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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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Types of Circuit Protection

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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.
Surface Mount Fuses 125VAC 3A .034ohms 452 NANO2 0452003.NRL Littelfuse 1: 2,69 € 12 970In Stock	Mfr. Part No. 0452003.NRL Mouser Part No 576-0452003.NRL	Littelfuse	Surface Mount Fuses 125VAC 3A .034ohms 452 NANO2 Learn More about Littelfuse 452 454 smt fuses	Datasheet	12 970In Stock	Cut Tape 2,69 € 2,31 € 2,15 € 1,77 € View Reel 1,19 € 1,59 € 1,47 € 1,32 € 1,23 € 1,19 € 1,19 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000
Cartridge Fuses 500V 50A Thru-Hole RoHS 0526050.UXTHP Littelfuse 1: 23,77 € 986In Stock	Mfr. Part No. 0526050.UXTHP Mouser Part No 576-0526050.UXTHP	Littelfuse	Cartridge Fuses 500V 50A Thru-Hole RoHS Learn More about Littelfuse 526 527 cartridge fuses	Datasheet	986In Stock	23,77 € 19,72 € 18,20 € 15,08 € View 13,89 € 13,34 €	Min.: 1 Mult.: 1
Automotive Fuses 30A Low Profile 0895030.Z Littelfuse 1: 2,25 € 11 986In Stock	Mfr. Part No. 0895030.Z Mouser Part No 576-0895030.Z	Littelfuse	Automotive Fuses 30A Low Profile	Datasheet	11 986In Stock	2,25 € 1,87 € 1,82 €	Min.: 1 Mult.: 1
Automotive Fuses STRIP 30 80A W/O HOUSING 156.5610.5801 Littelfuse 1: 1,14 € 29 305In Stock	Mfr. Part No. 156.5610.5801 Mouser Part No 576-156.5610.5801	Littelfuse	Automotive Fuses STRIP 30 80A W/O HOUSING	Datasheet	29 305In Stock	1,14 € 0,955 € 0,877 € 0,727 € View 0,579 € 0,53 € 0,487 €	Min.: 1 Mult.: 1
Fuse Holder HWB18 w/ TPAs PDM31002ZXM Littelfuse 1: 35,02 € 789In Stock 72On Order	Mfr. Part No. PDM31002ZXM Mouser Part No 576-PDM31002ZXM	Littelfuse	Fuse Holder HWB18 w/ TPAs Learn More about Littelfuse hwb18	Datasheet	789In Stock 72On Order On Order Ship Dates Mfr. No: PDM31002ZXM Stock: 789 Can Dispatch Immediately On Order: 36 Expected 04/11/2026 36 Expected 09/11/2026 Factory Lead Time: 15 Weeks	35,02 € 24,47 € 23,13 € 19,22 € View 17,52 € 16,47 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL SP724AHTG Littelfuse 1: 2,35 € 108 001In Stock	Mfr. Part No. SP724AHTG Mouser Part No 576-SP724AHTG	Littelfuse	ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL Learn More about Littelfuse lightning tvs spa diodes	Datasheet	108 001In Stock	Cut Tape 2,35 € 1,42 € 1,14 € 1,01 € View Reel 0,721 € 0,825 € 0,789 € 0,721 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device TPD4S014DSQR Texas Instruments 1: 1,64 € 25 369In Stock	Mfr. Part No. TPD4S014DSQR Mouser Part No 595-TPD4S014DSQR	Texas Instruments	ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device Learn More about Texas Instruments ti tpd4s014	Datasheet	25 369In Stock	Cut Tape 1,64 € 1,10 € 1,09 € 0,929 € Reel 0,771 € View 0,841 € 0,801 € 0,753 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Circuit Breakers TMC 81C 20A 2907573 Phoenix Contact 1: 18,55 € 1 677In Stock	Mfr. Part No. 2907573 Mouser Part No 651-2907573	Phoenix Contact	Circuit Breakers TMC 81C 20A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	1 677In Stock	18,55 €	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 15V 100MA-HD 40A MAX MF-FSMF010X-2 Bourns 1: 0,327 € 104 713In Stock	Mfr. Part No. MF-FSMF010X-2 Mouser Part No 652-MF-FSMF010X-2	Bourns	Resettable Fuses - PPTC 15V 100MA-HD 40A MAX Learn More about Bourns multifuse	Datasheet	104 713In Stock	Cut Tape 0,327 € 0,317 € Reel 0,317 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000
