.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 375,729

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 SC4340L-01ETG Littelfuse 1: ¥132.9 20,046In Stock New Product	Mfr. Part # SC4340L-01ETG Mouser Part # 576-SC4340L-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 Learn More about Littelfuse sx4340l tvs diode arrays		20,046In Stock	Cut Tape ¥132.9 ¥84.2 ¥53.8 ¥40 Reel ¥23.4 View ¥32.4 ¥27.9 ¥27.6 ¥22.1	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF24CA-M3/I 4SMF24CA-M3/I Vishay Semiconductors 1: ¥83.1 19,328In Stock 10,000Expected 11/23/2026 New Product	Mfr. Part # 4SMF24CA-M3/I Mouser Part # 78-4SMF24CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS	Datasheet	19,328In Stock 10,000Expected 11/23/2026	Cut Tape ¥83.1 ¥58.3 ¥28.6 ¥23.9 Reel ¥12 View ¥16.6 ¥14.5 ¥13.8 ¥10.8	Min.: 1 Mult.: 1 : 10,000
Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports 1315B8H-RACK-PDU StarTech 1: ¥26,659.1 4In Stock New Product	Mfr. Part # 1315B8H-RACK-PDU Mouser Part # 179-1315B8HRACKPDU New Product	StarTech	Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports	Datasheet	4In Stock	¥26,659.1 ¥23,421.8 ¥22,589.6 ¥22,586.3 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V PE4305C2A-AU_R1_007A1 Panjit 1: ¥73.1 5,396In Stock New Product	Mfr. Part # PE4305C2A-AU_R1_007A1 Mouser Part # 241-PE4305C2AAUR17A1 New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V	Datasheet	5,396In Stock	Cut Tape ¥73.1 ¥50.2 ¥24.6 ¥20.6 Reel ¥12.3 View ¥14.3 ¥11.6 ¥10.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF10CA-M3/I 4SMF10CA-M3/I Vishay Semiconductors 1: ¥81.4 8,909In Stock New Product	Mfr. Part # 4SMF10CA-M3/I Mouser Part # 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	8,909In Stock	Cut Tape ¥81.4 ¥56.1 ¥27.6 ¥22.9 Reel ¥11.6 View ¥15.9 ¥14 ¥13.3 ¥10.5	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF20CA-M3/I 4SMF20CA-M3/I Vishay Semiconductors 1: ¥81.4 7,871In Stock New Product	Mfr. Part # 4SMF20CA-M3/I Mouser Part # 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	7,871In Stock	Cut Tape ¥81.4 ¥56.1 ¥27.6 ¥22.9 Reel ¥11.6 View ¥15.9 ¥14 ¥13.3 ¥10.5	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF26CA-M3/I 4SMF26CA-M3/I Vishay Semiconductors 1: ¥83.1 19,234In Stock New Product	Mfr. Part # 4SMF26CA-M3/I Mouser Part # 78-4SMF26CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS	Datasheet	19,234In Stock	Cut Tape ¥83.1 ¥58.3 ¥28.6 ¥23.9 Reel ¥12 View ¥16.6 ¥14.5 ¥13.8 ¥10.8	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF16CA-M3/I 4SMF16CA-M3/I Vishay Semiconductors 1: ¥81.4 7,916In Stock New Product	Mfr. Part # 4SMF16CA-M3/I Mouser Part # 78-4SMF16CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS	Datasheet	7,916In Stock	Cut Tape ¥81.4 ¥56.1 ¥27.6 ¥22.9 Reel ¥11.6 View ¥15.9 ¥14 ¥13.3 ¥10.5	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors NTC LUG M5 10k 1% G24 64mm A Vishay / BC Components NTCALUG54A103F640A NTCALUG54A103F640A Vishay / BC Components 1: ¥513.2 266In Stock New Product	Mfr. Part # NTCALUG54A103F640A Mouser Part # 594-NTCALUG54A103F6 New Product	Vishay / BC Components	NTC Thermistors NTC LUG M5 10k 1% G24 64mm A	Datasheet	266In Stock	¥513.2 ¥385.4 ¥343.8 ¥325.6 View ¥317.3 ¥315.6 ¥272.4 ¥267.4 ¥257.5	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: ¥98 6,969In Stock New Product	Mfr. Part # 4SMF58CAHM3/I Mouser Part # 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	6,969In Stock	Cut Tape ¥98 ¥60.8 ¥38.9 ¥29.1 Reel ¥16.9 View ¥23.4 ¥20.3 ¥19.9 ¥15.9	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF17CA-M3/I 4SMF17CA-M3/I Vishay Semiconductors 1: ¥81.4 7,816In Stock New Product	Mfr. Part # 4SMF17CA-M3/I Mouser Part # 78-4SMF17CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS	Datasheet	7,816In Stock	Cut Tape ¥81.4 ¥56.1 ¥27.6 ¥22.9 Reel ¥11.6 View ¥15.9 ¥14 ¥13.3 ¥10.5	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF18CA-M3/I 4SMF18CA-M3/I Vishay Semiconductors 1: ¥81.4 7,632In Stock New Product	Mfr. Part # 4SMF18CA-M3/I Mouser Part # 78-4SMF18CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS	Datasheet	7,632In Stock	Cut Tape ¥81.4 ¥56.1 ¥27.6 ¥22.9 Reel ¥11.6 View ¥15.9 ¥14 ¥13.3 ¥10.5	Min.: 1 Mult.: 1 : 10,000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: ¥18,271 7In Stock New Product	Mfr. Part # SDSA05 Mouser Part # 996-SDSA05 New Product	Square D	Industrial Surge Protectors SPD 120V Single Phase 36kA Learn More about Square D sdsa surge protective devices	Datasheet	7In Stock	¥18,271	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: ¥22,549.7 4In Stock 56Expected 2/8/2027 New Product	Mfr. Part # AK8-450C-FB Mouser Part # 576-AK8-450C-FB New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL Learn More about Littelfuse ak8 fb tvs diodes	Datasheet	4In Stock 56Expected 2/8/2027	¥22,549.7 ¥20,169.5	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS Littelfuse 5.0SMDJ18A-E 5.0SMDJ18A-E Littelfuse 1: ¥465.1 3,000In Stock New Product	Mfr. Part # 5.0SMDJ18A-E Mouser Part # 576-5.0SMDJ18AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS	Datasheet	3,000In Stock	Cut Tape ¥465.1 ¥299 ¥242.5 ¥204.3 ¥166.1 Reel ¥141.2	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: ¥14,120.2 8In Stock 20Expected 1/1/2027 New At Mouser	Mfr. Part # 8340-F410-P1M1-ALH0-5A Mouser Part # 457-4F410P1M1ALH05A New At Mouser	E-T-A	Circuit Breakers		8In Stock 20Expected 1/1/2027	¥14,120.2 ¥11,713.4 ¥11,014.1 ¥9,178.7 View ¥8,569.1 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: ¥307.3 3,000In Stock New Product	Mfr. Part # SC3000-01UTG Mouser Part # 576-SC3000-01UTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L Learn More about Littelfuse tvs spa diode arrays	Datasheet	3,000In Stock	Cut Tape ¥307.3 ¥192.7 ¥126.2 ¥97.5 Reel ¥78.6 View ¥82.7 ¥72.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS SP4315-01WTG Littelfuse 1: ¥136.2 7,000In Stock 100Expected 12/21/2026 New Product	Mfr. Part # SP4315-01WTG Mouser Part # 576-SP4315-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS Learn More about Littelfuse sp4315 01wtg tvs diode arrays	Datasheet	7,000In Stock 100Expected 12/21/2026	Cut Tape ¥136.2 ¥84.9 ¥55.5 ¥41.9 View Reel ¥31.7 ¥38 ¥34.9 ¥34.1 ¥31.7 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A SVS1071P3UU.N Semtech 1: ¥114.6 8,000In Stock New Product	Mfr. Part # SVS1071P3UU.N Mouser Part # 947-SVS1071P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A		8,000In Stock	Cut Tape ¥114.6 ¥71.4 ¥45.7 ¥34.1 Reel ¥19.8 View ¥27.6 ¥23.8 ¥23.4 ¥18.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K UCLAMP3311T.TNT Semtech 1: ¥151.2 4,529In Stock New Product	Mfr. Part # UCLAMP3311T.TNT Mouser Part # 947-UCLAMP3311T.TNT New Product	Semtech	ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K	Datasheet	4,529In Stock	Cut Tape ¥151.2 ¥93.8 ¥61.3 ¥46.2 View Reel ¥29.6 ¥42 ¥38.5 ¥37.5 ¥29.6 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS AQ48ETH-02HTG Littelfuse 1: ¥275.7 2,100In Stock 100Expected 12/21/2026 New Product	Mfr. Part # AQ48ETH-02HTG Mouser Part # 576-AQ48ETH-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	2,100In Stock 100Expected 12/21/2026	Cut Tape ¥275.7 ¥172.7 ¥113.1 ¥87.4 Reel ¥70.4 View ¥74.1 ¥64.1 ¥61.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 7mm Radial Disc-Straight Leads,Bulk MOV-07D201KC Bourns 1: ¥56.5 4,000In Stock New Product	Mfr. Part # MOV-07D201KC Mouser Part # 652-MOV-07D201KC New Product	Bourns	Varistors 7mm Radial Disc-Straight Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	4,000In Stock	¥56.5 ¥45.7 ¥24.3 ¥15.9 View ¥11.8 ¥10 ¥8.5 ¥7.5	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A SVS1571P3UU.N Semtech 1: ¥114.6 8,000In Stock New Product	Mfr. Part # SVS1571P3UU.N Mouser Part # 947-SVS1571P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A		8,000In Stock	Cut Tape ¥114.6 ¥71.4 ¥45.7 ¥34.1 Reel ¥19.8 View ¥27.6 ¥23.8 ¥23.4 ¥18.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: ¥97,078.8 2In Stock 1Expected 11/30/2026 New Product	Mfr. Part # ESR3XLUB0315XI Mouser Part # 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 11/30/2026	¥97,078.8 ¥79,713.1 ¥72,539.2	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: ¥86,774 3In Stock New Product	Mfr. Part # ESR3XLUB0250XI Mouser Part # 576-ESR3XLUB0250XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	¥86,774 ¥71,250.3 ¥64,838.8	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support

Share This

Circuit Protection

Types of Circuit Protection