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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 (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: 0,697 € 19 026In 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		19 026In Stock	Cut Tape 0,697 € 0,437 € 0,28 € 0,208 € Reel 0,121 € View 0,169 € 0,145 € 0,144 € 0,111 €	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 896In 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 896In 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 TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: 116,75 € 4In Stock 56Expected 1/25/2027 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 1/25/2027	116,75 € 104,43 €	Min.: 1 Mult.: 1
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 Automotive High Surge ESD - SOT-23,Uni,5V PE4305C2A-AU_R1_007A1 Panjit 1: 0,378 € 5 237In 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 237In 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 884In 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 884In 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,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
NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A Vishay / BC Components NTCALUG54A103F640A NTCALUG54A103F640A Vishay / BC Components 1: 2,66 € 161In 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	161In 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,24V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF24CA-M3/I 4SMF24CA-M3/I Vishay Semiconductors 1: 0,43 € 19 318In 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 318In 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
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
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 € 372,23 € 343,10 € Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: 1,20 € 2 166In Stock 100Expected 12/2/2026 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 166In Stock 100Expected 12/2/2026	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 1/12/2027 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 1/12/2027	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
Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 511KH10-AT YAGEO 1: 0,49 € 2 560In Stock 400Expected 1/11/2027 New Product	Mfr. Part No. 511KH10-AT Mouser Part No 603-511KH10-AT New Product	YAGEO	Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	2 560In Stock 400Expected 1/11/2027	0,49 € 0,304 € 0,236 € 0,224 € View 0,219 € 0,211 € 0,171 € 0,17 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: 0,679 € 7 999In Stock New Product	Mfr. Part No. SC1003-01ETG Mouser Part No 576-SC1003-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 Learn More about Littelfuse tvs spa diode arrays	Datasheet	7 999In Stock	Cut Tape 0,679 € 0,427 € 0,273 € 0,204 € Reel 0,119 € View 0,165 € 0,142 € 0,14 € 0,112 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: 2,93 € 190In Stock New Product	Mfr. Part No. MOV-20D182KKC Mouser Part No 652-MOV-20D182KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	190In Stock	2,93 € 1,86 € 1,44 € 1,34 € View 1,18 € 0,989 € 0,963 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A SVS1871P3UU.N Semtech 1: 0,593 € 7 996In Stock New Product	Mfr. Part No. SVS1871P3UU.N Mouser Part No 947-SVS1871P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A		7 996In 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
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

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Circuit Protection

Types of Circuit Protection