Surface Mount Fuses 1.5A 110V TIME DELAY SF-1206SA150W-2 Bourns 1: 0,808 € 114 141In Stock	Mfr. Part No. SF-1206SA150W-2 Mouser Part No 652-SF-1206SA150W-2	Bourns	Surface Mount Fuses 1.5A 110V TIME DELAY Learn More about Bourns aec q200 singlfuse fuses	Datasheet	114 141In Stock	Cut Tape 0,808 € 0,745 € 0,617 € 0,57 € Reel 0,376 € View 0,513 € 0,473 € 0,435 € 0,345 € MouseReel Available	Min.: 1 Mult.: 1 : 3 500
Circuit Breakers 40A TOGGLE ACTUATOR W31-X2M1G-40 TE Connectivity / P&B 1: 49,81 € 422In Stock	Mfr. Part No. W31-X2M1G-40 Mouser Part No 655-W31-X2M1G-40	TE Connectivity / P&B	Circuit Breakers 40A TOGGLE ACTUATOR	Datasheet	422In Stock	49,81 € 49,02 € 43,99 € 41,84 € 41,35 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR 311P18-06S7R6 TE Connectivity / Measurement Specialties 1: 497,54 € 41In Stock	Mfr. Part No. 311P18-06S7R6 Mouser Part No 657-311P18-06S7R6	TE Connectivity / Measurement Specialties	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR	Datasheet	41In Stock	497,54 € 454,87 € 419,00 € 392,85 € View Quote	Min.: 1 Mult.: 1
SCRs 20A If; 1200V Vr TO-247AD 3L VS-30TPS12LHM3 Vishay Semiconductors 1: 5,08 € 6 621In Stock	Mfr. Part No. VS-30TPS12LHM3 Mouser Part No 78-VS-30TPS12LHM3	Vishay Semiconductors	SCRs 20A If; 1200V Vr TO-247AD 3L Learn More about Vishay Semiconductors vishay aec q101 scr thyristors	Datasheet	6 621In Stock	5,08 € 2,95 € 2,55 € 2,12 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 SZSMF33AT1G Littelfuse 1: 0,619 € 178 691In Stock	Mfr. Part No. SZSMF33AT1G Mouser Part No 863-SZSMF33AT1G	Littelfuse	ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 Learn More about Littelfuse tvsdiodes	Datasheet	178 691In Stock	Cut Tape 0,619 € 0,325 € 0,274 € 0,217 € Reel 0,14 € View 0,199 € 0,123 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors TG30-A90XSMD B88069X9991T203 TDK 1: 2,05 € 12 766In Stock	Mfr. Part No. B88069X9991T203 Mouser Part No 871-B88069X9991T203	TDK	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors TG30-A90XSMD	Datasheet	12 766In Stock	Cut Tape 2,05 € 1,89 € 1,57 € 1,44 € Reel 1,01 € View 1,30 € 1,20 € 1,16 € 0,983 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance RCLAMP0508M.TBT Semtech 1: 3,57 € 34 466In Stock	Mfr. Part No. RCLAMP0508M.TBT Mouser Part No 947-RCLAMP0508M.TBT	Semtech	ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance Learn More about Semtech tvs esd suppressors	Datasheet	34 466In Stock	Cut Tape 3,57 € 2,22 € 1,81 € 1,40 € Reel 1,28 € View 1,17 € 1,15 € MouseReel Available	Min.: 1 Mult.: 1 : 500
Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 7A 0408007.WR Littelfuse 1: 1,36 € 2 329In Stock	Mfr. Part No. 0408007.WR Mouser Part No 576-0408007.WR	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 7A Learn More about Littelfuse 408 series fuses	Datasheet	2 329In Stock	Cut Tape 1,36 € 1,21 € 1,14 € 0,937 € View Reel 0,558 € 0,791 € 0,762 € 0,656 € 0,605 € 0,558 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
