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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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Select ImageMouser Part # Mfr. Part # Mfr. Description Availability Pricing
(USD) 		Quantity RoHS
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STMicroelectronics SMA6T30AY
Enlarge
511-SMA6T30AY


To purchase full reel, order in multiples of 5000:
SMA6T30AY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 600W 4kW Transil SMA 5V to 70V Uni Page 710

 Data Sheet 		4,800
In Stock
Cut Tape
1: $0.97
10: $0.778
100: $0.68
250: $0.597
Reel
5,000: $0.359
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 5,000
STMicroelectronics SM4T33AY
Enlarge
511-SM4T33AY


To purchase full reel, order in multiples of 5000:
SM4T33AY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 400 W 2.3kW Transil 5V to 70V Uni Page 710

 Data Sheet 		4,650
In Stock
Cut Tape
1: $0.90
10: $0.701
100: $0.611
250: $0.533
Reel
5,000: $0.297
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 5,000
Littelfuse 0259.125MX913
Enlarge
0259.125MX913


New Technology

Littelfuse Fuses 125V .125A PICO UL913 Page 769

 Data Sheet 		250
In Stock
1: $12.61
10: $11.63
25: $11.15
50: $9.70
100: View



Min.: 1
Mult.: 1
Littelfuse SP3304NUTG
Enlarge
576-SP3304NUTG


To purchase full reel, order in multiples of 3000:
SP3304NUTG


New Product

Littelfuse TVS Diode Arrays 4CH 20A 3.3V 3.5pF Lightning Protection Data Sheet 2,764
In Stock
Cut Tape
1: $1.70
10: $1.35
100: $1.18
250: $1.03
Reel
3,000: $0.658
6,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
EPCOS B72500E0250K060
Enlarge
871-B72500E0250K060


To purchase full reel, order in multiples of 4000:
B72500E0250K060


New Product

EPCOS Varistors 25Vrms 30A CT0603K25G Page 2,422

 Data Sheet 		11,895
In Stock
Cut Tape
1: $0.45
50: $0.323
100: $0.213
500: $0.157
Reel
4,000: $0.118
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
EPCOS B72500E0140S260
Enlarge
871-B72500E0140S260


To purchase full reel, order in multiples of 4000:
B72500E0140S260


New Product

EPCOS Varistors 14Vrms 30A CT0603S14BG Page 2,422

 Data Sheet 		15,950
In Stock
Cut Tape
1: $0.45
50: $0.323
100: $0.213
500: $0.157
Reel
4,000: $0.118
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
STMicroelectronics SM4T39CAY
Enlarge
511-SM4T39CAY


To purchase full reel, order in multiples of 5000:
SM4T39CAY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 400 W 2.3kW Transil 5V to 70V Bi Page 710

 Data Sheet 		9,863
In Stock
Cut Tape
1: $0.94
10: $0.732
100: $0.639
250: $0.557
Reel
5,000: $0.311
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 5,000
STMicroelectronics SMA6T33AY
Enlarge
511-SMA6T33AY


To purchase full reel, order in multiples of 5000:
SMA6T33AY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 600W 4kW Transil SMA 5V to 70V Uni Page 710

 Data Sheet 		4,967
In Stock
Cut Tape
1: $0.97
10: $0.778
100: $0.68
250: $0.597
Reel
5,000: $0.359
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 5,000
STMicroelectronics SM15T47CAY
Enlarge
511-SM15T47CAY


To purchase full reel, order in multiples of 2500:
SM15T47CAY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 1500 W 10kW Transil 5.8V tp 70V BI Page 710

 Data Sheet 		2,475
In Stock
Cut Tape
1: $1.55
10: $1.25
100: $1.13
250: $1.00
Reel
2,500: $0.675
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
STMicroelectronics USBP01-5M8
Enlarge
511-USBP01-5M8


To purchase full reel, order in multiples of 4000:
USBP01-5M8


New Product

STMicroelectronics TVS Diode Arrays Enhanced Micro USB 7V 0.2pF ESD Prot Page 708

 Data Sheet 		4,000
In Stock
Cut Tape
1: $1.01
10: $0.807
100: $0.705
250: $0.619
Reel
4,000: $0.392
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
STMicroelectronics ACST1635-8FP
Enlarge
ACST1635-8FP


New Product

STMicroelectronics Triacs OverVltg protected AC switch 1500 Vrms Data Sheet 839
In Stock
1: $3.46
10: $2.78
100: $2.53
250: $2.28
500: View



Min.: 1
Mult.: 1
STMicroelectronics SM15T22CAY
Enlarge
511-SM15T22CAY


To purchase full reel, order in multiples of 2500:
SM15T22CAY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 1500 W 10kW Transil 5.8V tp 70V BI Page 710

 Data Sheet 		2,450
In Stock
Cut Tape
1: $1.55
10: $1.25
100: $1.13
250: $1.00
Reel
2,500: $0.675
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
STMicroelectronics SM15T18CAY
Enlarge
511-SM15T18CAY


To purchase full reel, order in multiples of 2500:
SM15T18CAY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 1500 W 10kW Transil 5.8V tp 70V BI Page 710

 Data Sheet 		2,500
In Stock
Cut Tape
1: $1.58
10: $1.26
100: $1.10
250: $0.967
Reel
2,500: $0.612
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
Vishay Semiconductors SMC3K48CAHM3/57
Enlarge
78-SMC3K48CAHM3/57


