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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 Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 359,647

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Part #

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C0
PolyPhaser
1: NT$2,900.27
36In Stock
10Expected 9/11/2026
New Product

Mfr. Part #
IS-50NX-C0

Mouser Part #
44-IS-50NX-C0

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

36In Stock

10Expected 9/11/2026

NT$2,900.27

NT$2,750.77

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

TSX-NFF
PolyPhaser
1: NT$6,109.92
66In Stock
New Product

Mfr. Part #
TSX-NFF

Mouser Part #
44-TSX-NFF

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

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Datasheet

66In Stock

NT$6,109.92

NT$5,795.15

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, Hole Mount

TSX-NFM-P
PolyPhaser
1: NT$5,245.57
55In Stock
New Product

Mfr. Part #
TSX-NFM-P

Mouser Part #
44-TSX-NFM-P

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, Hole Mount

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Datasheet

55In Stock

NT$5,245.57

NT$4,975.62

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

TUSX-NFF
PolyPhaser
1: NT$6,785.69
43In Stock
New Product

Mfr. Part #
TUSX-NFF

Mouser Part #
44-TUSX-NFF

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

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Datasheet

43In Stock

NT$6,785.69

NT$6,498.89

Min.: 1
Mult.: 1

NTC Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: NT$51,787.12
4In Stock
10Expected 8/31/2026
New Product

Mfr. Part #
20016752-02

Mouser Part #
571-20016752-02

New Product

TE Connectivity

NTC Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

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Datasheet

4In Stock

10Expected 8/31/2026

NT$51,787.12

NT$47,344.94

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-000100E250B1
Bourns
1: NT$8,158.03
13In Stock
New Product

Mfr. Part #
PF-000100E250B1

Mouser Part #
652-PF-000100E250B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

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Datasheet

13In Stock

NT$8,158.03

NT$6,762.74

NT$6,154.73

NT$4,941.21

Min.: 1
Mult.: 1

Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports

1315B8H-RACK-PDU
StarTech
1: NT$5,753.93
3In Stock
New Product

Mfr. Part #
1315B8H-RACK-PDU

Mouser Part #
179-1315B8HRACKPDU

New Product

StarTech

Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports

Datasheet

3In Stock

NT$5,753.93

NT$5,055.21

NT$4,875.60

NT$4,874.88

View

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

AL-LSXM-ME
PolyPhaser
1: NT$2,589.09
8In Stock
6Expected 8/28/2026
New Product

Mfr. Part #
AL-LSXM-ME

Mouser Part #
44-AL-LSXM-ME

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

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Datasheet

8In Stock

6Expected 8/28/2026

NT$2,589.09

NT$2,451.06

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode

GPS+06NFSF
PolyPhaser
1: NT$5,245.57
3In Stock
New Product

Mfr. Part #
GPS+06NFSF

Mouser Part #
44-GPS+06NFSF

New Product

PolyPhaser

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode

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Datasheet

3In Stock

NT$5,245.57

NT$4,975.62

Min.: 1
Mult.: 1

Connectorized Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid

HT-RO-E3PM-DCP
PolyPhaser
1: NT$13,628.74
1In Stock
New Product

Mfr. Part #
HT-RO-E3PM-DCP

Mouser Part #
44-HT-RO-E3PM-DCP

New Product

PolyPhaser

Connectorized Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid

Datasheet

1In Stock

NT$13,628.74

NT$13,052.27

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

IS-B50HN-C2-MA
PolyPhaser
1: NT$3,826.27
8In Stock
5Expected 9/2/2026
New Product

Mfr. Part #
IS-B50HN-C2-MA

Mouser Part #
44-IS-B50HN-C2-MA

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

8In Stock

5Expected 9/2/2026

NT$3,826.27

NT$3,629.10

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-NEMP-C0-MA
PolyPhaser
1: NT$6,356.92
5In Stock
New Product

Mfr. Part #
IS-NEMP-C0-MA

Mouser Part #
44-IS-NEMP-C0-MA

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

5In Stock

NT$6,356.92

NT$6,029.61

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 M/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

RGT-DFM
PolyPhaser
1: NT$5,677.92
9In Stock
New Product

Mfr. Part #
RGT-DFM

Mouser Part #
44-RGT-DFM

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 M/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

