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: 361,428
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Panjit ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - DFN1006-2L,Bi,5V 17,969In Stock
Cut Tape
$0.187
$0.161
$0.088
$0.055
Reel
$0.023
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS 7,916In Stock
Cut Tape
$0.706
$0.487
$0.239
$0.199
Reel
$0.091
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL 4In Stock
56Expected 2026-12-15
$193.48
$176.64
Min.: 1
Mult.: 1
StarTech Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports 5In Stock
$231.12
$203.05
$195.84
$195.81
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 7,927In Stock
Cut Tape
$0.706
$0.487
$0.239
$0.199
Reel
$0.091
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS 7,871In Stock
Cut Tape
$0.706
$0.487
$0.239
$0.199
Reel
$0.091
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS 19,234In Stock
Cut Tape
$0.72
$0.505
$0.248
$0.207
Reel
$0.095
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI 4In Stock
56Expected 2026-12-15
$136.57
$124.69
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS 7,840In Stock
Cut Tape
$0.706
$0.487
$0.239
$0.199
Reel
$0.091
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS 7,632In Stock
Cut Tape
$0.706
$0.487
$0.239
$0.199
Reel
$0.091
Min.: 1
Mult.: 1
: 10,000
Vishay / BC Components NTC Thermistors NTC LUG M5 10k 1% G24 64mm A 333In Stock
$4.45
$3.34
$2.98
$2.82
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS 6,969In Stock
Cut Tape
$0.691
$0.474
$0.268
$0.212
Reel
$0.13
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS 7,483In Stock
20,000Expected 2026-11-25
Cut Tape
$0.72
$0.505
$0.248
$0.207
Reel
$0.095
Min.: 1
Mult.: 1
: 10,000
Littelfuse 5.0SMDJ18A-E
Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS 3,000In Stock
Cut Tape
$4.02
$2.58
$2.09
$1.76
Reel
$1.22
Min.: 1
Mult.: 1
: 3,000
Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A 3In Stock
$752.28
$617.70
$562.12
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L 1,982In Stock
100Expected 2026-11-17
Cut Tape
$1.87
$1.18
$0.772
$0.602
Reel
$0.465
Min.: 1
Mult.: 1
: 3,000
Vishay / Sfernice Surface Mount Fuses SF2T 0603 32V 2.5A Sn Tape&Reel 3,500In Stock
Cut Tape
$1.43
$1.14
$0.963
$0.835
Reel
$0.516
Min.: 1
Mult.: 1
: 5,000
Bourns NTC Thermistors NTC SMD 0603 10kO 2% B25/50 3380K 7,970In Stock
Cut Tape
$0.187
$0.17
$0.15
$0.122
Reel
$0.092
Min.: 1
Mult.: 1
: 4,000
Bourns NTC Thermistors NTC SMD 0603 47kO 3% B25/50 4050K 8,000In Stock
Cut Tape
$0.187
$0.17
$0.15
$0.122
Reel
$0.092
Min.: 1
Mult.: 1
: 4,000
Semtech ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L 21,000In Stock
Cut Tape
$0.59
$0.387
$0.229
$0.173
Reel
$0.098
Min.: 1
Mult.: 1
: 15,000
Littelfuse ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV 1,948In Stock
Cut Tape
$1.79
$1.12
$0.737
$0.575
Reel
$0.397
Min.: 1
Mult.: 1
: 3,000
YAGEO Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 2,560In Stock
400On Order
$0.821
$0.508
$0.395
$0.376
Min.: 1
Mult.: 1
Bourns NTC Thermistors NTC SMD 0603 100kO 2% B25/50 4250K 8,000In Stock
Cut Tape
$0.23
$0.203
$0.179
$0.143
Reel
$0.108
Min.: 1
Mult.: 1
: 4,000
Bourns Varistors 20mm Radial Disc-Kinked Leads,Bulk 175In Stock
$4.91
$3.11
$2.40
$2.25
Min.: 1
Mult.: 1
Bourns NTC Thermistors NTC SMD 0603 10kO 3% B25/50 3380K 8,000In Stock
Cut Tape
$0.187
$0.166
$0.145
$0.12
Reel
$0.089
Min.: 1
Mult.: 1
: 4,000