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All Products > Circuit Protection
Circuit Protection
Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit protection manufacturers including AVX, Bourns, Carling, Cooper Bussmann, EPCOS, Littelfuse, Raychem, TE Connectivity, Vishay, & more. Please view our large selection of circuit protection devices and components below.

Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Infineon Technologies ESD5V3U1U-02LRH E6327
 Enlarge
726-ESD5V3U1U02LRHE6


To purchase full reel, order in multiples of 15000:
Infineon Technologies TVS Diodes - Transient Voltage Suppressors Ult-Lw Capacitance TVS Diode
Page 669

Data Sheet
146,204
In Stock
More Info Available
Cut Tape
1: $0.46
10: $0.26
100: $0.111
1,000: $0.085
Reel
15,000: $0.054
45,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 15,000
Littelfuse 1210L005WR
 Enlarge
576-1210L005


To purchase full reel, order in multiples of 3000:
Littelfuse Resettable Fuses - PPTC 0.05A 30V 1210
Page 843

Data Sheet
38,902
In Stock
Cut Tape
1: $0.48
10: $0.382
100: $0.317
250: $0.288
Reel
3,000: $0.198
6,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
726-ESD8V0L2B03LE632


To purchase full reel, order in multiples of 15000:
Infineon Technologies TVS Diode Arrays Diode TVS Dual Bi-Dir 14V
Page 669

Data Sheet
226,185
In Stock
Cut Tape
1: $0.50
10: $0.281
100: $0.121
1,000: $0.092
Reel
15,000: $0.058
45,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 15,000
ON Semiconductor NUD4700SNT1G
 Enlarge
863-NUD4700SNT1G


To purchase full reel, order in multiples of 3000:
ON Semiconductor LED Protection Devices SCR Shunt
Data Sheet 80,055
In Stock
Cut Tape
1: $0.52
10: $0.385
100: $0.242
1,000: $0.187
Reel
3,000: $0.159
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Littelfuse 1812L110/33MR
 Enlarge
576-1812L110/33MR


To purchase full reel, order in multiples of 1000:
Littelfuse Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT
Data Sheet 32,407
In Stock
Cut Tape
1: $0.53
10: $0.427
100: $0.354
200: $0.322
Reel
1,000: $0.243
2,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
Vishay Semiconductors VESD05A6-HAF-GS08
 Enlarge
78-VESD05A6-HAF


To purchase full reel, order in multiples of 3000:
Vishay Semiconductors ESD Suppressors 5.0 Volt 60 Watt 6 Diode
Data Sheet 49,606
In Stock
Cut Tape
1: $0.54
10: $0.402
100: $0.299
500: $0.253
Reel
3,000: $0.178
6,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
ON Semiconductor ESD9R3.3ST5G
 Enlarge
863-ESD9R3.3ST5G


To purchase full reel, order in multiples of 8000:
ON Semiconductor TVS Diodes - Transient Voltage Suppressors ESD PROT UNI SOD923
Data Sheet 53,954
In Stock
Cut Tape
1: $0.57
10: $0.42
100: $0.264
1,000: $0.204
Reel
8,000: $0.162
24,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 8,000
595-TPD2EUSB30DRTR


To purchase full reel, order in multiples of 3000:
Texas Instruments ESD Suppressors 2Ch ESD Solution
Page 808

Data Sheet
60,174
In Stock
Cut Tape
1: $0.61
10: $0.462
100: $0.243
1,000: $0.218
Reel
3,000: $0.186
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
EPCOS / TDK B72520T250K62
871-B72520T250K62


To purchase full reel, order in multiples of 2000:
EPCOS / TDK Varistors 1206 25V 200A 550pF CT1206K25G
Data Sheet 48,557
In Stock
Cut Tape
1: $0.62
10: $0.48
100: $0.26
1,000: $0.245
Reel
2,000: $0.23
10,000: View



Min.: 1
Mult.: 1
Reel: 2,000
Littelfuse PLED6M
 Enlarge
576-PLED6M


To purchase full reel, order in multiples of 3000:
Littelfuse LED Protection Devices LED PROTECTOR 6V
Page 800

Data Sheet
64,099
In Stock
Cut Tape
1: $0.67
10: $0.505
100: $0.318
1,000: $0.238
Reel
3,000: $0.203
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Littelfuse 0251001.MXL
 Enlarge
Littelfuse Fuses with Leads (Through Hole) 125V 1A
Page 865

Data Sheet
25,357
In Stock
1: $0.72
10: $0.57
100: $0.473
200: $0.43
500: View



Min.: 1
Mult.: 1
Panasonic EZJ-S2YD472
 Enlarge
667-EZJ-S2YD472


To purchase full reel, order in multiples of 2000:
Panasonic Varistors 30VDC 25A W/EMI VARISTOR
Data Sheet 46,468
In Stock
Cut Tape
1: $0.73
10: $0.43
100: $0.259
1,000: $0.243
Reel
2,000: $0.221
10,000: View



Min.: 1
Mult.: 1
Reel: 2,000
NXP Semiconductors PESD3V3X1BL,315
771-PESD3V3X1BL,315


