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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: 0,719 € 19.526In 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		19.526In Stock	Cut Tape 0,719 € 0,451 € 0,289 € 0,215 € Reel 0,125 € View 0,174 € 0,15 € 0,148 € 0,115 €	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: 2,74 € 166In 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	166In Stock	2,74 € 2,06 € 1,84 € 1,74 € View 1,70 € 1,69 € 1,46 € 1,43 € 1,38 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: 0,524 € 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 0,524 € 0,325 € 0,208 € 0,155 € Reel 0,091 € View 0,125 € 0,108 € 0,107 € 0,085 €	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: 120,55 € 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	120,55 € 107,83 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF24CA-M3/I 4SMF24CA-M3/I Vishay Semiconductors 1: 0,444 € 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 0,444 € 0,312 € 0,153 € 0,128 € Reel 0,064 € View 0,089 € 0,077 € 0,074 € 0,058 €	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: 0,435 € 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 0,435 € 0,30 € 0,147 € 0,123 € Reel 0,062 € View 0,085 € 0,075 € 0,071 € 0,056 €	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: 0,444 € 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 0,444 € 0,312 € 0,153 € 0,128 € Reel 0,064 € View 0,089 € 0,077 € 0,074 € 0,058 €	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: 0,391 € 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 0,391 € 0,268 € 0,131 € 0,11 € Reel 0,066 € View 0,076 € 0,062 € 0,055 € 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: 0,435 € 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 0,435 € 0,30 € 0,147 € 0,123 € Reel 0,062 € View 0,085 € 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: 0,435 € 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 0,435 € 0,30 € 0,147 € 0,123 € Reel 0,062 € View 0,085 € 0,075 € 0,071 € 0,056 €	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: 0,435 € 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 0,435 € 0,30 € 0,147 € 0,123 € Reel 0,062 € View 0,085 € 0,075 € 0,071 € 0,056 €	Min.: 1 Mult.: 1 : 10.000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: 97,68 € 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	97,68 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF16CA-M3/I 4SMF16CA-M3/I Vishay Semiconductors 1: 0,435 € 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 0,435 € 0,30 € 0,147 € 0,123 € Reel 0,062 € View 0,085 € 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: 2,49 € 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 2,49 € 1,60 € 1,30 € 1,09 € 0,888 € Reel 0,755 €	Min.: 1 Mult.: 1 : 3.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: 514,81 € 3In Stock New Product	Mfr. Part No. ESR3XLDB0315XI Mouser Part No 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	514,81 € 426,52 € 393,13 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: 529,59 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0400XI Mouser Part No 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	529,59 € 438,78 € 404,42 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: 539,48 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0500XI Mouser Part No 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	539,48 € 459,92 € 411,73 € Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: 0,613 € 8.000In Stock New Product	Mfr. Part No. SVS1271P3UU.N Mouser Part No 947-SVS1271P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A		8.000In Stock	Cut Tape 0,613 € 0,382 € 0,244 € 0,182 € Reel 0,106 € View 0,147 € 0,127 € 0,125 € 0,10 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A SVS3671P3UU.N Semtech 1: 0,613 € 8.000In Stock New Product	Mfr. Part No. SVS3671P3UU.N Mouser Part No 947-SVS3671P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A		8.000In Stock	Cut Tape 0,613 € 0,382 € 0,244 € 0,182 € Reel 0,106 € View 0,147 € 0,127 € 0,125 € 0,10 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 511KH10-AT YAGEO 1: 0,506 € 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	0,506 € 0,313 € 0,243 € 0,232 € View 0,226 € 0,218 € 0,177 € 0,176 €	Min.: 1 Mult.: 1
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: 75,49 € 8In Stock 20Expected 1/1/2027 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 1/1/2027	75,49 € 62,62 € 58,88 € 49,07 € View 45,81 € 45,80 € Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: 1,64 € 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 1,64 € 1,03 € 0,675 € 0,521 € Reel 0,42 € View 0,442 € 0,386 € 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: 0,728 € 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 0,728 € 0,454 € 0,297 € 0,224 € View Reel 0,17 € 0,203 € 0,186 € 0,182 € 0,17 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 1-Line 1.0V 2.5A 0.24pF ESD SLP0603P2X3J RCLAMP01021ZC.F Semtech 1: 0,48 € 10.500In Stock New Product	Mfr. Part No. RCLAMP01021ZC.F Mouser Part No 947-RCLAMP01021ZC.F New Product	Semtech	ESD Protection Diodes / TVS Diodes 1-Line 1.0V 2.5A 0.24pF ESD SLP0603P2X3J	Datasheet	10.500In Stock	Cut Tape 0,48 € 0,303 € 0,194 € 0,144 € View Reel 0,084 € 0,117 € 0,101 € 0,099 € 0,084 € 0,084 € MouseReel Available	Min.: 1 Mult.: 1 : 15.000
ESD Protection Diodes / TVS Diodes 1-Line 16V 0.4pF TVS SLP1006P2 RCLAMP1681PQ.C Semtech 1: 0,87 € 6.000In Stock New Product	Mfr. Part No. RCLAMP1681PQ.C Mouser Part No 947-RCLAMP1681PQ.C New Product	Semtech	ESD Protection Diodes / TVS Diodes 1-Line 16V 0.4pF TVS SLP1006P2	Datasheet	6.000In Stock	Cut Tape 0,87 € 0,54 € 0,353 € 0,266 € Reel 0,221 € View 0,242 € 0,215 € 0,183 € 0,167 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000

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Circuit Protection

Types of Circuit Protection