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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.
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 56,789In 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	56,789In 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 28,632In Stock	Mfr. Part No. MCR703AT4G Mouser Part No 863-MCR703AT4G	Littelfuse	SCRs 100V 4A	Datasheet	28,632In Stock	Cut Tape $2.32 $1.49 $1.01 $0.804 $0.738 Reel $0.697 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Cartridge Fuses 250V 4A Slo-Blo 0215004.MXEP Littelfuse 1: $3.23 9,351In Stock	Mfr. Part No. 0215004.MXEP Mouser Part No 576-0215004.MXEP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	9,351In Stock	$3.23 $2.68 $2.24 $1.99 View $1.76 $1.64 $1.52 $1.42 $1.40	Min.: 1 Mult.: 1
Cartridge Fuses 250V 8A Medium Acting 0234008.MXP Littelfuse 1: $1.15 23,785In Stock	Mfr. Part No. 0234008.MXP Mouser Part No 576-0234008.MXP	Littelfuse	Cartridge Fuses 250V 8A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	23,785In Stock	$1.15 $0.995 $0.934 $0.788 View $0.754 $0.722 $0.696 $0.653 $0.65	Min.: 1 Mult.: 1
Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A 0487020.MXEP Littelfuse 1: $6.97 3,933In Stock	Mfr. Part No. 0487020.MXEP Mouser Part No 576-0487020.MXEP	Littelfuse	Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A Learn More about Littelfuse 487 series fuses	Datasheet	3,933In Stock	$6.97 $5.79 $5.34 $4.43 View $4.09 $3.67 $3.38 $3.32	Min.: 1 Mult.: 1
Automotive Fuses 60A W/ M6 Holes MIDI 0498060.MXM6 Littelfuse 1: $2.91 10,910In Stock	Mfr. Part No. 0498060.MXM6 Mouser Part No 576-0498060.MXM6	Littelfuse	Automotive Fuses 60A W/ M6 Holes MIDI	Datasheet	10,910In Stock	$2.91 $2.42 $2.23 $1.85 View $1.71 $1.35 $1.26 $1.25	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL 1210L300SLWR Littelfuse 1: $1.88 17,914In Stock	Mfr. Part No. 1210L300SLWR Mouser Part No 576-1210L300SLWR	Littelfuse	Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL Learn More about Littelfuse lorho	Datasheet	17,914In Stock	Cut Tape $1.88 $1.73 $1.44 $1.33 Reel $0.856 View $1.19 $1.10 $1.01 $0.836	Min.: 1 Mult.: 1 : 3,000
Automotive Fuses 100A 48V FUSE STRIP 157.5701.6101 Littelfuse 1: $10.20 3,162In Stock	Mfr. Part No. 157.5701.6101 Mouser Part No 576-157.5701.6101	Littelfuse	Automotive Fuses 100A 48V FUSE STRIP	Datasheet	3,162In Stock	$10.20 $8.47 $7.82 $5.97 View $4.98 $4.86 $4.79	Min.: 1 Mult.: 1
Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A 38311000000 Littelfuse 1: $1.69 22,727In Stock	Mfr. Part No. 38311000000 Mouser Part No 576-38311000000	Littelfuse	Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A Learn More about Littelfuse 383 radial lead fuses	Datasheet	22,727In Stock	$1.69 $1.49 $1.33 $1.14 Reel $0.687 View $0.996 $0.943 $0.83 $0.681	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS 5.0SMDJ33CAS-HRA Littelfuse 1: $32.92 2,210In Stock	Mfr. Part No. 5.0SMDJ33CAS-HRA Mouser Part No 576-5SMDJ33CAS-HRA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS	Datasheet	2,210In Stock	Cut Tape $32.92 $28.31 $26.08 $24.17	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 110V 8.0SMDJ110CA Littelfuse 1: $5.46 8,770In Stock	Mfr. Part No. 8.0SMDJ110CA Mouser Part No 576-8.0SMDJ110CA	Littelfuse	ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 110V Learn More about Littelfuse 80smdj tvs diodes	Datasheet	8,770In Stock	Cut Tape $5.46 $3.66 $2.98 $2.72 View Reel $2.04 $2.41 $2.21 $2.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 12V 8.0SMDJ12CA Littelfuse 1: $5.01 8,528In Stock	Mfr. Part No. 8.0SMDJ12CA Mouser Part No 576-8.0SMDJ12CA	Littelfuse	ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 12V Learn More about Littelfuse 80smdj tvs diodes	Datasheet	8,528In Stock	Cut Tape $5.01 $3.32 $2.59 $2.35 $2.03 Reel $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 450W 36V BI AEC-Q101 AQ36C-01FTG Littelfuse 1: $0.50 425,818In Stock	Mfr. Part No. AQ36C-01FTG Mouser Part No 576-AQ36C-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 450W 36V BI AEC-Q101 Learn More about Littelfuse aqx tvs diode arrays	Datasheet	425,818In Stock	Cut Tape $0.50 $0.247 $0.222 $0.178 Reel $0.128 $0.117 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic SPXV006.L Littelfuse 1: $29.77 751In Stock	Mfr. Part No. SPXV006.L Mouser Part No 576-SPXV006.L	Littelfuse	Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic Learn More about Littelfuse spxv solarfuse	Datasheet	751In Stock	$29.77 $25.82 $24.15 $19.58 View $19.43 $19.13	Min.: 1 Mult.: 1
Varistors 25VAC 31VDC 9.6J 610 0pF 39 V 65V VG222031Y650DP KYOCERA AVX 1: $1.99 19,620In Stock 8,000Expected 03/05/2027	Mfr. Part No. VG222031Y650DP Mouser Part No 581-VG222031Y650DP	KYOCERA AVX	Varistors 25VAC 31VDC 9.6J 610 0pF 39 V 65V	Datasheet	19,620In Stock 8,000Expected 03/05/2027	Cut Tape $1.99 $1.34 $1.19 $1.13 Reel $1.03 View $1.08 $1.00 $0.998 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p TPD1E10B06QDPYRQ1 Texas Instruments 1: $0.74 162,039In 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	162,039In Stock	Cut Tape $0.74 $0.336 $0.295 $0.224 Reel $0.147 View $0.204 $0.201 $0.131 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

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Circuit Protection

Types of Circuit Protection