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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 (COP) 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: $ 3.045 19.036In 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		19.036In Stock	Cut Tape $ 3.045 $ 1.910 $ 1.222 $ 910 Reel $ 530 View $ 737 $ 635 $ 628 $ 485	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: $ 1.842 7.896In 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	7.896In Stock	Cut Tape $ 1.842 $ 1.271 $ 624 $ 519 Reel $ 263 View $ 361 $ 316 $ 301 $ 237	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: $ 1.842 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 $ 1.842 $ 1.271 $ 624 $ 519 Reel $ 263 View $ 361 $ 316 $ 301 $ 237	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: $ 1.880 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 $ 1.880 $ 1.320 $ 647 $ 541 Reel $ 271 View $ 376 $ 327 $ 312 $ 244	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: $ 586.189 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	$ 586.189 $ 549.235 $ 525.701 $ 517.769 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: $ 1.654 5.237In 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	5.237In Stock	Cut Tape $ 1.654 $ 1.135 $ 556 $ 466 Reel $ 278 View $ 323 $ 263 $ 233 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: $ 1.842 8.884In 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	8.884In Stock	Cut Tape $ 1.842 $ 1.271 $ 624 $ 519 Reel $ 263 View $ 361 $ 316 $ 301 $ 237	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: $ 11.616 161In 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	161In Stock	$ 11.616 $ 8.722 $ 7.782 $ 7.368 View $ 7.180 $ 7.143 $ 6.165 $ 6.052 $ 5.827	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: $ 2.218 7.964In 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	7.964In Stock	Cut Tape $ 2.218 $ 1.376 $ 880 $ 658 Reel $ 383 View $ 530 $ 459 $ 451 $ 361	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: $ 1.880 19.324In 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	19.324In Stock 10.000Expected 11/23/2026	Cut Tape $ 1.880 $ 1.320 $ 647 $ 541 Reel $ 271 View $ 376 $ 327 $ 312 $ 244	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: $ 1.842 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 $ 1.842 $ 1.271 $ 624 $ 519 Reel $ 263 View $ 361 $ 316 $ 301 $ 237	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: $ 1.842 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 $ 1.842 $ 1.271 $ 624 $ 519 Reel $ 263 View $ 361 $ 316 $ 301 $ 237	Min.: 1 Mult.: 1 : 10.000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: $ 413.524 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	$ 413.524	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: $ 510.363 4In Stock 56Expected 1/25/2027 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 1/25/2027	$ 510.363 $ 456.493	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: $ 10.526 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 $ 10.526 $ 6.767 $ 5.489 $ 4.624 $ 3.759 Reel $ 3.195	Min.: 1 Mult.: 1 : 3.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: $ 1.963.937 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	$ 1.963.937 $ 1.627.141 $ 1.499.775 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: $ 5.263 2.176In Stock 100Expected 11/17/2026 New Product	Mfr. Part # SC712-02HTG Mouser Part # 576-SC712-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L Learn More about Littelfuse tvs spa diode arrays	Datasheet	2.176In Stock 100Expected 11/17/2026	Cut Tape $ 5.263 $ 3.308 $ 2.165 $ 1.673 Reel $ 1.350 View $ 1.421 $ 1.226 $ 1.184 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A SLD263-33A Littelfuse 1: $ 19.172 336In Stock New Product	Mfr. Part # SLD263-33A Mouser Part # 576-SLD263-33A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A Learn More about Littelfuse sld263 tvs diodes	Datasheet	336In Stock	Cut Tape $ 19.172 $ 12.631 $ 10.300 $ 8.722 Reel $ 7.293 MouseReel Available	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: $ 11.165 1.618In Stock 3.000Expected 1/12/2027 New Product	Mfr. Part # TPSMD350CA-A Mouser Part # 576-TPSMD350CA-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS Learn More about Littelfuse TPSMD TVS diodes	Datasheet	1.618In Stock 3.000Expected 1/12/2027	Cut Tape $ 11.165 $ 7.218 $ 5.865 $ 4.962 $ 3.910 Reel $ 3.316 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: $ 2.256 20.800In Stock New Product	Mfr. Part # UCLAMP2001ZA.F Mouser Part # 947-UCLAMP2001ZA New Product	Semtech	ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L	Datasheet	20.800In Stock	Cut Tape $ 2.256 $ 1.579 $ 774 $ 647 View Reel $ 293 $ 447 $ 391 $ 372 $ 331 $ 293 MouseReel Available	Min.: 1 Mult.: 1 : 15.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: $ 2.197.164 2In Stock 1Expected 12/14/2026 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 12/14/2026	$ 2.197.164 $ 1.820.369 $ 1.677.854 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS AQ48ETH-02HTG Littelfuse 1: $ 6.240 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 $ 6.240 $ 3.910 $ 2.560 $ 1.977 Reel $ 1.594 View $ 1.677 $ 1.451 $ 1.398 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Varistors 7mm Radial Disc-Straight Leads,Bulk MOV-07D201KC Bourns 1: $ 1.278 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	$ 1.278 $ 1.034 $ 549 $ 361 View $ 267 $ 226 $ 192 $ 169	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A SVS1571P3UU.N Semtech 1: $ 2.594 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 $ 2.594 $ 1.617 $ 1.034 $ 771 Reel $ 447 View $ 624 $ 538 $ 530 $ 425 MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: $ 2.179.420 3In Stock New Product	Mfr. Part # ESR3XLDB0315XI Mouser Part # 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	$ 2.179.420 $ 1.805.670 $ 1.664.282 Quote Quote	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection