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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.
Fuse Holder 32x6.3mm FUSEHOLDER FX0180/BK Bulgin 1: $10.65 4,423In Stock	Mfr. Part No. FX0180/BK Mouser Part No 422-FX0180/BK	Bulgin	Fuse Holder 32x6.3mm FUSEHOLDER	Datasheet	4,423In Stock	$10.65 $7.47 $6.88 $6.25 View $5.48 $4.85 $4.76 $4.69	Min.: 1 Mult.: 1
Surface Mount Fuses SMF NANO CLIP VFA 260C 1A 0157001.DR Littelfuse 1: $3.65 12,643In Stock	Mfr. Part No. 0157001.DR Mouser Part No 576-0157001.DR	Littelfuse	Surface Mount Fuses SMF NANO CLIP VFA 260C 1A	Datasheet	12,643In Stock	Cut Tape $3.65 $3.32 $3.19 $2.47 View Reel $1.57 $2.19 $2.05 $1.83 $1.58 $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Automotive Fuses 5100 Ohm 0.25W MINI 02400108P Littelfuse 1: $14.92 3,690In Stock	Mfr. Part No. 02400108P Mouser Part No 576-02400108P	Littelfuse	Automotive Fuses 5100 Ohm 0.25W MINI	Datasheet	3,690In Stock	$14.92 $12.37 $11.40 $9.47 View $8.73 $7.83 $7.58 Quote	Min.: 1 Mult.: 1
Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting 0273003.H Littelfuse 1: $8.98 4,827In Stock	Mfr. Part No. 0273003.H Mouser Part No 576-0273003.H	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	4,827In Stock	$8.98 $7.96 $7.31 $6.36 View $5.69 $5.58 $5.34	Min.: 1 Mult.: 1
Surface Mount Fuses .5A 63V FAST ACTING FUSE AEC-Q200 0438.500WRA Littelfuse 1: $1.64 54,894In Stock	Mfr. Part No. 0438.500WRA Mouser Part No 576-0438.500WRA	Littelfuse	Surface Mount Fuses .5A 63V FAST ACTING FUSE AEC-Q200 Learn More about Littelfuse 438a fuses	Datasheet	54,894In Stock	Cut Tape $1.64 $1.51 $1.26 $1.16 View Reel $0.69 $1.04 $0.957 $0.882 $0.69 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Fuse Holder 5X20MM Pitch 22/7 UL94V0 Open 0PTF0078P Littelfuse 1: $0.77 56,774In Stock	Mfr. Part No. 0PTF0078P Mouser Part No 576-0PTF0078P	Littelfuse	Fuse Holder 5X20MM Pitch 22/7 UL94V0 Open Learn More about Littelfuse _fuseholders	Datasheet	56,774In Stock	$0.77 $0.65 $0.582 $0.492 View $0.455 $0.413 $0.379 $0.348 $0.32	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500W 495V Bi-Directional 1.5KE550CA Littelfuse 1: $1.19 54,274In Stock	Mfr. Part No. 1.5KE550CA Mouser Part No 576-1.5KE550CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1500W 495V Bi-Directional Learn More about Littelfuse 1.5ke series diodes	Datasheet	54,274In Stock	Cut Tape $1.19 $0.875 $0.737 $0.656 Reel $0.38 View $0.513 $0.336	Min.: 1 Mult.: 1 : 1,200
Automotive Fuses 100A 58V TIME DELAY 142.5395.6102 Littelfuse 1: $21.10 2,688In Stock	Mfr. Part No. 142.5395.6102 Mouser Part No 576-142.5395.6102	Littelfuse	Automotive Fuses 100A 58V TIME DELAY	Datasheet	2,688In Stock	$21.10 $13.44 $12.45 $11.09 $10.65	Min.: 1 Mult.: 1
Fuse Holder JCase w/Cover 8AWG Standard HLJC1002G Littelfuse 1: $17.79 2,202In Stock	Mfr. Part No. HLJC1002G Mouser Part No 576-HLJC1002G	Littelfuse	Fuse Holder JCase w/Cover 8AWG Standard Learn More about Littelfuse jcase fhj cartridge fuse holders	Datasheet	2,202In Stock	$17.79 $14.76 $13.59 $11.69 View $10.41 $9.34 $8.71	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5V .15pF 22kV SP0402B-ELC-01ETG Littelfuse 1: $0.69 409,570In Stock	Mfr. Part No. SP0402B-ELC-01ETG Mouser Part No 576-SP0402BELC-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V .15pF 22kV Learn More about Littelfuse ultra low cap tvs spa diodes	Datasheet	409,570In Stock	Cut Tape $0.69 $0.312 $0.274 $0.208 Reel $0.113 View $0.185 $0.182 $0.107 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT GTCS23-900M-R01-2 Littelfuse 1: $0.98 46,996In Stock	Mfr. Part No. GTCS23-900M-R01-2 Mouser Part No 650-GTCS23-900MR01-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	46,996In Stock	Cut Tape $0.98 $0.90 $0.747 $0.689 Reel $0.484 View $0.619 $0.571 $0.568 $0.463 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes 3kA 430V PTVS Diode Bidirectional PTVS3-430C-TH Bourns 1: $57.43 1,133In Stock	Mfr. Part No. PTVS3-430C-TH Mouser Part No 652-PTVS3-430C-TH	Bourns	ESD Protection Diodes / TVS Diodes 3kA 430V PTVS Diode Bidirectional Learn More about Bourns PTVS	Datasheet	1,133In Stock	$57.43 $44.82 $42.46 $40.34	Min.: 1 Mult.: 1
SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt Vishay Semiconductors VS-40TPS12LHM3 VS-40TPS12LHM3 Vishay Semiconductors 1: $7.98 10,966In Stock	Mfr. Part No. VS-40TPS12LHM3 Mouser Part No 78-VS-40TPS12LHM3	Vishay Semiconductors	SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt Learn More about Vishay Semiconductors vishay aec q101 scr thyristors	Datasheet	10,966In Stock	$7.98 $4.31 $3.95 $3.66	Min.: 1 Mult.: 1
SCRs 100V 4A MCR703AT4G Littelfuse 1: $2.32 28,631In Stock	Mfr. Part No. MCR703AT4G Mouser Part No 863-MCR703AT4G	Littelfuse	SCRs 100V 4A	Datasheet	28,631In Stock	Cut Tape $2.32 $1.49 $1.01 $0.804 $0.738 Reel $0.697 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Fuse Holder 3AG Inline W/ Red Leads 01500322.HXA Littelfuse 1: $12.12 3,752In Stock	Mfr. Part No. 01500322.HXA Mouser Part No 576-01500322.HXA	Littelfuse	Fuse Holder 3AG Inline W/ Red Leads Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	3,752In Stock	$12.12 $10.86 $9.96 $9.47 View $8.72 $7.66 $7.56	Min.: 1 Mult.: 1
Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) 021806.3MXP Littelfuse 1: $1.28 21,864In Stock	Mfr. Part No. 021806.3MXP Mouser Part No 576-021806.3MXP	Littelfuse	Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) Learn More about Littelfuse 5x20 fuseholders	Datasheet	21,864In Stock	$1.28 $1.20 $0.989 $0.721	Min.: 1 Mult.: 1
Cartridge Fuses 50A 500V NORMAL BLOW 0607050.UXTH500P Littelfuse 1: $17.46 2,630In Stock	Mfr. Part No. 0607050.UXTH500P Mouser Part No 576-0607050.UXTH500P	Littelfuse	Cartridge Fuses 50A 500V NORMAL BLOW Learn More about Littelfuse 607 cartridge fuses	Datasheet	2,630In Stock	$17.46 $14.48 $13.36 $11.07 View $10.20 $9.16 $9.00	Min.: 1 Mult.: 1
Automotive Fuses 58V 60A LP Jcase 0895060.U Littelfuse 1: $2.81 10,613In Stock	Mfr. Part No. 0895060.U Mouser Part No 576-0895060.U	Littelfuse	Automotive Fuses 58V 60A LP Jcase	Datasheet	10,613In Stock	$2.81 $2.34 $1.67 $1.47 View $1.38 $1.21 $1.20	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional 5.0SMDJ51A Littelfuse 1: $2.17 29,277In Stock	Mfr. Part No. 5.0SMDJ51A Mouser Part No 576-5.0SMDJ51A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	29,277In Stock	Cut Tape $2.17 $1.59 $1.19 $1.07 View Reel $0.63 $0.86 $0.793 $0.63 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Fuse Holder Blok 30A 600V 2 Pole Screw Connector L60030C2SQ Littelfuse 1: $25.45 5,377In Stock	Mfr. Part No. L60030C2SQ Mouser Part No 576-L60030C2SQ	Littelfuse	Fuse Holder Blok 30A 600V 2 Pole Screw Connector Learn More about Littelfuse protection products for panels	Datasheet	5,377In Stock	$25.45 $19.73 $18.19 $16.00 View $14.75 $13.34 $13.14	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 66V 10KA LTKAK10-066C Littelfuse 1: $41.66 687In Stock	Mfr. Part No. LTKAK10-066C Mouser Part No 576-LTKAK10-066C	Littelfuse	ESD Protection Diodes / TVS Diodes 66V 10KA Learn More about Littelfuse ltkak6 ltkak10	Datasheet	687In Stock	Cut Tape $41.66 $32.52 $30.80 $27.54 Reel $27.54 MouseReel Available	Min.: 1 Mult.: 1 : 400
Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V V2F105C150Y1FDP KYOCERA AVX 1: $1.44 82,261In Stock	Mfr. Part No. V2F105C150Y1FDP Mouser Part No 581-V2F105C150Y1FDP	KYOCERA AVX	Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V Learn More about KYOCERA AVX avxtransguardvar	Datasheet	82,261In Stock	Cut Tape $1.44 $0.677 $0.602 $0.47 Reel $0.411 $0.373 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 620V 40KA MOV Disc Square 34mm 621KS34 YAGEO 1: $6.48 9,753In Stock	Mfr. Part No. 621KS34 Mouser Part No 603-621KS34	YAGEO	Varistors 620V 40KA MOV Disc Square 34mm Learn More about YAGEO mov overvoltage devices	Datasheet	9,753In Stock	$6.48 $4.98 $4.51 $3.87 View $3.77 $3.73 $3.72	Min.: 1 Mult.: 1
Circuit Breakers PTCB E1 24DC/4A NO 2909906 Phoenix Contact 1: $30.11 1,205In Stock	Mfr. Part No. 2909906 Mouser Part No 651-2909906	Phoenix Contact	Circuit Breakers PTCB E1 24DC/4A NO Learn More about Phoenix Contact ptcb circuit breakers	Datasheet	1,205In Stock	$30.11	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes P6SMB - A 160V P6SMB160A-Q Bourns 1: $0.99 119,948In Stock	Mfr. Part No. P6SMB160A-Q Mouser Part No 652-P6SMB160A-Q	Bourns	ESD Protection Diodes / TVS Diodes P6SMB - A 160V Learn More about Bourns p6smb q	Datasheet	119,948In Stock	Cut Tape $0.99 $0.619 $0.396 $0.295 Reel $0.205 View $0.239 $0.165 $0.132 $0.128 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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Circuit Protection

Types of Circuit Protection