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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 8W,13V 5%,SMD PAR Vishay SM8S13AHM3/I SM8S13AHM3/I Vishay 1: $5.48 1,070In Stock	Mfr. Part No. SM8S13AHM3/I Mouser Part No 78-SM8S13AHM3/I	Vishay	ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR	Datasheet	1,070In Stock	Cut Tape $5.48 $3.61 $2.95 $2.49 Reel $2.13 View $2.22 $1.91 MouseReel Available	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF10A-HE3_A08 Vishay Semiconductors 1: $0.68 30,000In Stock 30,000On Order	Mfr. Part No. SMF10A-HE3_A08 Mouser Part No 78-SMF10A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	30,000In Stock 30,000On Order	Cut Tape $0.68 $0.427 $0.273 $0.204 Reel $0.141 View $0.165 $0.14 $0.117 $0.112	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA260CA Littelfuse 1: $31.81 727In Stock	Mfr. Part No. 30KPA260CA Mouser Part No 576-30KPA260CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	727In Stock	Cut Tape $31.81 $25.18 $23.26 Reel $23.26	Min.: 1 Mult.: 1 : 800
Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET KXT5MOE110-125 ABB 1: $1,541.24 19In Stock New At Mouser	Mfr. Part No. KXT5MOE110-125 Mouser Part No 894-KXT5MOE110-125 New At Mouser	ABB	Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET	Datasheet	19In Stock	$1,541.24	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Vishay Semiconductors SM6T33AHE3_B/H SM6T33AHE3_B/H Vishay Semiconductors 1: $0.911 16,883In Stock	Mfr. Part No. SM6T33AHE3_B/H Mouser Part No 78-SM6T33AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	16,883In Stock	Cut Tape $0.911 $0.568 $0.37 $0.247 Reel $0.233 View $0.222 $0.202 $0.185 $0.179	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF12A-HE3_A08 Vishay Semiconductors 1: $0.68 26,704In Stock	Mfr. Part No. SMF12A-HE3_A08 Mouser Part No 78-SMF12A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	26,704In Stock	Cut Tape $0.68 $0.308 $0.27 $0.204 Reel $0.141 View $0.173 $0.14 $0.117 $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS SMBJ14AHE3_B/I Vishay Semiconductors 1: $0.911 8,748In Stock	Mfr. Part No. SMBJ14AHE3_B/I Mouser Part No 78-SMBJ14AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	8,748In Stock	Cut Tape $0.911 $0.568 $0.37 $0.279 Reel $0.233 View $0.254 $0.215 $0.179	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF28A-HE3_A08 Vishay Semiconductors 1: $0.68 17,155In Stock	Mfr. Part No. SMF28A-HE3_A08 Mouser Part No 78-SMF28A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	17,155In Stock	Cut Tape $0.68 $0.427 $0.273 $0.204 Reel $0.141 View $0.165 $0.14 $0.117 $0.102	Min.: 1 Mult.: 1 : 3,000
Thermal Cut-offs THERMAL PROTECTOR RP-12A Sensata Technologies 1: $16.06 525In Stock 1,000Expected 2026/11/18 New Product	Mfr. Part No. RP-12A Mouser Part No 874-RP-12A New Product	Sensata Technologies	Thermal Cut-offs THERMAL PROTECTOR Learn More about Sensata Technologies sensata rp thermal protectors	Datasheet	525In Stock 1,000Expected 2026/11/18	$16.06	Min.: 1 Mult.: 1
Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402 F0402G0R02FNTR KYOCERA AVX 1: $0.961 68,771In Stock	Mfr. Part No. F0402G0R02FNTR Mouser Part No 581-F0402G0R02FNTR	KYOCERA AVX	Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402	Datasheet	68,771In Stock	Cut Tape $0.961 $0.763 $0.643 $0.60 Reel $0.60 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (16)5-20R, NEMA 5-20P 3W-3M, BLACK E16B07M Panduit 1: $286.30 4In Stock New Product	Mfr. Part No. E16B07M Mouser Part No 644-E16B07M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (16)5-20R, NEMA 5-20P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	4In Stock	$286.30 $266.08 $258.43 $252.75 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)C13, NEMA L6-20P 3W-3M, BLACK E12B46M Panduit 1: $202.92 7In Stock New Product	Mfr. Part No. E12B46M Mouser Part No 644-E12B46M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)C13, NEMA L6-20P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	7In Stock	$202.92 $188.60 $183.20 $179.17 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (16)5-20R, NEMA L5-20P 3W-3M, BLACK E16B08M Panduit 1: $298.51 4In Stock New Product	Mfr. Part No. E16B08M Mouser Part No 644-E16B08M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (16)5-20R, NEMA L5-20P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	4In Stock	$298.51 $277.45 $269.44 $263.52 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)5-20R, NEMA L5-20P 3W-3M, BLACK E12B30M Panduit 1: $228.41 7In Stock New Product	Mfr. Part No. E12B30M Mouser Part No 644-E12B30M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 20 (16) AMP, (12)5-20R, NEMA L5-20P 3W-3M, BLACK Learn More about Panduit es2p pdus	Datasheet	7In Stock	$228.41 $212.29 $206.21 $201.68 View Quote	Min.: 1 Mult.: 1
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 $0.09 $0.086 $0.051 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1206 high-current met-foil. 8A Auto SF-1206HHA800R-2 Bourns 1: $1.05 7,963In Stock	Mfr. Part No. SF-1206HHA800R-2 Mouser Part No 652-SF-1206HHA800R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 8A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	7,963In Stock	Cut Tape $1.05 $0.891 $0.745 $0.666 Reel $0.469 View $0.599 $0.579 $0.575 $0.445 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V GDT35-35-S1-RP Bourns 1: $1.78 1,571In Stock	Mfr. Part No. GDT35-35-S1-RP Mouser Part No 652-GDT35-35-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V Learn More about Bourns gdt35	Datasheet	1,571In Stock	Cut Tape $1.78 $1.64 $1.36 $1.26 Reel $0.904 View $1.13 $1.04 $0.84 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V GDT35-42-S1-RP Bourns 1: $1.78 1,950In Stock	Mfr. Part No. GDT35-42-S1-RP Mouser Part No 652-GDT35-42-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V Learn More about Bourns gdt35	Datasheet	1,950In Stock	Cut Tape $1.78 $1.64 $1.36 $1.26 Reel $0.889 View $1.13 $1.04 $0.84 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V GDT35-47-S1-RP Bourns 1: $1.78 1,682In Stock	Mfr. Part No. GDT35-47-S1-RP Mouser Part No 652-GDT35-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V Learn More about Bourns gdt35	Datasheet	1,682In Stock	Cut Tape $1.78 $1.64 $1.36 $1.26 Reel $0.889 View $1.13 $1.04 $0.84 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 1% 3988K LEAD FREE B57850T0103F000 TDK 1: $5.12 11,033In Stock	Mfr. Part No. B57850T0103F000 Mouser Part No 871-B57850T103F000	TDK	NTC (Negative Temperature Coefficient) Thermistors 10KOHM 1% 3988K LEAD FREE Learn More about TDK epcos t850 ntc thermistors	Datasheet	11,033In Stock	$5.12 $4.59 $4.40 $4.18 View $4.01 $3.87 $3.58 $3.47	Min.: 1 Mult.: 1
Power Outlet Strips ES2P Basic PDU, 30 (24) AMP, (20)C13, (4)C19, NEMA L6-30P E24B15M Panduit 1: $528.82 1In Stock 4Expected 2026/11/09 New Product	Mfr. Part No. E24B15M Mouser Part No 644-E24B15M New Product	Panduit	Power Outlet Strips ES2P Basic PDU, 30 (24) AMP, (20)C13, (4)C19, NEMA L6-30P Learn More about Panduit es2p pdus	Datasheet	1In Stock 4Expected 2026/11/09	$528.82 $503.72 $495.87 View Quote	Min.: 1 Mult.: 1
Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 0AMA-0050-TD Bel Fuse 1: $8.78 862In 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	862In Stock	Cut Tape $8.78 $7.29 $6.73 $5.58 Reel $3.86 View $5.14 $4.08 $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 $0.993 $0.836 $0.772 Reel $0.547 View $0.694 $0.64 $0.526 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: $1.81 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 $1.81 $1.64 $1.40 $1.28 Reel $0.933 View $1.15 $1.04 $0.854 $0.846 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA 0AMA-0250-TD Bel Fuse 1: $8.78 439In Stock	Mfr. Part No. 0AMA-0250-TD Mouser Part No 530-0AMA-0250-TD	Bel Fuse	Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA Learn More about Bel Fuse bel 0ama fast acting fuses	Datasheet	439In Stock	Cut Tape $8.78 $7.29 $6.72 $5.58 Reel $4.21 View $5.14 $4.62 $3.72	Min.: 1 Mult.: 1 : 500

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Circuit Protection

Types of Circuit Protection