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: 360,919
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 ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 5,293In Stock
Cut Tape
$5.40
$3.14
$2.77
$2.45
$2.21
Reel
$2.05
Min.: 1
Mult.: 1
: 3,000
Bourns Industrial Surge Protectors AC SPD, 2W-G,150VAC 89In Stock
$215.82
$168.47
$164.16
Min.: 1
Mult.: 1
Bourns Industrial Surge Protectors AC SPD, 2W-G,275VAC 69In Stock
$244.47
$202.70
$186.93
$186.71
Min.: 1
Mult.: 1
Bourns NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 20ohm Y kink bulk 6,166In Stock
$1.49
$1.19
$0.82
$0.729
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes MSMP - A 7.5V 45,054In Stock
Cut Tape
$0.40
$0.178
$0.155
$0.116
Reel
$0.076
Min.: 1
Mult.: 1
: 4,500
Semtech ESD Protection Diodes / TVS Diodes uClamp, 1-Line 7.9V TVS 9,235In Stock
Cut Tape
$0.98
$0.466
$0.395
$0.304
Reel
$0.192
Min.: 1
Mult.: 1
: 15,000
Bourns Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200 2,467In Stock
$1.83
$1.74
$1.64
$1.57
Min.: 1
Mult.: 1
Bourns Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200 4,997In Stock
Cut Tape
$1.91
$1.83
$1.72
$1.65
Reel
$1.10
Min.: 1
Mult.: 1
: 4,000
Eaton Electrical LGTES3
Eaton Electrical Circuit Breaker Accessories Terminal Extender Kit for LG 3P BRK, 1In Stock
$225.62
$202.90
$190.86
$174.93
Min.: 1
Mult.: 1
Eaton Electrical PDG6X4AC
Eaton Electrical Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C 1In Stock
$1,042.65
Min.: 1
Mult.: 1
Eaton Electrical MA1L1RPK
Eaton Electrical Circuit Breaker Accessories 1A/1B ALARM SW 1In Stock
$572.77
$450.76
$430.97
Min.: 1
Mult.: 1
Eaton Electrical PDG2X3TA225K
Eaton Electrical Circuit Breaker Accessories PDG2 TERMINAL (AL), 225A, 6-300, 3P 6In Stock
$226.45
$187.68
$173.01
$142.93
Min.: 1
Mult.: 1
Vishay Semiconductors SMA6F28CA-M3/H
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS 3,460In Stock
Cut Tape
$0.69
$0.423
$0.271
$0.206
Reel
$0.158
Min.: 1
Mult.: 1
: 3,500
SanRex Triacs Triacs 40 Amp 600 Volt 7,810In Stock
$14.11
$9.99
$7.45
Min.: 1
Mult.: 1
Littelfuse Automotive Fuses 30A Low Profile 12,274In Stock
$2.62
$2.17
$1.58
$1.49
Min.: 1
Mult.: 1


Littelfuse Automotive Fuses STRIP 30 80A W/O HOUSING 29,305In Stock
$1.33
$1.11
$1.02
$0.846
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL 109,114In Stock
Cut Tape
$1.69
$1.06
$0.947
$0.851
$0.839
Reel
$0.786
Min.: 1
Mult.: 1
: 3,000
Texas Instruments ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device 25,461In Stock
Cut Tape
$1.57
$1.26
$1.07
$0.978
Reel
$0.904
Min.: 1
Mult.: 1
: 3,000
Bourns Surface Mount Fuses 1.5A 110V TIME DELAY 114,162In Stock
Cut Tape
$0.94
$0.866
$0.718
$0.663
Reel
$0.436
Min.: 1
Mult.: 1
: 3,500
TE Connectivity / Measurement Specialties NTC (Negative Temperature Coefficient) Thermistors THERMISTOR 41In Stock
$578.64
$529.01
$487.30
$456.88
Min.: 1
Mult.: 1


Vishay Semiconductors SCRs 20A If; 1200V Vr TO-247AD 3L 6,631In Stock
$2.49
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 178,703In Stock
Cut Tape
$0.60
$0.368
$0.267
$0.204
Reel
$0.155
Min.: 1
Mult.: 1
: 3,000

Semtech ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance 34,491In Stock
Cut Tape
$3.04
$2.11
$1.63
Reel
$1.49
$1.36
$1.34
Min.: 1
Mult.: 1
: 500
Bourns Thermal Cut-offs TCO, High Current, SMD, 85C, Self Hold AEC-Q200 3,205In Stock
Cut Tape
$2.84
$2.47
$1.99
$1.69
Reel
$1.15
Min.: 1
Mult.: 1
: 4,000
Littelfuse Surface Mount Fuses FUSE 32V HIGH I2T 0603 TL 3A 4,398In Stock
Cut Tape
$1.58
$1.41
$1.33
$1.09
Reel
$0.649
Min.: 1
Mult.: 1
: 3,000