SCRs 12 Amp High Temperature High dvdt SCR-TO252 SV8012DRP Littelfuse 1: 2,99 € 2 239In Stock	Mfr. Part No. SV8012DRP Mouser Part No 576-SV8012DRP	Littelfuse	SCRs 12 Amp High Temperature High dvdt SCR-TO252 Learn More about Littelfuse sv8012x scrs	Datasheet	2 239In Stock	Cut Tape 2,99 € 1,95 € 1,36 € 1,11 € Reel 1,03 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500
ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS TP5.0SMDJ43CA Littelfuse 1: 3,96 € 4 680In Stock	Mfr. Part No. TP5.0SMDJ43CA Mouser Part No 576-TP5.0SMDJ43CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS Learn More about Littelfuse tp5 0smdj tvs diodes	Datasheet	4 680In Stock	Cut Tape 3,96 € 2,61 € 2,03 € 1,85 € Reel 1,35 € View 1,56 € 1,43 € 1,33 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R TPSMB219A Littelfuse 1: 1,08 € 5 920In Stock	Mfr. Part No. TPSMB219A Mouser Part No 576-TPSMB219A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R Learn More about Littelfuse tpsmb tvs diodes	Datasheet	5 920In Stock	Cut Tape 1,08 € 0,503 € 0,446 € 0,346 € Reel 0,272 € View 0,227 € 0,222 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk BN-LG10Y160MYB Bourns 1: 0,49 € 9 998In Stock	Mfr. Part No. BN-LG10Y160MYB Mouser Part No 652-BN-LG10Y160MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	9 998In Stock	0,49 € 0,415 € 0,341 € 0,28 € View 0,243 € 0,237 € 0,211 € 0,195 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk BN-LG15Y221MYB Bourns 1: 0,817 € 11 898In Stock	Mfr. Part No. BN-LG15Y221MYB Mouser Part No 652-BN-LG15Y221MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11 898In Stock	0,817 € 0,621 € 0,535 € 0,516 € View 0,44 € 0,383 € 0,347 € 0,317 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes RSDT 22V RSDT27RSMTFTL1 ROHM Semiconductor 1: 2,21 € 7 800In Stock	Mfr. Part No. RSDT27RSMTFTL1 Mouser Part No 755-RSDT27RSMTFTL1	ROHM Semiconductor	ESD Protection Diodes / TVS Diodes RSDT 22V Learn More about ROHM Semiconductor rohm rsdtxnsfh tvs	Datasheet	7 800In Stock	Cut Tape 2,21 € 1,49 € 1,14 € 0,963 € Reel 0,691 € View 0,767 € 0,726 € 0,648 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
ESD Protection Diodes / TVS Diodes 1.5KW,480V 5%,UNIDIR,SMC TVS 1.5SMC480AHM3_B/I Vishay Semiconductors 1: 1,87 € 6 393In Stock	Mfr. Part No. 1.5SMC480AHM3_B/I Mouser Part No 78-1.5SMC480AHM3_B/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,480V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	6 393In Stock	Cut Tape 1,87 € 1,20 € 0,963 € 0,797 € Reel 0,513 € View 0,641 € 0,572 € 0,548 € 0,512 € MouseReel Available	Min.: 1 Mult.: 1 : 3 500
ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol SMBJ28A Vishay Semiconductors 1: 0,516 € 52 246In Stock	Mfr. Part No. SMBJ28A Mouser Part No 78-SMBJ28A	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol Learn More about Vishay Semiconductors vishay smbjxxd tvs	Datasheet	52 246In Stock	Cut Tape 0,516 € 0,321 € 0,205 € 0,153 € Reel 0,123 € View 0,106 € 0,104 € 0,089 € 0,084 € MouseReel Available	Min.: 1 Mult.: 1 : 750

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