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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS Vishay Semiconductors SMA6F28CA-M3/H SMA6F28CA-M3/H Vishay Semiconductors 1: $0.95 3,460In Stock New Product	Mfr. Part No. SMA6F28CA-M3/H Mouser Part No 78-SMA6F28CA-M3\H New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS	Datasheet	3,460In Stock	Cut Tape $0.95 $0.60 $0.383 $0.286 Reel $0.20 View $0.231 $0.196 $0.167 $0.158	Min.: 1 Mult.: 1 : 3,500
Cartridge Fuses FUSE, CERAMIC TUBE 0.5A, 600VAC/600VDC 0ADAC0500-BE Bel Fuse 1: $3.78 9,876In Stock End of Life	Mfr. Part No. 0ADAC0500-BE Mouser Part No 530-0ADAC0500-BE End of Life	Bel Fuse	Cartridge Fuses FUSE, CERAMIC TUBE 0.5A, 600VAC/600VDC Learn More about Bel Fuse bel 0adac fuses	Datasheet	9,876In Stock	$3.78 $3.00 $2.69 $2.43 View $2.24 $2.10 $1.86 $1.69	Min.: 1 Mult.: 1
Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3 C40F42D400 Schneider Electric 1: $5,453.98 3In Stock New At Mouser	Mfr. Part No. C40F42D400 Mouser Part No 996-C40F42D400 New At Mouser	Schneider Electric	Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3	Datasheet	3In Stock	$5,453.98	Min.: 1 Mult.: 1
Circuit Breaker Accessories F FRM FLEX Shaft LEN 4 FT Nema 1,3R,12 Eaton Electrical F1S04C F1S04C Eaton Electrical 1: $915.62 1In Stock New Product	Mfr. Part No. F1S04C Mouser Part No 504-F1S04C New Product	Eaton Electrical	Circuit Breaker Accessories F FRM FLEX Shaft LEN 4 FT Nema 1,3R,12	Datasheet	1In Stock	$915.62	Min.: 1 Mult.: 1
Circuit Breaker Accessories UNDERVOLTAGE RELEASE Eaton Electrical NZM4-XU480-525AC NZM4-XU480-525AC Eaton Electrical 1: $855.74 1In Stock New Product	Mfr. Part No. NZM4-XU480-525AC Mouser Part No 504-NZM4-XU480-525AC New Product	Eaton Electrical	Circuit Breaker Accessories UNDERVOLTAGE RELEASE	Datasheet	1In Stock	$855.74 $820.56 $797.64 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG2 TERMINAL (STEEL), 100A, 14-1/0, 3P Eaton Electrical PDG2X3T100 PDG2X3T100 Eaton Electrical 1: $88.79 5In Stock 6Expected 13/11/2026 New Product	Mfr. Part No. PDG2X3T100 Mouser Part No 504-PDG2X3T100 New Product	Eaton Electrical	Circuit Breaker Accessories PDG2 TERMINAL (STEEL), 100A, 14-1/0, 3P	Datasheet	5In Stock 6Expected 13/11/2026	$88.79 $73.65 $69.26 $57.71 $53.86	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG5 TERM (AL), 1200A, (4) 4/0-500 Eaton Electrical PDG5X1TA1200 PDG5X1TA1200 Eaton Electrical 1: $130.73 5In Stock New Product	Mfr. Part No. PDG5X1TA1200 Mouser Part No 504-PDG5X1TA1200 New Product	Eaton Electrical	Circuit Breaker Accessories PDG5 TERM (AL), 1200A, (4) 4/0-500	Datasheet	5In Stock	$130.73 $108.40 $99.96 $82.67 View $76.36 Quote	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3 ELECT / 1100v TDK B88069X7931T702 B88069X7931T702 TDK 1: $6.28 467In Stock New Product	Mfr. Part No. B88069X7931T702 Mouser Part No 871-B88069X7931T702 New Product	TDK	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3 ELECT / 1100v	Datasheet	467In Stock	Cut Tape $6.28 $5.80 $5.59 $4.35 Reel $3.06 View $3.75 $3.52 $2.99 $2.84	Min.: 1 Mult.: 1 : 700
ESD Protection Diodes / TVS Diodes AK6 - CA 270V AK6-270C-Y-12 Littelfuse 1: $73.85 8In Stock	Mfr. Part No. AK6-270C-Y-12 Mouser Part No 576-AK6-270C-Y-12	Littelfuse	ESD Protection Diodes / TVS Diodes AK6 - CA 270V	Datasheet	8In Stock	$73.85 $58.01 $57.95	Min.: 1 Mult.: 1
Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20 AP7801B APC by Schneider Electric Restricted Availability	Mfr. Part No. AP7801B Mouser Part No 679-AP7801B	APC by Schneider Electric	Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
ESD Protection Diodes / TVS Diodes 600W,440V 5%,UNIDIR,SMB TVS Vishay Semiconductors P6SMB440AHM3_D/I P6SMB440AHM3_D/I Vishay Semiconductors 1: $1.37 2,793In Stock	Mfr. Part No. P6SMB440AHM3_D/I Mouser Part No 78-P6SMB440AHM3DI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,440V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,793In Stock	Cut Tape $1.37 $0.857 $0.561 $0.434 View Reel $0.329 $0.368 $0.35 $0.329	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS SMBJ36CAHM3_B/I Vishay Semiconductors 1: $1.23 1,101In Stock	Mfr. Part No. SMBJ36CAHM3_B/I Mouser Part No 78-SMBJ36CAHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	1,101In Stock	Cut Tape $1.23 $0.766 $0.503 $0.369 Reel $0.309 View $0.336 $0.255	Min.: 1 Mult.: 1 : 3,200
