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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 (CZK) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm 20016752-02 TE Connectivity 1: 30 740,69 Kč 14In Stock New Product	Mfr. Part No. 20016752-02 Mouser Part No 571-20016752-02 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	14In Stock	30 740,69 Kč 28 103,90 Kč 25 885,71 Kč View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 1000mm ENG MODEL 10219128-01 TE Connectivity 1: 10 604,06 Kč 1In Stock New Product	Mfr. Part No. 10219128-01 Mouser Part No 571-10219128-01 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 1000mm ENG MODEL Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	10 604,06 Kč 8 507,84 Kč 8 430,90 Kč View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS 4SMF17CA-M3/I Vishay Semiconductors 1: 10,42 Kč 7 840In 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 840In Stock	Cut Tape 10,42 Kč 7,20 Kč 3,54 Kč 2,94 Kč Reel 1,34 Kč View 2,05 Kč 1,78 Kč 1,61 Kč 1,24 Kč	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS 4SMF18CA-M3/I Vishay Semiconductors 1: 10,42 Kč 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 10,42 Kč 7,20 Kč 3,54 Kč 2,94 Kč Reel 1,34 Kč View 2,05 Kč 1,78 Kč 1,61 Kč 1,24 Kč	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 4SMF10CA-M3/I Vishay Semiconductors 1: 10,42 Kč 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 10,42 Kč 7,20 Kč 3,54 Kč 2,94 Kč Reel 1,34 Kč View 2,05 Kč 1,78 Kč 1,61 Kč 1,24 Kč	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 10219128-03 TE Connectivity 1: 14 092,89 Kč 2In Stock New Product	Mfr. Part No. 10219128-03 Mouser Part No 571-10219128-03 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	2In Stock	14 092,89 Kč 10 746,07 Kč 10 648,84 Kč View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS 4SMF20CA-M3/I Vishay Semiconductors 1: 10,42 Kč 7 903In 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 903In Stock	Cut Tape 10,42 Kč 7,20 Kč 3,54 Kč 2,94 Kč Reel 1,34 Kč View 2,05 Kč 1,78 Kč 1,61 Kč 1,24 Kč	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS 4SMF26CA-M3/I Vishay Semiconductors 1: 10,64 Kč 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 10,64 Kč 7,47 Kč 3,66 Kč 3,07 Kč Reel 1,41 Kč View 2,13 Kč 1,86 Kč 1,66 Kč 1,29 Kč	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS 4SMF24CA-M3/I Vishay Semiconductors 1: 10,64 Kč 7 483In Stock 20 000Expected 12/8/2026 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	7 483In Stock 20 000Expected 12/8/2026	Cut Tape 10,64 Kč 7,47 Kč 3,66 Kč 3,07 Kč Reel 1,41 Kč View 2,13 Kč 1,86 Kč 1,66 Kč 1,29 Kč	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 20016752-01 TE Connectivity 1: 20 241,53 Kč 1In Stock New Product	Mfr. Part No. 20016752-01 Mouser Part No 571-20016752-01 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	20 241,53 Kč 16 241,81 Kč View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A NTCALUG54A103F640A Vishay / BC Components 1: 65,81 Kč 345In 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	345In Stock	65,81 Kč 49,48 Kč 44,04 Kč 41,81 Kč View 40,57 Kč 40,33 Kč 35,13 Kč 34,14 Kč 32,90 Kč	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS 4SMF58CAHM3/I Vishay Semiconductors 1: 10,22 Kč 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 10,22 Kč 7,00 Kč 3,96 Kč 3,12 Kč Reel 1,90 Kč View 2,65 Kč 2,23 Kč 2,13 Kč 1,73 Kč	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V PEC3205M1Q-AU_R1_005A1 Panjit 1: 2,77 Kč 18 359In 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	18 359In Stock	Cut Tape 2,77 Kč 2,38 Kč 1,29 Kč 0,816 Kč Reel 0,346 Kč View 0,544 Kč 0,47 Kč 0,421 Kč 0,297 Kč MouseReel Available	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS 4SMF16CA-M3/I Vishay Semiconductors 1: 10,42 