To purchase full reel, order in multiples of 850:
SMC3K48CAHM3/57


New Product

Vishay Semiconductors TVS Diodes - Transient Voltage Suppressors 3KW 48V 5% BIDIRECT Data Sheet 1,700
In Stock
Alternative Packaging
Cut Tape
1: $2.75
10: $2.20
100: $1.76
500: $1.39
Reel
850: $1.39
1,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 850
STMicroelectronics T1635T-8I
Enlarge
T1635T-8I


New Product

STMicroelectronics Triacs Snubberless 16A 800V 35mA IGT Triac Page 688

 Data Sheet 		3,916
In Stock
1: $2.94
10: $2.36
100: $2.15
250: $1.94
500: View



Min.: 1
Mult.: 1
EPCOS B72510E0250K062
Enlarge
871-B72510E0250K062


To purchase full reel, order in multiples of 3000:
B72510E0250K062


New Product

EPCOS Varistors 25Vrms 80A CT0805K25G Page 2,422

 Data Sheet 		11,705
In Stock
Cut Tape
1: $0.65
50: $0.482
100: $0.33
500: $0.261
Reel
3,000: $0.192
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Vishay Semiconductors SMC3K51CAHM3/57
Enlarge
78-SMC3K51CAHM3/57


To purchase full reel, order in multiples of 850:
SMC3K51CAHM3/57


New Product

Vishay Semiconductors TVS Diodes - Transient Voltage Suppressors 3KW 51V 5% BIDIRECT Data Sheet 1,700
In Stock
Alternative Packaging
Cut Tape
1: $2.75
10: $2.20
100: $1.76
500: $1.39
Reel
850: $1.39
1,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 850
Vishay Semiconductors SMC3K43CAHM3/57
Enlarge
78-SMC3K43CAHM3/57


To purchase full reel, order in multiples of 850:
SMC3K43CAHM3/57


New Product

Vishay Semiconductors TVS Diodes - Transient Voltage Suppressors 3KW 43V 5% BIDIRECT Data Sheet 1,700
In Stock
Alternative Packaging
Cut Tape
1: $2.75
10: $2.20
100: $1.76
500: $1.39
Reel
850: $1.39
1,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 850
STMicroelectronics ESDALC6-4N4
Enlarge
511-ESDALC6-4N4


To purchase full reel, order in multiples of 10000:
ESDALC6-4N4


New Product

STMicroelectronics TVS Diode Arrays 7V 9.5pF ESD Array 70nA 4-Lines 6V Data Sheet 10,000
In Stock
Cut Tape
1: $0.63
10: $0.487
100: $0.425
250: $0.37
500: View
10,000: $0.199

MouseReel Available


Min.: 1
Mult.: 1
Reel: 10,000
Littelfuse 0259001.MX913
Enlarge
0259001.MX913


New Technology

Littelfuse Fuses 125V 1A PICO UL913 Page 769

 Data Sheet 		246
In Stock
1: $12.61
10: $11.63
25: $11.15
50: $9.70
100: View



Min.: 1
Mult.: 1
Littelfuse 0485.500DR
Enlarge
576-0485.500DR


To purchase full reel, order in multiples of 1500:
0485.500DR


New Product

Littelfuse Fuses 600V .5A Fast Acting Page 763

 Data Sheet 		1,432
In Stock
Cut Tape
1: $4.72
10: $4.19
25: $4.02
50: $3.59
100: View
1,500: $2.27

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,500
Vishay Semiconductors SMC3K78CAHM3/57
Enlarge
78-SMC3K78CAHM3/57


To purchase full reel, order in multiples of 850:
SMC3K78CAHM3/57


New Product

Vishay Semiconductors TVS Diodes - Transient Voltage Suppressors 3KW 78V 5% BIDIRECT Data Sheet 1,700
In Stock
Alternative Packaging
Cut Tape
1: $1.49
10: $1.37
100: $1.34
500: $1.13
Reel
850: $1.13
1,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 850
STMicroelectronics SM6T39CAY
Enlarge
511-SM6T39CAY


To purchase full reel, order in multiples of 2500:
SM6T39CAY


New Product

STMicroelectronics TVS Diodes - Transient Voltage Suppressors 600 W 4kW Transil 6V to 70V Bi Page 710

 Data Sheet 		5,689
In Stock
Cut Tape
1: $0.99
10: $0.787
100: $0.688
250: $0.604
Reel
2,500: $0.382
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
STMicroelectronics EMIF08-0402T16
Enlarge
511-EMIF08-0402T16


To purchase full reel, order in multiples of 3000:
EMIF08-0402T16


New Product

STMicroelectronics ESD Suppressors 8 lines IPAD EMI 50mA 16V 100nA Page 709

 Data Sheet 		3,000
In Stock
Cut Tape
1: $1.36
10: $1.09
100: $0.952
250: $0.836
Reel
3,000: $0.529
5,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Littelfuse 0259.250MX913
Enlarge
0259.250MX913


New Technology

Littelfuse Fuses 125V .25A PICO UL913 Page 769

 Data Sheet 		215
In Stock
1: $12.61
10: $11.63
25: $11.15
50: $9.70
100: View



Min.: 1
Mult.: 1
Compare up to 20 parts.
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