY STMicroelectronics 1: 2,00 € 2.490In Stock	Mfr. Part No. SM50T23AY Mouser Part No 511-SM50T23AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 5000 W, 20 V TVS Learn More about STMicroelectronics stm sm50txay 5000w tvs	Datasheet	2.490In Stock	Cut Tape 2,00 € 1,12 € 0,946 € 0,796 € Reel 0,642 € View 0,691 € 0,621 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500
ESD Protection Diodes / TVS Diodes TVS 2KA RATED 170V BI SMTO218 L LTKAK2-170C-L Littelfuse 1: 23,97 € 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	23,97 € 17,62 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ160A Littelfuse 1: 4,64 € 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 4,64 € 2,70 € 2,38 € 2,11 € 1,90 € Reel 1,76 € 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: 0,206 € 13.568In 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	13.568In Stock	0,206 € 0,188 € 0,164 € 0,144 € View 0,138 € 0,131 € 0,117 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5KW,250V 5%,UNIDIR,SMC TVS 1.5SMC250AHM3_B/H Vishay Semiconductors 1: 1,72 € 3.290In Stock	Mfr. Part No. 1.5SMC250AHM3_B/H Mouser Part No 78-1.5SMC250AHM3_B/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,250V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	3.290In Stock	Cut Tape 1,72 € 0,886 € 0,755 € 0,587 € Reel 0,536 € View 0,477 € 0,476 €	Min.: 1 Mult.: 1 : 850
ESD Protection Diodes / TVS Diodes 1.5KW,540V 5%,UNIDIR,SMC TVS 1.5SMC540AHM3_B/H Vishay Semiconductors 1: 1,72 € 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 1,72 € 0,903 € 0,755 € 0,597 € Reel 0,536 € View 0,526 € 0,525 €	Min.: 1 Mult.: 1 : 850
ESD Protection Diodes / TVS Diodes 600W,47V 5%, DFN3820A TVS 6DFN47A-M3/I Vishay Semiconductors 1: 0,636 € 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 0,636 € 0,298 € 0,252 € 0,192 € Reel 0,129 € View 0,162 € 0,151 € 0,136 € 0,122 €	Min.: 1 Mult.: 1 : 14.000
ESD Protection Diodes / TVS Diodes 1-Line 9V 39.0A TVS DO-214AA(SMB) SMBJ9.0CA Semtech 1: 1,01 € 6.206In Stock	Mfr. Part No. SMBJ9.0CA Mouser Part No 947-SMBJ9.0CA	Semtech	ESD Protection Diodes / TVS Diodes 1-Line 9V 39.0A TVS DO-214AA(SMB) Learn More about Semtech smbjxxca tvs	Datasheet	6.206In Stock	Cut Tape 1,01 € 0,477 € 0,414 € 0,32 € Reel 0,239 € View 0,29 € 0,228 € 0,222 € 0,207 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Industrial Surge Protectors TLP410UCUFOAM TLP410UCUFOAM Tripp Lite Restricted Availability	Mfr. Part No. TLP410UCUFOAM Mouser Part No 545-TLP410UCUFOAM	Tripp Lite	Industrial Surge Protectors TLP410UCUFOAM	Datasheet			Restricted Availability
ESD Protection Diodes / TVS Diodes 1.5KW,51V 5%,UNIDIR,SMC TVS 1.5SMC51AHE3_A/I Vishay Semiconductors 1: 1,03 € 3.471In Stock	Mfr. Part No. 1.5SMC51AHE3_A/I Mouser Part No 78-1.5SMC51AHE3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,51V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	3.471In Stock	Cut Tape 1,03 € 0,646 € 0,423 € 0,328 € Reel 0,257 € View 0,297 € 0,25 €	Min.: 1 Mult.: 1 : 3.500
ESD Protection Diodes / TVS Diodes 8W,11V 5%,SMD PAR SM8S11AHM3/I Vishay 1: 4,45 € 410In Stock	Mfr. Part No. SM8S11AHM3/I Mouser Part No 78-SM8S11AHM3/I	Vishay	ESD Protection Diodes / TVS Diodes 8W,11V 5%,SMD PAR	Datasheet	410In Stock	Cut Tape 4,45 € 2,68 € 2,14 € 1,62 € Reel 1,51 €	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes 400W,15V 5%,UNIDIR,SMA TVS SMAJ15AHM3_A/H Vishay Semiconductors 1: 0,55 € 1.645In Stock 7.200Expected 10/14/2026	Mfr. Part No. SMAJ15AHM3_A/H Mouser Part No 78-SMAJ15AHM3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,15V 5%,UNIDIR,SMA TVS	Datasheet	1.645In Stock 7.200Expected 10/14/2026	Cut Tape 0,55 € 0,339 € 0,217 € 0,186 € Reel 0,125 € View 0,147 € 0,112 €	Min.: 1 Mult.: 1 : 1.800
ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS SMCJ18AHM3_A/H Vishay Semiconductors 1: 1,09 € 2.422In Stock	Mfr. Part No. SMCJ18AHM3_A/H Mouser Part No 78-SMCJ18AHM3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS	Datasheet	2.422In Stock	Cut Tape 1,09 € 0,687 € 0,452 € 0,352 € Reel 0,316 € 0,285 €	Min.: 1 Mult.: 1 : 850
NTC (Negative Temperature Coefficient) Thermistors NCU15XW152E60RC Murata Electronics 1: 0,112 € 9.675In Stock	Mfr. Part No. NCU15XW152E60RC Mouser Part No 81-NCU15XW152E60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9.675In Stock	Cut Tape 0,112 € 0,096 € 0,085 € 0,07 € Reel 0,049 € View 0,061 € 0,058 € 0,052 € 0,046 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A QOU225H5283 Schneider Electric 1: 173,72 € 1In Stock New At Mouser	Mfr. Part No. QOU225H5283 Mouser Part No 996-QOU225H5283 New At Mouser	Schneider Electric	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A	Datasheet	1In Stock	173,72 €	Min.: 1 Mult.: 1
Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Panel 120/240 Vac Split-Phase MOV 160 kA, UL 1449 5th Ed. Type 2 1101-808-MM-1 Transtector 1: 2.318,04 € 2In Stock Restricted Availability New At Mouser	Mfr. Part No. 1101-808-MM-1 Mouser Part No 21-1101-808-MM-1 New At Mouser	Transtector	Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Panel 120/240 Vac Split-Phase MOV 160 kA, UL 1449 5th Ed. Type 2 Learn More about Transtector apex imax spds	Datasheet	2In Stock	2.318,04 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Circuit Breaker Accessories X20080110 E-T-A 1: 12,30 € 1.587In Stock	Mfr. Part No. X20080110 Mouser Part No 457-X20080110	E-T-A	Circuit Breaker Accessories	Datasheet	1.587In Stock	12,30 € 11,68 € 11,09 € 10,45 € View 9,84 € 9,23 € Quote	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2.5A 3.6X10 FA PT PB-FREE 087402.5MXEP Littelfuse 1: 2,52 € 1.376In Stock	Mfr. Part No. 087402.5MXEP Mouser Part No 576-087402.5MXEP	Littelfuse	Cartridge Fuses 250V 2.5A 3.6X10 FA PT PB-FREE Learn More about Littelfuse axial lead cartridge fuses	Datasheet	1.376In Stock	2,52 € 2,30 € 2,22 € 1,75 € View 1,48 € 1,38 € 1,37 € 1,25 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA72A Littelfuse 1: 18,15 € 553In Stock	Mfr. Part No. 30KPA72A Mouser Part No 576-30KPA72A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	553In Stock	Cut Tape 18,15 € 13,58 € 12,63 € Reel 12,55 €	Min.: 1 Mult.: 1 : 800
PTC (Positive Temperature Coefficient) Thermistors TFPT08055K01%ET1E3 TFPT0805L5001FM Vishay / Dale 1: 1,09 € 5.000In Stock New At Mouser	Mfr. Part No. TFPT0805L5001FM Mouser Part No 71-TFPT0805L5001FM New At Mouser	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors TFPT08055K01%ET1E3	Datasheet	5.000In Stock	1,09 € 0,818 € 0,654 € 0,616 € View 0,60 € 0,505 € 0,47 € 0,43 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTORS 135-105QAF-J02 Honeywell 1: 20,49 € 242In Stock	Mfr. Part No. 135-105QAF-J02 Mouser Part No 785-135-105QAF-J02	Honeywell	NTC (Negative Temperature Coefficient) Thermistors THERMISTORS	Datasheet	242In Stock	20,49 € 18,63 € 17,07 € 16,44 € View 13,97 € 13,73 € 13,42 € Quote	Min.: 1 Mult.: 1

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