9In Stock

NT$5,677.92

NT$5,385.39

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins

TSX-NFM-G
PolyPhaser
1: NT$7,068.54
1In Stock
New Product

Mfr. Part #
TSX-NFM-G

Mouser Part #
44-TSX-NFM-G

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins

Datasheet

1In Stock

NT$7,068.54

NT$6,769.56

Min.: 1
Mult.: 1

Connectorized Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

TSXDC-4310FM
PolyPhaser
1: NT$9,048.18
5In Stock
New Product

Mfr. Part #
TSXDC-4310FM

Mouser Part #
44-TSXDC-4310FM

New Product

PolyPhaser

Connectorized Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

Learn More

Datasheet

5In Stock

NT$9,048.18

NT$8,665.30

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

TUSX-DFM
PolyPhaser
1: NT$7,011.90
7In Stock
New Product

Mfr. Part #
TUSX-DFM

Mouser Part #
44-TUSX-DFM

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

7In Stock

NT$7,011.90

NT$6,715.42

Min.: 1
Mult.: 1

Connectorized Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up

VHF50B43-MA-BU
PolyPhaser
1: NT$7,860.47
1In Stock
New Product

Mfr. Part #
VHF50B43-MA-BU

Mouser Part #
44-VHF50B43-MA-BU

New Product

PolyPhaser

Connectorized Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up

Datasheet

1In Stock

NT$7,860.47

NT$7,527.78

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

REX22D-TD2-100-DC24V-1A/2A/4A-E
E-T-A
1: NT$3,807.99
4In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-1A/2A/4A-E

Mouser Part #
457-REX22DTD2124E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

Learn More

Datasheet

4In Stock

NT$3,807.99

NT$3,179.90

NT$2,955.12

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

REX22D-TD2-100-DC24V-6A/8A/10A-E
E-T-A
1: NT$3,807.99
7In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-6A/8A/10A-E

Mouser Part #
457-REX22DTD26810E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

Learn More

Datasheet

7In Stock

NT$3,807.99

NT$3,179.90

NT$2,955.12

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

REX22D-TE2-100-DC24V-1A-10A-E
E-T-A
1: NT$3,721.95
4In Stock
New Product

Mfr. Part #
REX22D-TE2-100-DC24V-1A-10A-E

Mouser Part #
457-REX22DTE21A10AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

Learn More

Datasheet

4In Stock

NT$3,721.95

NT$3,102.46

NT$2,888.79

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

4SMF10CA-M3/I
Vishay Semiconductors
1: NT$17.57
7,932In Stock
New Product

Mfr. Part #
4SMF10CA-M3/I

Mouser Part #
78-4SMF10CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

Datasheet

7,932In Stock

Cut Tape

NT$17.57

NT$12.12

NT$5.95

NT$4.95

Reel

NT$2.26

View

Min.: 1
Mult.: 1

: 10,000

NTC Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

B57343V6103H360
TDK
1: NT$13.62
2,800In Stock
New Product

Mfr. Part #
B57343V6103H360

Mouser Part #
871-B57343V6103H360

New Product

TDK

NTC Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

Datasheet

2,800In Stock

Cut Tape

NT$13.62

NT$12.73

NT$11.26

NT$10.72

Reel

NT$8.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

B57621C5502H062
TDK
1: NT$37.28
2,800In Stock
New Product

Mfr. Part #
B57621C5502H062

Mouser Part #
871-B57621C5502H062

New Product

TDK

NTC Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

Datasheet

2,800In Stock

Cut Tape

NT$37.28

NT$28.11

NT$22.51

NT$21.15

View

Reel

NT$14.95

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Connectorized Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit

108-1019A
PolyPhaser
1: NT$6,898.97
4In Stock
New Product

Mfr. Part #
108-1019A

Mouser Part #
44-108-1019A

New Product

PolyPhaser

Connectorized Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit

Datasheet

4In Stock

NT$6,898.97

NT$6,607.16

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+15NFNF-A
PolyPhaser
1: NT$6,110.27
2In Stock
10Expected 8/26/2026
New Product

Mfr. Part #
CGXZ+15NFNF-A

Mouser Part #
44-CGXZ+15NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

2In Stock

10Expected 8/26/2026

NT$6,110.27

NT$5,795.51

Min.: 1
Mult.: 1

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