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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, w/ Bracket TSX-NFM-BF PolyPhaser 1: Rp3.032.043,42 6In Stock New Product	Mfr. Part No. TSX-NFM-BF Mouser Part No 44-TSX-NFM-BF New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, w/ Bracket Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	6In Stock	Rp3.032.043,42 Rp2.875.918,96	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down VHF50B43-MA-BD PolyPhaser 1: Rp4.282.873,70 4In Stock 4Expected 19/02/2027 New Product	Mfr. Part No. VHF50B43-MA-BD Mouser Part No 44-VHF50B43-MA-BD New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down	Datasheet	4In Stock 4Expected 19/02/2027	Rp4.282.873,70 Rp4.101.798,68	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX REX22D-TD1-100-DC24V-12A/16A/20A-E E-T-A 1: Rp2.065.209,22 5In Stock New Product	Mfr. Part No. REX22D-TD1-100-DC24V-12A/16A/20A-E Mouser Part No 457-REX22DTD1121620E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	5In Stock	Rp2.065.209,22 Rp1.743.420,38 Rp1.396.680,98 Rp1.385.489,92 View Rp1.334.671,50 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R BR24L70RP Eaton Electrical 1: Rp6.767.472,48 1In Stock New Product	Mfr. Part No. BR24L70RP Mouser Part No 504-BR24L70RP New Product	Eaton Electrical	Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R	Datasheet	1In Stock	Rp6.767.472,48 Rp4.727.764,20 Rp4.412.579,92 Rp4.055.750,22 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES PDGXAC Eaton Electrical 1: Rp4.112.072,44 4In Stock 7Expected 20/11/2026 New Product	Mfr. Part No. PDGXAC Mouser Part No 504-PDGXAC New Product	Eaton Electrical	Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES	Datasheet	4In Stock 7Expected 20/11/2026	Rp4.112.072,44 Rp3.408.136,42 Rp3.141.752,50 Rp2.595.592,08	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 2K1 2% blk 0.4e/1e A NTCLE213E3212GMB0A Vishay / BC Components 1: Rp22.565,58 1.960In Stock New Product	Mfr. Part No. NTCLE213E3212GMB0A Mouser Part No 594-NTCLE23E322GMB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 2K1 2% blk 0.4e/1e A	Datasheet	1.960In Stock	Rp22.565,58 Rp16.896,67 Rp13.521,00 Rp12.713,78 View Rp12.401,90 Rp10.420,53 Rp9.668,34 Rp8.585,93	Min.: 1 Mult.: 1
Fuse Holder FB1 FUSE BLOCK 110A FUSE FB1-110 Bourns 1: Rp1.390.810,26 117In Stock	Mfr. Part No. FB1-110 Mouser Part No 652-FB1-110	Bourns	Fuse Holder FB1 FUSE BLOCK 110A FUSE	Datasheet	117In Stock	Rp1.390.810,26 Rp1.153.596,48 Rp1.064.068,00 Rp880.608,00 View Rp810.893,20 Rp799.518,68	Min.: 1 Mult.: 1
Thermal Cut-offs THERMAL PROTECTOR RP-1B Sensata Technologies 1: Rp639.908,48 358In Stock New Product	Mfr. Part No. RP-1B Mouser Part No 682-RP-1B New Product	Sensata Technologies	Thermal Cut-offs THERMAL PROTECTOR Learn More about Sensata Technologies sensata rp thermal protectors	Datasheet	358In Stock	Rp639.908,48	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF10A-HE3_A08 Vishay Semiconductors 1: Rp12.475,28 60.000In Stock	Mfr. Part No. SMF10A-HE3_A08 Mouser Part No 78-SMF10A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	60.000In Stock	Cut Tape Rp12.475,28 Rp7.833,74 Rp5.008,46 Rp3.742,58 Reel Rp2.586,79 View Rp3.027,09 Rp2.550,09 Rp2.164,83 Rp2.054,75	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS SMBJ14AHE3_B/I Vishay Semiconductors 1: Rp16.694,86 8.748In Stock	Mfr. Part No. SMBJ14AHE3_B/I Mouser Part No 78-SMBJ14AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	8.748In Stock	Cut Tape Rp16.694,86 Rp10.402,18 Rp6.788,02 Rp5.118,53 Reel Rp4.274,62 View Rp4.659,88 Rp3.944,39 Rp3.283,93	Min.: 1 Mult.: 1 : 3.200
Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402 F0402G0R02FNTR KYOCERA AVX 1: Rp17.612,16 66.771In Stock	Mfr. Part No. F0402G0R02FNTR Mouser Part No 581-F0402G0R02FNTR	KYOCERA AVX	Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402	Datasheet	66.771In Stock	Cut Tape Rp17.612,16 Rp13.998,00 Rp11.796,48 Rp11.007,60 Reel Rp11.007,60 MouseReel Available	Min.: 1 Mult.: 1 : 5.000
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 3 GHz (Platform 3000), with SEMPER GDT 230 V 3402.17.3006-EX HUBER+SUHNER 1: Rp7.489.571,04 19In Stock New At Mouser	Mfr. Part No. 3402.17.3006-EX Mouser Part No 455-3402173006EX New At Mouser	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 3 GHz (Platform 3000), with SEMPER GDT 230 V Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	19In Stock	Rp7.489.571,04 Rp6.781.782,36 Rp6.555.025,80	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Vishay Semiconductors SM6T33AHE3_B/H SM6T33AHE3_B/H Vishay Semiconductors 1: Rp16.694,86 16.883In Stock	Mfr. Part No. SM6T33AHE3_B/H Mouser Part No 78-SM6T33AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	16.883In Stock	Cut Tape Rp16.694,86 Rp10.402,18 Rp6.788,02 Rp4.513,12 Reel Rp4.256,27 View Rp4.072,81 Rp3.705,89 Rp3.394,01 Rp3.283,93	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF12A-HE3_A08 Vishay Semiconductors 1: Rp12.475,28 26.672In Stock	Mfr. Part No. SMF12A-HE3_A08 Mouser Part No 78-SMF12A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	26.672In Stock	Cut Tape Rp12.475,28 Rp5.650,57 Rp4.953,42 Rp3.742,58 Reel Rp2.586,79 View Rp3.173,86 Rp2.550,09 Rp2.164,83 Rp2.109,79 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 3406.00.0036 HUBER+SUHNER 1: Rp4.726.296,52 8In Stock New Product	Mfr. Part No. 3406.00.0036 Mouser Part No 455-3406000036 New Product	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	8In Stock	Rp4.726.296,52 Rp4.279.021,04 Rp4.113.540,12	Min.: 1 Mult.: 1
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 3400.17.0230 HUBER+SUHNER 1: Rp7.539.839,08 7In Stock New Product	Mfr. Part No. 3400.17.0230 Mouser Part No 455-3400170230 New Product	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	7In Stock	Rp7.539.839,08 Rp6.827.463,90 Rp6.599.056,20	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS P4SMA30CAHE3_A/I Vishay Semiconductors 1: Rp14.676,80 15.746In Stock	Mfr. Part No. P4SMA30CAHE3_A/I Mouser Part No 78-P4SMA30CAHE3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	15.746In Stock	Cut Tape Rp14.676,80 Rp9.117,96 Rp5.962,45 Rp4.494,77 Reel Rp3.082,13 View Rp4.091,16 Rp3.742,58 Rp3.650,85 Rp2.843,63	Min.: 1 Mult.: 1 : 7.500
Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 0AMA-0050-TD Bel Fuse 1: Rp161.077,88 862In Stock	Mfr. Part No. 0AMA-0050-TD Mouser Part No 530-0AMA-0050-TD	Bel Fuse	Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA Learn More about Bel Fuse bel 0ama fast acting fuses	Datasheet	862In Stock	Cut Tape Rp161.077,88 Rp133.742,34 Rp123.285,12 Rp102.370,68 Reel Rp70.815,56 View Rp94.298,44 Rp74.851,68 Rp67.880,20 Rp64.944,84	Min.: 1 Mult.: 1 : 500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: Rp20.180,60 2.812In Stock	Mfr. Part No. GDT25-47-S1-RP Mouser Part No 652-GDT25-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL Learn More about Bourns gdt25 gdt arrestors	Datasheet	2.812In Stock	Cut Tape Rp20.180,60 Rp18.217,58 Rp15.337,26 Rp14.163,11 Reel Rp10.016,92 View Rp12.732,12 Rp11.741,44 Rp9.650,00 MouseReel Available	Min.: 1 Mult.: 1 : 1.500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V GDT28H-270-BRP Bourns 1: Rp33.206,26 1.909In Stock	Mfr. Part No. GDT28H-270-BRP Mouser Part No 652-GDT28H-270-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V Learn More about Bourns gdt28h gdts	Datasheet	1.909In Stock	Cut Tape Rp33.206,26 Rp30.087,44 Rp25.500,94 Rp23.482,88 Reel Rp17.098,47 View Rp21.097,90 Rp19.079,84 Rp15.649,14 Rp14.896,95 MouseReel Available	Min.: 1 Mult.: 1 : 1.000
Surface Mount Fuses 1206 high-current met-foil. 15A SF-1206HH1500R-2 Bourns 1: Rp11.924,90 9.000In Stock	Mfr. Part No. SF-1206HH1500R-2 Mouser Part No 652-SF-1206HH1500R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 15A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	9.000In Stock	Cut Tape Rp11.924,90 Rp11.429,56 Rp9.613,30 Rp8.457,51 View Reel Rp7.063,21 Rp7.595,24 Rp7.063,21 Rp7.063,21 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Automotive Fuses AMG BOLT-IN FUSE - 200A Bussmann / Eaton BK-AMG-200 BK-AMG-200 Bussmann / Eaton 1: Rp197.586,42 50In Stock New Product	Mfr. Part No. BK-AMG-200 Mouser Part No 504-K-AMG-200 New Product	Bussmann / Eaton	Automotive Fuses AMG BOLT-IN FUSE - 200A		50In Stock	Rp197.586,42 Rp181.441,94 Rp173.369,70 Rp133.375,42 View Rp115.579,80 Rp106.590,26 Rp97.784,18 Rp89.895,40	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 5KMC60AS_R1_00001 Panjit 1: Rp47.332,68 3.100In Stock	Mfr. Part No. 5KMC60AS_R1_00001 Mouser Part No 241-5KMC60AS	Panjit	ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC Learn More about Panjit 5kmc tvs diodes	Datasheet	3.100In Stock	Cut Tape Rp47.332,68 Rp30.454,36 Rp24.583,64 Rp20.730,98 Reel Rp14.823,57 View Rp16.217,86 Rp12.145,05 Rp11.851,52 MouseReel Available	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes ESD 24V BI PGB2010201KR-24NR Littelfuse 1: Rp21.281,36 15.000In Stock	Mfr. Part No. PGB2010201KR-24NR Mouser Part No 576-PGB2010201KR24NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 24V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15.000In Stock	Cut Tape Rp21.281,36 Rp9.833,46 Rp8.696,00 Rp6.732,98 View Reel Rp4.641,54 Rp6.641,25 Rp6.347,72 Rp6.237,64 Rp4.641,54 Rp4.641,54	Min.: 1 Mult.: 1 : 15.000
Circuit Breakers MICO 4.10 SPEED-START electronic circuit protection, 4 channels, IN: 24 V DC OUT: 24 V DC / 4-6-8-10 A, Optimized startup behavior 9000-41034-0401005 Murrelektronik 1: Rp7.293.085,38 6In Stock	Mfr. Part No. 9000-41034-0401005 Mouser Part No 867-9000410340401005	Murrelektronik	Circuit Breakers MICO 4.10 SPEED-START electronic circuit protection, 4 channels, IN: 24 V DC OUT: 24 V DC / 4-6-8-10 A, Optimized startup behavior Learn More about Murrelektronik mico classic modules	Datasheet	6In Stock	Rp7.293.085,38	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection