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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ-60NFNF-A PolyPhaser 1: $195.59 3In Stock 1Expected 12/11/2026 New Product	Mfr. Part No. DGXZ-60NFNF-A Mouser Part No 44-DGXZ-60NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	3In Stock 1Expected 12/11/2026	$195.59 $187.32	Min.: 1 Mult.: 1
Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM HT-RO-TSX-DCDFM PolyPhaser 1: $257.12 5In Stock New Product	Mfr. Part No. HT-RO-TSX-DCDFM Mouser Part No 44-HT-RO-TSX-DCDFM New Product	PolyPhaser	Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM Learn More about PolyPhaser tsx ht hemp tested rf surge protectors	Datasheet	5In Stock	$257.12 $246.24	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50HN-C0-MA PolyPhaser 1: $123.94 2In Stock 43On Order New Product	Mfr. Part No. IS-B50HN-C0-MA Mouser Part No 44-IS-B50HN-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	2In Stock 43On Order On Order Ship Dates Mfr. No: IS-B50HN-C0-MA Stock: 2 Can Dispatch Immediately On Order: 5 Pending 17 Expected 02/11/2026 21 Expected 09/11/2026 Factory Lead Time: 2 Weeks	$123.94 $117.56	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50LU-C0-MA PolyPhaser 1: $139.44 3In Stock New Product	Mfr. Part No. IS-B50LU-C0-MA Mouser Part No 44-IS-B50LU-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	3In Stock	$139.44 $132.25	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B IX-5T PolyPhaser 1: $255.54 3In Stock New Product	Mfr. Part No. IX-5T Mouser Part No 44-IX-5T New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B	Datasheet	3In Stock	$255.54 $244.73	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E E-T-A 1: $127.47 4In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E Mouser Part No 457-REX22DTD22336CLE New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	$127.47 $106.22 $102.32 $92.79 View $89.03 Quote	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU PDG23F0020TFFJ Eaton Electrical 1: $738.62 2In Stock New Product	Mfr. Part No. PDG23F0020TFFJ Mouser Part No 504-PDG23F0020TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU	Datasheet	2In Stock	$738.62 $611.87 $563.91	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU PDG23F0200TFFJ Eaton Electrical 1: $1,339.55 1In Stock New Product	Mfr. Part No. PDG23F0200TFFJ Mouser Part No 504-PDG23F0200TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU	Datasheet	1In Stock	$1,339.55	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 10219128-03 TE Connectivity 1: $662.37 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	$662.37 $505.07 View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A NTCLE213E3103FHB0A Vishay / BC Components 1: $1.93 422In Stock 1,500Expected 19/11/2026 New Product	Mfr. Part No. NTCLE213E3103FHB0A Mouser Part No 594-NTCLE213E313FHB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A	Datasheet	422In Stock 1,500Expected 19/11/2026	$1.93 $1.45 $1.16 $1.09 View $1.06 $0.89 $0.82 $0.755	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A NTCLE213E3123GMB0A Vishay / BC Components 1: $1.17 1,899In Stock New Product	Mfr. Part No. NTCLE213E3123GMB0A Mouser Part No 594-NTCLE23E323GMB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A	Datasheet	1,899In Stock	$1.17 $0.877 $0.702 $0.66 View $0.644 $0.54 $0.508 $0.466	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS P4SMA30CAHE3_A/I Vishay Semiconductors 1: $0.80 17,246In 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	17,246In Stock	Cut Tape $0.80 $0.497 $0.325 $0.245 Reel $0.168 View $0.223 $0.204 $0.199 $0.155	Min.: 1 Mult.: 1 : 7,500
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA260CA Littelfuse 1: $31.80 727In Stock	Mfr. Part No. 30KPA260CA Mouser Part No 576-30KPA260CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	727In Stock	Cut Tape $31.80 $25.17 $23.18 $21.99 $21.85 Reel $21.41	Min.: 1 Mult.: 1 : 800
Fuse Holder FB1 FUSE BLOCK 110A FUSE FB1-110 Bourns 1: $75.81 117In Stock	Mfr. Part No. FB1-110 Mouser Part No 652-FB1-110	Bourns	Fuse Holder FB1 FUSE BLOCK 110A FUSE	Datasheet	117In Stock	$75.81 $62.88 $58.00 $48.00 View $44.20 $43.58	Min.: 1 Mult.: 1
Thermal Cut-offs THERMAL PROTECTOR RP-1B Sensata Technologies 1: $34.88 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	$34.88	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF10A-HE3_A08 Vishay Semiconductors 1: $0.68 30,000In Stock 30,000On Order	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	30,000In Stock 30,000On Order	Cut Tape $0.68 $0.427 $0.273 $0.204 Reel $0.141 View $0.165 $0.139 $0.118 $0.112	Min.: 1 Mult.: 1 : 3,000
Power Outlet Strips 12 Outlet (Rt Angle) RS1215-RA Tripp Lite Restricted Availability	Mfr. Part No. RS1215-RA Mouser Part No 545-RS1215-RA	Tripp Lite	Power Outlet Strips 12 Outlet (Rt Angle) Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET KXT5MOE110-125 ABB 1: $1,540.96 19In Stock New At Mouser	Mfr. Part No. KXT5MOE110-125 Mouser Part No 894-KXT5MOE110-125 New At Mouser	ABB	Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET	Datasheet	19In Stock	$1,540.96	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: $0.91 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 $0.91 $0.567 $0.37 $0.246 Reel $0.232 View $0.222 $0.202 $0.185 $0.179	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF12A-HE3_A08 Vishay Semiconductors 1: $0.68 26,704In 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	26,704In Stock	Cut Tape $0.68 $0.308 $0.27 $0.204 Reel $0.141 View $0.173 $0.139 $0.118 $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402 F0402G0R02FNTR KYOCERA AVX 1: $0.96 68,771In Stock	Mfr. Part No. F0402G0R02FNTR Mouser Part No 581-F0402G0R02FNTR	KYOCERA AVX	Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402	Datasheet	68,771In Stock	Cut Tape $0.96 $0.763 $0.643 $0.60 Reel $0.60 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS SMBJ14AHE3_B/I Vishay Semiconductors 1: $0.91 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 $0.91 $0.567 $0.37 $0.279 Reel $0.233 View $0.254 $0.215 $0.179	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF28A-HE3_A08 Vishay Semiconductors 1: $0.68 17,155In Stock	Mfr. Part No. SMF28A-HE3_A08 Mouser Part No 78-SMF28A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	17,155In Stock	Cut Tape $0.68 $0.427 $0.273 $0.204 Reel $0.141 View $0.165 $0.139 $0.118 $0.102	Min.: 1 Mult.: 1 : 3,000
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz 3402.26.0002 HUBER+SUHNER 1: $582.39 50In Stock	Mfr. Part No. 3402.26.0002 Mouser Part No 455-3402260002	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	50In Stock	$582.39 $349.07 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA270CA Littelfuse 1: $31.80 761In Stock	Mfr. Part No. 30KPA270CA Mouser Part No 576-30KPA270CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	761In Stock	Cut Tape $31.80 $25.17 $23.18 $21.99 Reel $21.55 Quote Quote	Min.: 1 Mult.: 1 : 800

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Circuit Protection

Types of Circuit Protection