To purchase full reel, order in multiples of 10000:
NXP Semiconductors TVS Diodes - Transient Voltage Suppressors Ultra LW capacitance BIDI ESD Protect dio
Data Sheet 30,280
In Stock
Cut Tape
1: $0.79
10: $0.571
100: $0.40
1,000: $0.32
Reel
10,000: $0.26
20,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 10,000
Littelfuse SM712-02HTG
 Enlarge
576-SM712-02HTG


To purchase full reel, order in multiples of 3000:
SM712-02HTG

New At Mouser
New At Mouser


Littelfuse TVS Diode Arrays 600W 2 Channel Green Asymmetrical SOT23-3
Page 797

Data Sheet
26,152
In Stock
More Info Available
Cut Tape
1: $0.80
10: $0.62
100: $0.40
1,000: $0.32
Reel
3,000: $0.289
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Maxim Integrated DS9503P+
 Enlarge
Maxim Integrated TVS Diode Arrays ESD Protection Diode w/Resistors
Data Sheet 16,173
In Stock
Alternative Packaging
1: $0.81
25: $0.68
50: $0.629
100: $0.577
250: View



Min.: 1
Mult.: 1
AVX F0603G0R05FNTR
 Enlarge
581-F0603G0R05FNTR


To purchase full reel, order in multiples of 3000:
AVX Surface Mount Fuses 0603 50mA fuse
Page 830

Data Sheet
22,977
In Stock
Cut Tape
1: $0.85
10: $0.73
50: $0.667
100: $0.504
Reel
3,000: $0.33
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Littelfuse SRV05-4HTG
 Enlarge
576-SRV05-4HTG


To purchase full reel, order in multiples of 3000:
Littelfuse TVS Diode Arrays 6V 0.1uA 20kV ESD Contact
Data Sheet 22,574
In Stock
Cut Tape
1: $0.87
10: $0.70
100: $0.538
500: $0.475
Reel
3,000: $0.332
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Littelfuse 1812L050/30PR
 Enlarge
576-1812L050/30PR


To purchase full reel, order in multiples of 2000:
Littelfuse Resettable Fuses - PPTC PTC 30V POLY SURF MOUNT 1812 .500A
Data Sheet 25,330
In Stock
Cut Tape
1: $0.91
10: $0.684
100: $0.57
250: $0.556
Reel
2,000: $0.392
4,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,000
Murata Electronics NXFT15XH103FA2B100 Murata Electronics Thermistors - NTC 10Kohm +/-1% 3380K 100mm length
Page 835

Data Sheet
24,630
In Stock
1: $1.00
10: $0.608
100: $0.451
1,000: $0.406
2,000: View



Min.: 1
Mult.: 1
Littelfuse SESD0802Q4UG-0020-090
 Enlarge
650-SESD0802Q4UG0020


To purchase full reel, order in multiples of 2500:
Littelfuse TVS Diodes - Transient Voltage Suppressors 4-CH MINI 9V Uni-Di .20pF 20kV SESD
Page 848

Data Sheet
22,503
In Stock
Cut Tape
1: $1.01
10: $0.812
100: $0.624
500: $0.551
Reel
2,500: $0.386
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
748-CM1213-08MR


To purchase full reel, order in multiples of 4000:
ON Semiconductor ESD Suppressors 8-Channel ESD Protection Array
Page 795

Data Sheet
19,192
In Stock
Cut Tape
1: $1.05
10: $0.84
100: $0.645
500: $0.57
Reel
4,000: $0.399
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
Bourns CD143A-SR05
 Enlarge
652-CD143A-SR05


To purchase full reel, order in multiples of 3000:
Bourns TVS Diode Arrays SOT 143 5V 500W Low Capacitance
Page 787

Data Sheet
17,587
In Stock
Cut Tape
1: $1.08
10: $0.864
100: $0.663
500: $0.588
Reel
3,000: $0.399
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
STMicroelectronics T835-600B-TR
 Enlarge
511-T835-600B-TR


To purchase full reel, order in multiples of 2500:
STMicroelectronics Triacs 8.0 Amp 600 Volt
Page 784

Data Sheet
38,335
In Stock
More Info Available
Alternative Packaging
Cut Tape
1: $1.10
10: $0.851
100: $0.677
500: $0.618
Reel
2,500: $0.419
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
Vishay / BC Components NTCALUG02A103F
 Enlarge
Vishay / BC Components Thermistors - NTC 10K 1% Low Therm Gradient
Page 841

Data Sheet
12,062
In Stock
1: $1.12
10: $0.786
50: $0.736
100: $0.653
200: View



Min.: 1
Mult.: 1
STMicroelectronics BTA24-600BWRG
 Enlarge
STMicroelectronics Triacs 25 Amp 600 Volt
Page 785

Data Sheet
13,365
In Stock
1: $1.15
10: $1.11
100: $0.969
250: $0.94
500: View



Min.: 1
Mult.: 1
Compare up to 20 parts.
92860
Images are for reference only
See Product Specifications