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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 (PLN) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V PEC3205M1Q-AU_R1_005A1 Panjit 1: 0,418 zł 17 959In Stock New Product	Mfr. Part No. PEC3205M1Q-AU_R1_005A1 Mouser Part No 241-PEC3205M1QAUR15A New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V	Datasheet	17 959In Stock	Cut Tape 0,418 zł 0,29 zł 0,145 zł 0,123 zł View Reel 0,066 zł 0,092 zł 0,079 zł 0,066 zł MouseReel Available	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: 1,85 zł 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 1,85 zł 1,28 zł 0,629 zł 0,524 zł Reel 0,264 zł View 0,365 zł 0,317 zł 0,304 zł 0,238 zł	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: 1,89 zł 7 463In Stock 20 000On Order 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	7 463In Stock 20 000On Order On Order Ship Dates Mfr. No: 4SMF24CA-M3/I Stock: 7 463 Can Dispatch Immediately On Order: 10 000 Expected 11/9/2026 10 000 Expected 11/25/2026 Factory Lead Time: 10 Weeks	Cut Tape 1,89 zł 1,33 zł 0,651 zł 0,546 zł Reel 0,273 zł View 0,378 zł 0,33 zł 0,312 zł 0,246 zł	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: 11,70 zł 266In 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	266In Stock	11,70 zł 8,80 zł 7,83 zł 7,44 zł View 7,22 zł 7,17 zł 6,20 zł 6,07 zł 5,85 zł	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: 2,23 zł 6 969In 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	6 969In Stock	Cut Tape 2,23 zł 1,39 zł 0,884 zł 0,664 zł Reel 0,387 zł View 0,532 zł 0,462 zł 0,453 zł 0,365 zł	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI AK3-430C-A Littelfuse 1: 369,34 zł 4In Stock 56Expected 12/21/2026 New Product	Mfr. Part No. AK3-430C-A Mouser Part No 576-AK3-430C-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI Learn More about Littelfuse ak3 a tvs diodes	Datasheet	4In Stock 56Expected 12/21/2026	369,34 zł 327,71 zł 324,37 zł	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF17CA-M3/I 4SMF17CA-M3/I Vishay Semiconductors 1: 1,85 zł 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 1,85 zł 1,28 zł 0,629 zł 0,524 zł Reel 0,264 zł View 0,365 zł 0,317 zł 0,304 zł 0,238 zł	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: 1,85 zł 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 1,85 zł 1,28 zł 0,629 zł 0,524 zł Reel 0,264 zł View 0,365 zł 0,317 zł 0,304 zł 0,238 zł	Min.: 1 Mult.: 1 : 10 000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: 416,24 zł 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	416,24 zł	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: 523,16 zł 4In Stock 56Expected 2/8/2027 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 2/8/2027	523,16 zł 464,20 zł	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF20CA-M3/I 4SMF20CA-M3/I Vishay Semiconductors 1: 1,85 zł 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 1,85 zł 1,28 zł 0,629 zł 0,524 zł Reel 0,264 zł View 0,365 zł 0,317 zł 0,304 zł 0,238 zł	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: 1,89 zł 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 1,89 zł 1,33 zł 0,651 zł 0,546 zł Reel 0,273 zł View 0,378 zł 0,33 zł 0,312 zł 0,246 zł	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0402 10kOhm 1% B-3455 HT Series B57232V5103A260 TDK 1: 0,607 zł 6 825In Stock New Product	Mfr. Part No. B57232V5103A260 Mouser Part No 871-B57232V5103A260 New Product	TDK	NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0402 10kOhm 1% B-3455 HT Series	Datasheet	6 825In Stock	Cut Tape 0,607 zł 0,554 zł 0,484 zł 0,458 zł Reel 0,317 zł View 0,405 zł 0,387 zł 0,348 zł 0,312 zł MouseReel Available	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: 1,66 zł 5 396In 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 396In Stock	Cut Tape 1,66 zł 1,14 zł 0,559 zł 0,471 zł Reel 0,282 zł View 0,326 zł 0,264 zł 0,233 zł 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: 1,85 zł 7 927In 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	7 927In Stock	Cut Tape 1,85 zł 1,28 zł 0,629 zł 0,524 zł Reel 0,264 zł View 0,365 zł 0,317 zł 0,304 zł 0,238 zł	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: 10,60 zł 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 10,60 zł 6,82 zł 5,54 zł 4,66 zł 3,78 zł Reel 3,22 zł	Min.: 1 Mult.: 1 : 3 000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: 1 976,83 zł 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	1 976,83 zł 1 623,20 zł 1 477,12 zł	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: 5,28 zł 2 216In 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 216In Stock 100Expected 11/17/2026	Cut Tape 5,28 zł 3,33 zł 2,18 zł 1,69 zł Reel 1,36 zł View 1,43 zł 1,23 zł 1,19 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: 11,22 zł 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 11,22 zł 7,26 zł 5,90 zł 5,02 zł 3,93 zł Reel 3,34 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 2% B25/50 3380K BTN06G103G3HF1T0A Bourns 1: 0,493 zł 7 749In Stock New Product	Mfr. Part No. BTN06G103G3HF1T0A Mouser Part No 652-BTN061033HF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 2% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7 749In Stock	Cut Tape 0,493 zł 0,444 zł 0,392 zł 0,321 zł Reel 0,242 zł View 0,286 zł 0,268 zł 0,229 zł 0,224 zł MouseReel Available	Min.: 1 Mult.: 1 : 4 000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 3% B25/50 4050K BTN06G473H4AF1T00 Bourns 1: 0,493 zł 8 000In Stock New Product	Mfr. Part No. BTN06G473H4AF1T00 Mouser Part No 652-BTN06473H4AF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 3% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8 000In Stock	Cut Tape 0,493 zł 0,444 zł 0,392 zł 0,321 zł Reel 0,242 zł View 0,286 zł 0,268 zł 0,229 zł 0,224 zł MouseReel Available	Min.: 1 Mult.: 1 : 4 000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104H4EF1T00 Bourns 1: 0,642 zł 2 783In Stock New Product	Mfr. Part No. BTN08G104H4EF1T00 Mouser Part No 652-TN08G104H4EF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2 783In Stock	Cut Tape 0,642 zł 0,559 zł 0,519 zł 0,414 zł Reel 0,246 zł View 0,378 zł 0,317 zł 0,286 zł 0,233 zł MouseReel Available	Min.: 1 Mult.: 1 : 4 000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: 2,27 zł 21 000In 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	21 000In Stock	Cut Tape 2,27 zł 1,59 zł 0,779 zł 0,651 zł View Reel 0,295 zł 0,449 zł 0,392 zł 0,374 zł 0,334 zł 0,295 zł MouseReel Available	Min.: 1 Mult.: 1 : 15 000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: 321,68 zł 9In 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		9In Stock 20Expected 1/1/2027	321,68 zł 266,86 zł 250,93 zł 209,09 zł View 195,23 zł 195,18 zł Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: 7,00 zł 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 7,00 zł 4,39 zł 2,88 zł 2,22 zł Reel 1,79 zł View 1,88 zł 1,65 zł MouseReel Available	Min.: 1 Mult.: 1 : 3 000

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Circuit Protection

Types of Circuit Protection