Circuit Protection

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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Please view our selection of circuit protection devices below.
Results: 362,309
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B 47In Stock
€164.14
€157.20
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 14In Stock
€169.57
€162.39
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Hole Mount 19In Stock
€184.49
€176.69
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 7In Stock
€353.44
€320.05
€309.34
Min.: 1
Mult.: 1
Eaton Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11 33In Stock
26Expected 29/10/2026
€1,041.80
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 10K +/-1% Glass Bead, B3435, 300C 500In Stock
€2.28
€1.96
€1.87
€1.69
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C 462In Stock
€2.12
€1.83
€1.74
€1.58
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 492In Stock
€1.02
€0.877
€0.832
€0.756
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C 490In Stock
€3.11
€2.68
€2.55
€2.43
Min.: 1
Mult.: 1
Bussmann / Eaton Automotive Fuses 50A 32V TIME DELAY 68In Stock
€4.00
€3.96
€2.95
€2.74
Min.: 1
Mult.: 1
Diotec Semiconductor ESD Protection Diodes / TVS Diodes ESD, DFN1006-2, 51V, 24V, 0.5A, Bidir, AEC-Q101 9,970In Stock
€0.318
€0.151
€0.132
€0.097
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 457In Stock
€1.13
€0.972
€0.92
€0.842
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire 496In Stock
€1.93
€1.66
€1.58
€1.44
Min.: 1
Mult.: 1
Littelfuse Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC 291In Stock
€10.38
€10.02
€9.65
€7.42
Min.: 1
Mult.: 1
TDK NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR G1540 / 50k/ 2% 975In Stock
€4.39
€3.77
€3.29
€2.93
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount 8In Stock
18On Order
€170.93
€163.69
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 2In Stock
€2,375.67
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B3942, uninsulated wire 500In Stock
€1.93
€1.66
€1.58
€1.44
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B4260, uninsulated wire 500In Stock
€1.93
€1.66
€1.58
€1.44
Min.: 1
Mult.: 1
Taiwan Semiconductor ESD Protection Diodes / TVS Diodes 600W, 18V, Automotive, Bidirectional, TVS 9,800In Stock
Cut Tape
€0.464
€0.211
€0.178
€0.137
Reel
€0.084
Min.: 1
Mult.: 1
: 14,000
Eaton Electronics ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni 2,976In Stock
Cut Tape
€0.559
€0.389
€0.19
€0.159
Reel
€0.077
Min.: 1
Mult.: 1
: 5,000
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977,Teflon insulated wire 500In Stock
€2.07
€1.79
€1.69
€1.54
Min.: 1
Mult.: 1
Eaton Electrical JT3250FA
Eaton Electrical Circuit Breaker Accessories 250A 3P Thermal Mag Fixed/Adj Trip Unit 1In Stock
€1,550.68
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, uninsulated wire 395In Stock
105Expected 12/11/2026
€1.63
€1.43
€1.37
€1.26
Min.: 1
Mult.: 1
CTS Electronic Components NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire Lead-Time 15 Weeks
€2.07
€1.79
€1.69
€1.54
Min.: 1
Mult.: 1