Fuse Holder Accessories ZCase Box Cover 873-716 Littelfuse 1: $7.97 93In Stock	Mfr. Part No. 873-716 Mouser Part No 576-873-716	Littelfuse	Fuse Holder Accessories ZCase Box Cover		93In Stock	$7.97 $7.08 $6.76 $5.20 View $4.29 $3.97 $3.78 $3.68	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V GDT28H-130-B Bourns 1: $2.20 397In Stock	Mfr. Part No. GDT28H-130-B Mouser Part No 652-GDT28H-130-B	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V Learn More about Bourns gdt212e gdt216e gdt220e gdt225e gdts	Datasheet	397In Stock	$2.20 $1.88 $1.51 $1.29 View $1.25 $1.04 $1.00 $0.958 $0.929	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V GDT28H-330-B Bourns 1: $2.20 397In Stock	Mfr. Part No. GDT28H-330-B Mouser Part No 652-GDT28H-330-B	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V Learn More about Bourns gdt212e gdt216e gdt220e gdt225e gdts	Datasheet	397In Stock	$2.20 $1.88 $1.51 $1.29 View $1.25 $1.04 $1.00 $0.954 $0.929	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS,600W,12V,DFN3820A BIDIR Vishay 6DFN12CA-M3/H 6DFN12CA-M3/H Vishay 1: $0.86 4,163In Stock	Mfr. Part No. 6DFN12CA-M3/H Mouser Part No 78-6DFN12CA-M3/H	Vishay	ESD Protection Diodes / TVS Diodes TVS,600W,12V,DFN3820A BIDIR	Datasheet	4,163In Stock	Cut Tape $0.86 $0.537 $0.35 $0.264 Reel $0.22 View $0.24 $0.214 $0.154	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes 600W,180V 5%,UNIDIR,SMB TVS Vishay Semiconductors P6SMB180AHM3_B/I P6SMB180AHM3_B/I Vishay Semiconductors 1: $0.98 1,900In Stock	Mfr. Part No. P6SMB180AHM3_B/I Mouser Part No 78-P6SMB180AHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,180V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	1,900In Stock	Cut Tape $0.98 $0.608 $0.397 $0.299 Reel $0.25 View $0.272 $0.192	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS Vishay Semiconductors P6SMB36CAHE3_B/H P6SMB36CAHE3_B/H Vishay Semiconductors 1: $1.16 6,063In Stock	Mfr. Part No. P6SMB36CAHE3_B/H Mouser Part No 78-P6SMB36CAHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	6,063In Stock	Cut Tape $1.16 $0.725 $0.476 $0.35 Reel $0.317 View $0.291 $0.282 $0.23 $0.219	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes 1KW,30V 5%,UNIDIR,SMB TVS Vishay Semiconductors SMB10J30AHE3_B/I SMB10J30AHE3_B/I Vishay Semiconductors 1: $1.44 2,579In Stock	Mfr. Part No. SMB10J30AHE3_B/I Mouser Part No 78-SMB10J30AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1KW,30V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,579In Stock	Cut Tape $1.44 $0.899 $0.59 $0.433 Reel $0.362 View $0.395 $0.299	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 800W,5.0V 5%,BIDIR,SMB TVS Vishay Semiconductors SMB8J5.0CAHM3_B/I SMB8J5.0CAHM3_B/I Vishay Semiconductors 1: $1.45 3,069In Stock	Mfr. Part No. SMB8J5.0CAHM3_B/I Mouser Part No 78-SMB8J5.0CAHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 800W,5.0V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	3,069In Stock	Cut Tape $1.45 $0.902 $0.593 $0.435 Reel $0.364 View $0.396 $0.30	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,14V 5%,BIDIR,SMB TVS SMBJ14CAHE3_B/I Vishay Semiconductors 1: $1.15 2,765In Stock	Mfr. Part No. SMBJ14CAHE3_B/I Mouser Part No 78-SMBJ14CAHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,14V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,765In Stock	Cut Tape $1.15 $0.719 $0.469 $0.354 Reel $0.295 View $0.322 $0.227	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,170V 5%,BIDIR,SMB TVS SMBJ170CAHM3_B/I Vishay Semiconductors 1: $1.23 3,186In Stock	Mfr. Part No. SMBJ170CAHM3_B/I Mouser Part No 78-SMBJ170CAHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,170V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	3,186In Stock	Cut Tape $1.23 $0.766 $0.503 $0.369 Reel $0.309 View $0.336 $0.255	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,18V 5%,UNIDIR,SMB TVS SMBJ18AHE3_B/H Vishay Semiconductors 1: $0.91 5,419In 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	5,419In Stock	Cut Tape $0.91 $0.567 $0.37 $0.181 Reel $0.167 View $0.156 $0.155	Min.: 1 Mult.: 1 : 750
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 3400.17.0428 HUBER+SUHNER 1: $185.25 36In Stock	Mfr. Part No. 3400.17.0428 Mouser Part No 455-3400170428	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology Learn More about HUBER+SUHNER huber suhner cable solutions	Datasheet	36In Stock	$185.25 $170.69 $167.09 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2 REX12-TA2-107-DC24V-4A/4A-CL2 E-T-A 1: $98.99 32In Stock	Mfr. Part No. REX12-TA2-107-DC24V-4A/4A-CL2 Mouser Part No 457-107DC24V4A/4ACL2	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2	Datasheet	32In Stock	$98.99 $85.90 $73.47 $71.06 View Quote	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection