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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 (EUR) 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: 0,688 € 20.036In Stock New Product	Mfr. Part No. SC4340L-01ETG Mouser Part No 576-SC4340L-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 Learn More about Littelfuse sx4340l tvs diode arrays		20.036In Stock	Cut Tape 0,688 € 0,436 € 0,279 € 0,207 € Reel 0,121 € View 0,168 € 0,144 € 0,143 € 0,114 €	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V PE4305C2A-AU_R1_007A1 Panjit 1: 0,378 € 5.371In Stock New Product	Mfr. Part No. PE4305C2A-AU_R1_007A1 Mouser Part No 241-PE4305C2AAUR17A1 New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V	Datasheet	5.371In Stock	Cut Tape 0,378 € 0,26 € 0,127 € 0,107 € Reel 0,064 € View 0,074 € 0,06 € 0,053 € 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: 0,421 € 8.909In Stock New Product	Mfr. Part No. 4SMF10CA-M3/I Mouser Part No 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	8.909In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,06 € View 0,083 € 0,072 € 0,069 € 0,054 €	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: 0,421 € 7.916In Stock New Product	Mfr. Part No. 4SMF16CA-M3/I Mouser Part No 78-4SMF16CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS	Datasheet	7.916In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,06 € View 0,083 € 0,072 € 0,069 € 0,054 €	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: 0,43 € 19.328In Stock 10.000Expected 11/23/2026 New Product	Mfr. Part No. 4SMF24CA-M3/I Mouser Part No 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 0,43 € 0,302 € 0,148 € 0,124 € Reel 0,062 € View 0,086 € 0,075 € 0,071 € 0,056 €	Min.: 1 Mult.: 1 : 10.000
NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A Vishay / BC Components NTCALUG54A103F640A NTCALUG54A103F640A Vishay / BC Components 1: 2,66 € 256In Stock New Product	Mfr. Part No. NTCALUG54A103F640A Mouser Part No 594-NTCALUG54A103F6 New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A	Datasheet	256In Stock	2,66 € 2,00 € 1,78 € 1,69 € View 1,64 € 1,63 € 1,41 € 1,38 € 1,33 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: 0,507 € 7.964In Stock New Product	Mfr. Part No. 4SMF58CAHM3/I Mouser Part No 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	7.964In Stock	Cut Tape 0,507 € 0,315 € 0,201 € 0,151 € Reel 0,088 € View 0,121 € 0,105 € 0,103 € 0,083 €	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: 0,421 € 7.871In Stock New Product	Mfr. Part No. 4SMF20CA-M3/I Mouser Part No 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	7.871In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,06 € View 0,083 € 0,072 € 0,069 € 0,054 €	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: 0,43 € 19.234In Stock New Product	Mfr. Part No. 4SMF26CA-M3/I Mouser Part No 78-4SMF26CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS	Datasheet	19.234In Stock	Cut Tape 0,43 € 0,302 € 0,148 € 0,124 € Reel 0,062 € View 0,086 € 0,075 € 0,071 € 0,056 €	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: 0,421 € 7.816In Stock New Product	Mfr. Part No. 4SMF17CA-M3/I Mouser Part No 78-4SMF17CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS	Datasheet	7.816In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,06 € View 0,083 € 0,072 € 0,069 € 0,054 €	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: 0,421 € 7.632In Stock New Product	Mfr. Part No. 4SMF18CA-M3/I Mouser Part No 78-4SMF18CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS	Datasheet	7.632In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,06 € View 0,083 € 0,072 € 0,069 € 0,054 €	Min.: 1 Mult.: 1 : 10.000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: 94,60 € 7In Stock New Product	Mfr. Part No. SDSA05 Mouser Part No 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	94,60 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: 116,75 € 4In Stock 56Expected 02/08/2027 New Product	Mfr. Part No. AK8-450C-FB Mouser Part No 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 02/08/2027	116,75 € 104,43 €	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: 2,41 € 3.000In Stock New Product	Mfr. Part No. 5.0SMDJ18A-E Mouser Part No 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 2,41 € 1,55 € 1,26 € 1,06 € 0,86 € Reel 0,731 €	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS AQ48ETH-02HTG Littelfuse 1: 1,43 € 2.100In Stock 100Expected 12/21/2026 New Product	Mfr. Part No. AQ48ETH-02HTG Mouser Part No 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 1,43 € 0,894 € 0,586 € 0,452 € Reel 0,365 € View 0,384 € 0,332 € 0,32 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Varistors 7mm Radial Disc-Straight Leads,Bulk MOV-07D201KC Bourns 1: 0,292 € 4.000In Stock New Product	Mfr. Part No. MOV-07D201KC Mouser Part No 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	0,292 € 0,237 € 0,126 € 0,083 € View 0,061 € 0,052 € 0,044 € 0,039 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A SVS1571P3UU.N Semtech 1: 0,593 € 8.000In Stock New Product	Mfr. Part No. SVS1571P3UU.N Mouser Part No 947-SVS1571P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A		8.000In Stock	Cut Tape 0,593 € 0,37 € 0,237 € 0,176 € Reel 0,102 € View 0,143 € 0,123 € 0,121 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: 449,28 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0250XI Mouser Part No 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	449,28 € 368,91 € 335,71 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: 1,20 € 2.176In Stock 100Expected 11/17/2026 New Product	Mfr. Part No. SC712-02HTG Mouser Part No 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 1,20 € 0,757 € 0,495 € 0,383 € Reel 0,309 € View 0,325 € 0,28 € 0,271 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A SLD263-33A Littelfuse 1: 4,39 € 336In Stock New Product	Mfr. Part No. SLD263-33A Mouser Part No 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 4,39 € 2,89 € 2,36 € 2,00 € Reel 1,67 € 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: 2,55 € 1.618In Stock 3.000Expected 01/12/2027 New Product	Mfr. Part No. TPSMD350CA-A Mouser Part No 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 01/12/2027	Cut Tape 2,55 € 1,65 € 1,34 € 1,14 € 0,894 € Reel 0,759 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: 0,516 € 20.800In Stock New Product	Mfr. Part No. UCLAMP2001ZA.F Mouser Part No 947-UCLAMP2001ZA New Product	Semtech	ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L	Datasheet	20.800In Stock	Cut Tape 0,516 € 0,361 € 0,177 € 0,148 € View Reel 0,067 € 0,102 € 0,089 € 0,085 € 0,076 € 0,067 € MouseReel Available	Min.: 1 Mult.: 1 : 15.000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: 73,11 € 8In Stock 20Expected 01/01/2027 New At Mouser	Mfr. Part No. 8340-F410-P1M1-ALH0-5A Mouser Part No 457-4F410P1M1ALH05A New At Mouser	E-T-A	Circuit Breakers		8In Stock 20Expected 01/01/2027	73,11 € 60,65 € 57,03 € 47,52 € View 44,37 € 44,36 € Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: 1,59 € 3.000In Stock New Product	Mfr. Part No. SC3000-01UTG Mouser Part No 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 1,59 € 0,998 € 0,654 € 0,505 € Reel 0,407 € View 0,428 € 0,374 € 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: 0,705 € 7.000In Stock 100Expected 12/21/2026 New Product	Mfr. Part No. SP4315-01WTG Mouser Part No 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 0,705 € 0,439 € 0,287 € 0,217 € View Reel 0,164 € 0,197 € 0,181 € 0,176 € 0,164 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000

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Circuit Protection

Types of Circuit Protection