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: 375,794
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Triacs 400V 4A Sensing 5-5-5-5mA 1,776In Stock
$3.01
$1.52
$1.37
$1.24
Min.: 1
Mult.: 1
Littelfuse Triacs 600V 15A 50-50-50mA 1,366In Stock
$4.40
$2.44
$2.18
Min.: 1
Mult.: 1
Littelfuse Triacs 800V 25A 80-80-80mA 794In Stock
$6.48
$3.49
$3.41
Min.: 1
Mult.: 1
Littelfuse SCRs 55A 400V 1,879In Stock
Cut Tape
$7.01
$4.54
$3.45
Reel
$3.15
Min.: 1
Mult.: 1
: 500
Littelfuse SCRs 600V 40A 15mA TO220 High Temp 150c SCRs 883In Stock
$5.53
$3.72
$2.81
Min.: 1
Mult.: 1
KYOCERA AVX Surface Mount Fuses 1206 0.37AMPS SMD 2,969In Stock
Cut Tape
$1.63
$1.30
$1.07
$0.955
Reel
$0.617
Min.: 1
Mult.: 1
: 3,000
Vishay / BC Components Varistors 1206 35volts 45A 50.4V to 61.6V 6,708In Stock
Cut Tape
$0.62
$0.392
$0.317
$0.303
Reel
$0.255
Min.: 1
Mult.: 1
: 3,000
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K/2% 3984K/0.5% AEC-Q200 70mm 1,333In Stock
$2.79
$2.28
$1.84
$1.72
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 47k 1% SMD High B AUTO GRADE 8,624In Stock
Cut Tape
$0.27
$0.238
$0.212
$0.196
Reel
$0.172
Min.: 1
Mult.: 1
: 10,000
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 68Kohms 3% 7,906In Stock
Cut Tape
$0.45
$0.42
$0.391
$0.372
Reel
$0.252
Min.: 1
Mult.: 1
: 4,000
Diodes Incorporated ESD Protection Diodes / TVS Diodes 1500W 7.5V 15,301In Stock
Cut Tape
$2.22
$1.20
$1.07
$0.951
Reel
$0.498
Min.: 1
Mult.: 1
: 3,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 5000W 160V Unidirect 1,196In Stock
Cut Tape
$4.12
$2.76
$2.14
$1.92
Reel
$1.50
Min.: 1
Mult.: 1
: 800
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 24V Bidirect 10,495In Stock
Cut Tape
$1.05
$0.512
$0.428
$0.326
Reel
$0.234
Min.: 1
Mult.: 1
: 4,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 500W 15V Unidirect 5,608In Stock
$1.36
$0.855
$0.635
$0.564
Reel
$0.295
Min.: 1
Mult.: 1
: 2,000
Bourns Thermal Cut-offs Super HC TCO 90C w/o projection 1,458In Stock
$1.66
$1.58
$1.49
$1.42
Min.: 1
Mult.: 1
Bourns Resettable Fuses - PPTC PTC 0.08A 250V SMD 2920 TELECOM 11,573In Stock
Cut Tape
$0.59
$0.544
$0.451
$0.417
Reel
$0.311
Min.: 1
Mult.: 1
: 2,000
Bourns Thermal Cut-offs Trip Temp 72c 5c TOL 3,011In Stock
$1.35
$1.31
$1.26
$1.22
Min.: 1
Mult.: 1
Bourns Thermal Cut-offs HC TCO 85C BL-51 7,337In Stock
Cut Tape
$0.93
$0.876
$0.821
$0.783
Reel
$0.489
Min.: 1
Mult.: 1
: 5,000
Bourns Thermal Cut-offs 72C Low Profile SMD HC TCO 4,902In Stock
Cut Tape
$0.95
$0.898
$0.842
$0.803
Reel
$0.504
Min.: 1
Mult.: 1
: 5,000
Bourns Thermal Cut-offs 82C Low Profile SMD HC TCO 6,496In Stock
Cut Tape
$0.95
$0.898
$0.841
$0.802
Reel
$0.487
Min.: 1
Mult.: 1
: 5,000
Bourns Surface Mount Fuses 1.25A Fast Acting 0603 SinglFuse 8,184In Stock
Cut Tape
$0.64
$0.509
$0.429
$0.377
Reel
$0.237
Min.: 1
Mult.: 1
: 5,000
Bourns Surface Mount Fuses 2A Fast Acting 0603 SinglFuse 17,026In Stock
Cut Tape
$0.64
$0.509
$0.429
$0.377
Reel
$0.237
Min.: 1
Mult.: 1
: 5,000
Bourns Surface Mount Fuses .8A 32V TIME DELAY 21,355In Stock
Cut Tape
$0.81
$0.685
$0.573
$0.514
Reel
$0.361
Min.: 1
Mult.: 1
: 5,000
Bourns Surface Mount Fuses 0603 time-lag met-foil. 6A Auto 9,035In Stock
Cut Tape
$1.06
$0.692
$0.605
$0.566
Reel
$0.475
Min.: 1
Mult.: 1
: 5,000
Bourns Surface Mount Fuses 0603 time-lag met-foil. 8A Auto 8,242In Stock
Cut Tape
$0.83
$0.763
$0.675
$0.631
Reel
$0.457
Min.: 1
Mult.: 1
: 5,000