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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A PDG3XPXR30600P2M Eaton Electrical 1: ¥538,453 1In Stock New Product	Mfr. Part # PDG3XPXR30600P2M Mouser Part # 504-PDG3XPXR30600P2M New Product	Eaton Electrical	Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A	Datasheet	1In Stock	¥538,453	Min.: 1 Mult.: 1
Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V QBHW2015HT Eaton Electrical 1: ¥164,595.1 3In Stock New Product	Mfr. Part # QBHW2015HT Mouser Part # 504-QBHW2015HT New Product	Eaton Electrical	Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V	Datasheet	3In Stock	¥164,595.1 ¥131,509.7 ¥125,548.3 View Quote	Min.: 1 Mult.: 1
Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap CS3-100 PolyPhaser 1: ¥204,703.3 3In Stock New Product	Mfr. Part # CS3-100 Mouser Part # 44-CS3-100 New Product	PolyPhaser	Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap Learn More about PolyPhaser surge protector accessories	Datasheet	3In Stock	¥204,703.3	Min.: 1 Mult.: 1
Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount DGXE+24DMDF-A PolyPhaser 1: ¥36,679.9 26In Stock New Product	Mfr. Part # DGXE+24DMDF-A Mouser Part # 44-DGXE+24DMDF-A New Product	PolyPhaser	Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	26In Stock	¥36,679.9 ¥35,128.5	Min.: 1 Mult.: 1
Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFF PolyPhaser 1: ¥23,161 19In Stock New Product	Mfr. Part # GPS+06NFF Mouser Part # 44-GPS+06NFF New Product	PolyPhaser	Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	19In Stock	¥23,161 ¥21,966.7	Min.: 1 Mult.: 1
Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2 PolyPhaser 1: ¥16,297.7 78In Stock 51On Order New Product	Mfr. Part # IS-50NX-C2 Mouser Part # 44-IS-50NX-C2 New Product	PolyPhaser	Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	78In Stock 51On Order On Order Ship Dates Mfr. #: IS-50NX-C2 Stock: 78 Can Ship Immediately On Order: 19 Expected 10/30/2026 32 Expected 11/6/2026 Factory Lead-Time: 4 Weeks	¥16,297.7 ¥15,457.3	Min.: 1 Mult.: 1
Connectorized Surge Protectors UHF F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50UX-C0 PolyPhaser 1: ¥14,008.9 106In Stock 33Expected 11/6/2026 New Product	Mfr. Part # IS-50UX-C0 Mouser Part # 44-IS-50UX-C0 New Product	PolyPhaser	Connectorized Surge Protectors UHF F/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	106In Stock 33Expected 11/6/2026	¥14,008.9 ¥13,288	Min.: 1 Mult.: 1
Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C0 PolyPhaser 1: ¥16,297.7 72In Stock 32On Order New Product	Mfr. Part # IS-B50LN-C0 Mouser Part # 44-IS-B50LN-C0 New Product	PolyPhaser	Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	72In Stock 32On Order On Order Ship Dates Mfr. #: IS-B50LN-C0 Stock: 72 Can Ship Immediately On Order: 16 Expected 11/27/2026 16 Expected 12/16/2026 Factory Lead-Time: 8 Weeks	¥16,297.7 ¥15,457.3	Min.: 1 Mult.: 1
Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B IX-2DC48 PolyPhaser 1: ¥30,309.9 10In Stock New Product	Mfr. Part # IX-2DC48 Mouser Part # 44-IX-2DC48 New Product	PolyPhaser	Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B	Datasheet	10In Stock	¥30,309.9 ¥28,748.6	Min.: 1 Mult.: 1
Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B IXG-05 PolyPhaser 1: ¥31,701.8 47In Stock New Product	Mfr. Part # IXG-05 Mouser Part # 44-IXG-05 New Product	PolyPhaser	Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B Learn More about PolyPhaser ixg 05 lightning surge protector	Datasheet	47In Stock	¥31,701.8 ¥30,361.4	Min.: 1 Mult.: 1
Connectorized Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-4310FF-P PolyPhaser 1: ¥32,749.9 14In Stock New Product	Mfr. Part # TSX-4310FF-P Mouser Part # 44-TSX-4310FF-P New Product	PolyPhaser	Connectorized Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	14In Stock	¥32,749.9 ¥31,364.7	Min.: 1 Mult.: 1
Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 3400.17.0230 HUBER+SUHNER 1: ¥68,263.8 7In Stock New Product	Mfr. Part # 3400.17.0230 Mouser Part # 455-3400170230 New Product	HUBER+SUHNER	Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	7In Stock	¥68,263.8 ¥61,814.1 ¥59,746.2	Min.: 1 Mult.: 1
Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11 T9092B-CBSF Eaton 1: ¥201,213.5 28In Stock 26Expected 10/29/2026	Mfr. Part # T9092B-CBSF Mouser Part # 545-T9092B-CBSF	Eaton	Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11	Datasheet	28In Stock 26Expected 10/29/2026	¥201,213.5 View Quote	Min.: 1 Mult.: 1