Kč 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 10,42 Kč 7,20 Kč 3,54 Kč 2,94 Kč Reel 1,34 Kč View 2,05 Kč 1,78 Kč 1,61 Kč 1,24 Kč	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: 59,38 Kč 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 59,38 Kč 38,10 Kč 30,93 Kč 25,98 Kč Reel 17,99 Kč View 20,41 Kč 18,68 Kč 16,33 Kč 15,93 Kč	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: 12,77 Kč 10 010In 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	10 010In Stock	Cut Tape 12,77 Kč 7,82 Kč 4,97 Kč 4,16 Kč Reel 2,33 Kč View 3,36 Kč 2,87 Kč 2,75 Kč 2,23 Kč MouseReel Available	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP3 Type R200=1.0kOhms 5% Temp. Range -40 to 200 PL3FC-312-MP3 Shibaura Electronics 1: 257,79 Kč 98In Stock New Product	Mfr. Part No. PL3FC-312-MP3 Mouser Part No 603-PL3FC-312-MP3 New Product	Shibaura Electronics	NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP3 Type R200=1.0kOhms 5% Temp. Range -40 to 200 Learn More about Shibaura Electronics shibaura ntc thermistor temp sensors	Datasheet	98In Stock	257,79 Kč 234,78 Kč 199,65 Kč 190,75 Kč View 177,88 Kč 166,50 Kč 154,63 Kč 149,92 Kč	Min.: 1 Mult.: 1
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: 72,24 Kč 200In 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	200In Stock	72,24 Kč 45,77 Kč 41,56 Kč 35,38 Kč View 33,15 Kč 29,19 Kč 24,05 Kč 22,34 Kč	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A SVS1871P3UU.N Semtech 1: 11,48 Kč 7 000In 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 000In Stock	Cut Tape 11,48 Kč 7,08 Kč 4,48 Kč 3,59 Kč Reel 2,20 Kč View 3,02 Kč 2,55 Kč 2,35 Kč 2,05 Kč MouseReel Available	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 20012616-00 TE Connectivity 1: 8 131,30 Kč 1In Stock New Product	Mfr. Part No. 20012616-00 Mouser Part No 571-20012616-00 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	8 131,30 Kč 6 525,18 Kč 6 466,05 Kč View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 2% B25/50 4050K BTN06G473G4AF1T00 Bourns 1: 2,77 Kč 8 000In Stock New Product	Mfr. Part No. BTN06G473G4AF1T00 Mouser Part No 652-BTN064734AF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 2% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8 000In Stock	Cut Tape 2,77 Kč 2,50 Kč 2,20 Kč 1,81 Kč Reel 1,36 Kč View 1,61 Kč 1,51 Kč 1,29 Kč 1,26 Kč MouseReel Available	Min.: 1 Mult.: 1 : 4 000
NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series B57621C5502H062 TDK 1: 17,44 Kč 2 800In Stock New Product	Mfr. Part No. B57621C5502H062 Mouser Part No 871-B57621C5502H062 New Product	TDK	NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series	Datasheet	2 800In Stock	Cut Tape 17,44 Kč 16,43 Kč 13,38 Kč 12,57 Kč View Reel 9,08 Kč 12,25 Kč 10,71 Kč 10,29 Kč 9,08 Kč MouseReel Available	Min.: 1 Mult.: 1 : 4 000
ESD Protection Diodes / TVS Diodes 15V, Uni-directional, 20A-80A SVS1571P3UU.N Semtech 1: 11,48 Kč 7 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		7 000In Stock	Cut Tape 11,48 Kč 7,08 Kč 4,48 Kč 3,59 Kč Reel 2,20 Kč View 3,02 Kč 2,55 Kč 2,35 Kč 2,05 Kč MouseReel Available	Min.: 1 Mult.: 1 : 10 000
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: 3 531,39 Kč 1In Stock 56Expected 1/12/2027 New Product	Mfr. Part No. AK10-550C-FL Mouser Part No 576-AK10-550C-FL New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL Learn More about Littelfuse ak fl tvs diodes	Datasheet	1In Stock 56Expected 1/12/2027	3 531,39 Kč 3 224,12 Kč	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: 12 435,31 Kč 2In Stock 1Expected 11/2/2026 New Product	Mfr. Part No. ESR3XLUB0315XI Mouser Part No 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 11/2/2026	12 435,31 Kč 10 210,69 Kč 9 291,85 Kč	Min.: 1 Mult.: 1

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