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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.
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Keystone Electronics 3557-2 Keystone Electronics Fuse Holder 2 IN 1 FUSE HOLDER
Page 839

Data Sheet
36,774
In Stock
1: $1.15
100: $0.95
500: $0.67
1,000: $0.58
2,000: View



Min.: 1
Mult.: 1
Murata Electronics NCP18XH103F03RB
81-NCP18XH103F03RB


To purchase full reel, order in multiples of 4000:
Murata Electronics NTC Thermistors 10K OHM 1%
Data Sheet 118,055
In Stock
Cut Tape
1: $0.23
10: $0.144
100: $0.108
1,000: $0.093
Reel
4,000: $0.08
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
Vishay / BC Components NTCLE100E3103JB0
 Enlarge
Vishay / BC Components NTC Thermistors 10Kohms 5% Radial
Page 824

Data Sheet
48,356
In Stock
1: $0.26
25: $0.242
50: $0.22
100: $0.218
500: View



Min.: 1
Mult.: 1
TE Connectivity / Raychem NANOSMDC012F-2
 Enlarge
650-NANOSMDC012F-2


To purchase full reel, order in multiples of 3000:
TE Connectivity / Raychem Resettable Fuses - PPTC .12A 30V
Data Sheet 53,542
In Stock
Cut Tape
1: $0.29
10: $0.275
100: $0.267
500: $0.218
Reel
3,000: $0.173
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
TE Connectivity / Raychem MICROSMD005F-2
 Enlarge
650-MICROSMD005F-2


To purchase full reel, order in multiples of 4000:
TE Connectivity / Raychem Resettable Fuses - PPTC .05A 30V 10A IMAX
Page 829

Data Sheet
51,120
In Stock
Cut Tape
1: $0.37
10: $0.336
100: $0.305
500: $0.238
Reel
4,000: $0.197
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
Bourns MF-SMDF050-2
 Enlarge
652-MF-SMDF050-2


To purchase full reel, order in multiples of 6000:
Bourns Resettable Fuses - PPTC 0.55A 60V 0.2ohm Hold 0.55A Trip1.2a
Data Sheet 74,981
In Stock
Cut Tape
1: $0.42
10: $0.334
100: $0.278
250: $0.252
Reel
6,000: $0.162
12,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 6,000
ON Semiconductor NUP2105LT1G
 Enlarge
863-NUP2105LT1G


To purchase full reel, order in multiples of 3000:
ON Semiconductor TVS Diode Arrays 27V CAN BUS Protection
Data Sheet 102,251
In Stock
Cut Tape
1: $0.43
10: $0.287
100: $0.16
1,000: $0.12
Reel
3,000: $0.103
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Infineon Technologies ESD112B102ELSE6327XTSA1
 Enlarge
726-ESD112B102ELSE63


To purchase full reel, order in multiples of 15000:
Infineon Technologies TVS Diodes - Transient Voltage Suppressors TVS DIODES
Data Sheet 198,244
In Stock
More Info Available
Cut Tape
1: $0.43
10: $0.244
100: $0.104
1,000: $0.08
Reel
15,000: $0.051
45,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 15,000
Infineon Technologies ESD3V3U4ULC E6327
 Enlarge
726-ESD3V3U4ULCE6327


To purchase full reel, order in multiples of 7500:
Infineon Technologies TVS Diode Arrays Transient Voltage Suppressor Diodes
Data Sheet 68,999
In Stock
Cut Tape
1: $0.48
10: $0.361
100: $0.227
1,000: $0.17
Reel
7,500: $0.135
22,500: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 7,500
Infineon Technologies ESD8V0L2B-03L E6327
 Enlarge
726-ESD8V0L2B03LE632


To purchase full reel, order in multiples of 15000:
Infineon Technologies TVS Diode Arrays Diode TVS Dual Bi-Dir 14V
Page 659

Data Sheet
214,808
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 74,025
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
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 49,472
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
Infineon Technologies ESD0P4RFL E6327
 Enlarge
726-ESD0P4RFLE6327


To purchase full reel, order in multiples of 15000:
Infineon Technologies TVS Diodes - Transient Voltage Suppressors RF ESD Protection Didode
Page 659

Data Sheet
152,077
In Stock
Cut Tape
1: $0.54
10: $0.316
100: $0.149
1,000: $0.115
Reel
15,000: $0.081
45,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 15,000
ON Semiconductor NUP2201MR6T1G
 Enlarge
863-NUP2201MR6T1G


To purchase full reel, order in multiples of 3000:
ON Semiconductor TVS Diode Arrays Low Cap. TVS Array Hi Spd Data Protect
Data Sheet 86,555
In Stock
Cut Tape
1: $0.55
10: $0.402
100: $0.253
1,000: $0.196
Reel
3,000: $0.167
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
595-TPD2EUSB30DRTR


To purchase full reel, order in multiples of 3000:
Texas Instruments ESD Suppressors 2Ch ESD Solution
Page 793

Data Sheet
46,532
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
Littelfuse PLED6M
 Enlarge
576-PLED6M


To purchase full reel, order in multiples of 3000:
Littelfuse LED Protection Devices LED PROTECTOR 6V
Page 785

Data Sheet
63,984
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
Fairchild Semiconductor SMCJ100CA
512-SMCJ100CA


To purchase full reel, order in multiples of 3000:
Fairchild Semiconductor TVS Diodes - Transient Voltage Suppressors 1500W TVS Bidirectional
Data Sheet 40,520
In Stock
Cut Tape
1: $0.68
10: $0.459
100: $0.304
1,000: $0.212
Reel
3,000: $0.198
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 847

Data Sheet
23,299
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 40,027
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 28,009
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 782

Data Sheet
36,323
In Stock
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
EPCOS / TDK B72530T300K62
871-B72530T300K62


To purchase full reel, order in multiples of 2000:
EPCOS / TDK Varistors 1210 30V 300A 1000pF CT1210K30G
Data Sheet 40,218
In Stock
Cut Tape
1: $0.83
10: $0.616
100: $0.335
1,000: $0.282
Reel
2,000: $0.282
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,000
Littelfuse SP0503BAHTG
 Enlarge
576-SP0503BAHTG


To purchase full reel, order in multiples of 3000:
Littelfuse TVS Diode Arrays TVS AVAL DIODE SMT
Data Sheet

Product Info.
24,353
In Stock
Cut Tape
1: $0.85
10: $0.66
100: $0.426
1,000: $0.341
Reel
3,000: $0.288
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 23,273
In Stock
Cut Tape
1: $0.96
10: $0.719
100: $0.599
250: $0.582
Reel
2,000: $0.392
4,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,000
Littelfuse SP0504BAHTG
 Enlarge
576-SP0504BAHTG


To purchase full reel, order in multiples of 3000:
Littelfuse TVS Diode Arrays SP0504BAHTG
Page 782

Data Sheet
26,115
In Stock
Cut Tape
1: $0.99
10: $0.772
100: $0.498
1,000: $0.398
Reel
3,000: $0.336
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Compare up to 20 parts.
95977
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