Automotive Fuses 50A 32V TIME DELAY BK-AMI-050 Bussmann / Eaton 1: ¥772.4 68In Stock New Product	Mfr. Part # BK-AMI-050 Mouser Part # 504-K-AMI-050 New Product	Bussmann / Eaton	Automotive Fuses 50A 32V TIME DELAY		68In Stock	¥772.4 ¥764.1 ¥569.7 ¥529.9 View ¥400.3 ¥380.4 ¥373.7 ¥363.8	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD, DFN1006-2, 51V, 24V, 0.5A, Bidir, AEC-Q101 ESD9BL24P-AQ Diotec Semiconductor 1: ¥61.5 9,970In Stock New Product	Mfr. Part # ESD9BL24P-AQ Mouser Part # 637-ESD9BL24P-AQ New Product	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes ESD, DFN1006-2, 51V, 24V, 0.5A, Bidir, AEC-Q101 Learn More about Diotec Semiconductor diotec esd9bl24p aq diode	Datasheet	9,970In Stock	¥61.5 ¥29.1 ¥25.4 ¥18.8 View ¥9.6 ¥8.3	Min.: 1 Mult.: 1
NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-8 CTS Electronic Components 1: ¥217.6 457In Stock New Product	Mfr. Part # TTDO-10KC3-8 Mouser Part # 774-TTDO10KC38 New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	457In Stock	¥217.6 ¥187.7 ¥177.7 ¥162.6 View ¥149.7 ¥146.7 ¥140.4 ¥130.9 ¥124.1	Min.: 1 Mult.: 1
NTC Thermistors 2.186K +/-1% Glass Bead, B3390,300C TT2-2.186KC7L-1 CTS Electronic Components 1: ¥601.3 490In Stock New Product	Mfr. Part # TT2-2.186KC7L-1 Mouser Part # 774-TT22.186KC7L1 New Product	CTS Electronic Components	NTC Thermistors 2.186K +/-1% Glass Bead, B3390,300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	490In Stock	¥601.3 ¥518.2 ¥491.7 ¥468.4 View ¥446.8 ¥410.3 ¥403.6 ¥387 ¥360.4	Min.: 1 Mult.: 1
NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-6-5% CTS Electronic Components 1: ¥197.7 487In Stock New Product	Mfr. Part # TTDO-10KC3-6-5% Mouser Part # 774-TTDO10KC365% New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	487In Stock	¥197.7 ¥169.4 ¥160.8 ¥146 View ¥145 ¥123.1 ¥117.4 ¥111.3	Min.: 1 Mult.: 1
NTC Thermistors 10K +/-1% Glass Bead, B3435, 300C TT2-10KC8-8 CTS Electronic Components 1: ¥440.2 500In Stock New Product	Mfr. Part # TT2-10KC8-8 Mouser Part # 774-TT210KC88 New Product	CTS Electronic Components	NTC Thermistors 10K +/-1% Glass Bead, B3435, 300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	500In Stock	¥440.2 ¥378.7 ¥360.4 ¥327.2 View ¥299 ¥295.7 ¥282.4 ¥264.1 ¥252.5	Min.: 1 Mult.: 1
NTC Thermistors 30K +/-1% Glass Bead, B3990, 300C TT2-30KC5-3 CTS Electronic Components 1: ¥410.3 462In Stock New Product	Mfr. Part # TT2-30KC5-3 Mouser Part # 774-TT230KC53 New Product	CTS Electronic Components	NTC Thermistors 30K +/-1% Glass Bead, B3990, 300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	462In Stock	¥410.3 ¥353.8 ¥335.5 ¥305.6 View ¥279 ¥275.7 ¥264.1 ¥245.8 ¥235.9	Min.: 1 Mult.: 1
NTC Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire TTS-1KC3-BG CTS Electronic Components 1: ¥372.1 496In Stock New Product	Mfr. Part # TTS-1KC3-BG Mouser Part # 774-TTS1KC3BG New Product	CTS Electronic Components	NTC Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire Learn More about CTS Electronic Components cts tt s thermistors	Datasheet	496In Stock	¥372.1 ¥320.6 ¥305.6 ¥277.4 View ¥274.1 ¥232.5 ¥222.6 ¥210.9	Min.: 1 Mult.: 1
Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount IS-NEMP-C0 PolyPhaser 1: ¥33,012.4 8In Stock 18On Order New Product	Mfr. Part # IS-NEMP-C0 Mouser Part # 44-IS-NEMP-C0 New Product	PolyPhaser	Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	8In Stock 18On Order On Order Ship Dates Mfr. #: IS-NEMP-C0 Stock: 8 Can Ship Immediately On Order: 10 Pending 8 Expected 5/14/2027 Factory Lead-Time: 15 Weeks	¥33,012.4 ¥31,615.5	Min.: 1 Mult.: 1
Connectorized Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL GT-NFF-AL25 PolyPhaser 1: ¥146,800.8 4In Stock New Product	Mfr. Part # GT-NFF-AL25 Mouser Part # 44-GT-NFF-AL25 New Product	PolyPhaser	Connectorized Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL	Datasheet	4In Stock	¥146,800.8	Min.: 1 Mult.: 1
Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC 3298080.ZXM10 Littelfuse 1: ¥2,322.1 289In Stock New Product	Mfr. Part # 3298080.ZXM10 Mouser Part # 576-3298080.ZXM10 New Product	Littelfuse	Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC	Datasheet	289In Stock	¥2,322.1 ¥2,167.6 ¥1,712.5 ¥1,460 View ¥1,337.1 ¥1,290.6 ¥1,288.9 ¥1,275.6 Quote	Min.: 1 Mult.: 1
NTC Thermistors NTC THERMISTOR G1540 / 50k/ 2% B57540G1503G000 TDK 1: ¥848.8 975In Stock New Product	Mfr. Part # B57540G1503G000 Mouser Part # 871-B57540G1503G000 New Product	TDK	NTC Thermistors NTC THERMISTOR G1540 / 50k/ 2% Learn More about TDK thermistors	Datasheet	975In Stock	¥848.8 ¥727.5 ¥636.2 ¥566.4 View ¥538.2 ¥523.2 ¥445.1 ¥431.9	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection