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: 360 061
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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Shibaura Electronics NTC (Negative Temperature Coefficient) Thermistors Assembly Probe CE1 Type R25=10kOhms 3% Temp. Range -30 to 80
Datasheet
100In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes SOD323 03V 400W BIDIR
Datasheet
1 909In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Bourns ESD Protection Diodes / TVS Diodes SOD323 36V 400W BIDIR
Datasheet
2 092In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

TDK NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series
Datasheet
2 800In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter
Datasheet
13In Stock
5Expected 01/10/2026
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL
Datasheet
4In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A
Datasheet
2In Stock
1Expected 17/09/2026
Min.: 1
Mult.: 1

Littelfuse Triacs 0.8A 600V Sens SOT-89
Datasheet
700In Stock
200On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Shibaura Electronics NTC (Negative Temperature Coefficient) Thermistors Assembly Probe CE2 Type R37=29.37kOhms 2.5% Temp. Range -20 to 90
Datasheet
99In Stock
Min.: 1
Mult.: 1

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A
Datasheet
4In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0805 10kOhm 1% B-3455 HT Series
Datasheet
2 641In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Eaton Electrical Circuit Breakers LG 3 POLE 150KA FRAME ONLY
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1
Citel P8AX09-N/FF/HE
Citel Connectorised Surge Protectors
Datasheet
3In Stock
Min.: 1
Mult.: 1
Littelfuse SMBJ33A-E
Littelfuse ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R
Datasheet
2 083In Stock
Min.: 1
Mult.: 1
: 3 000
Eaton Electrical Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU
Datasheet
1Expected 16/11/2026
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P
Datasheet
1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU
Datasheet
Non-Stocked Lead-Time 3 Weeks
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A
Datasheet
2 694In Stock
Min.: 1
Mult.: 1

Vishay ESD Protection Diodes / TVS Diodes 5KW, 33V 5%,BIDIR,SMC TVS
Datasheet
6 927In Stock
Min.: 1
Mult.: 1
: 3 500

HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology
Datasheet
8In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
Vishay ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS
Datasheet
2 240In Stock
Min.: 1
Mult.: 1
: 3 500