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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.

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Types of Circuit Protection

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Part #

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount

VHF50HN-B
PolyPhaser
1: 140,64 €
47In Stock
29Expected 22/09/2026
New Product

Mfr. Part No.
VHF50HN-B

Mouser Part No
44-VHF50HN-B

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount

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Datasheet

47In Stock

29Expected 22/09/2026

140,64 €

133,40 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

CDSOT23-SM712-Q
Bourns
1: 1,30 €
12 323In Stock
12 000Expected 01/02/2027
New Product

Mfr. Part No.
CDSOT23-SM712-Q

Mouser Part No
652-CDSOT23-SM712-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

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Datasheet

12 323In Stock

12 000Expected 01/02/2027

Cut Tape

1,30 €

0,72 €

0,544 €

0,425 €

Reel

0,304 €

0,294 €

Min.: 1
Mult.: 1

: 3 000

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: 1 242,31 €
4In Stock
10Expected 16/09/2026
New Product

Mfr. Part No.
20016752-02

Mouser Part No
571-20016752-02

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

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Datasheet

4In Stock

10Expected 16/09/2026

1 242,31 €

1 135,75 €

1 046,20 €

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Min.: 1
Mult.: 1

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

108-1019A
PolyPhaser
1: 166,01 €
4In Stock
New Product

Mfr. Part No.
108-1019A

Mouser Part No
44-108-1019A

New Product

PolyPhaser

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

Datasheet

4In Stock

166,01 €

Min.: 1
Mult.: 1

Connectorised 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: 146,58 €
6In Stock
13Expected 18/09/2026
New Product

Mfr. Part No.
CGXZ+15NFNF-A

Mouser Part No
44-CGXZ+15NFNF-A

New Product

PolyPhaser

Connectorised 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

6In Stock

13Expected 18/09/2026

146,58 €

139,03 €

Min.: 1
Mult.: 1

Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors

GSA-KIT-D
PolyPhaser
1: 69,57 €
5In Stock
New Product

Mfr. Part No.
GSA-KIT-D

Mouser Part No
44-GSA-KIT-D

New Product

PolyPhaser

Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors

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Datasheet

5In Stock

69,57 €

65,99 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C2-ME
PolyPhaser
1: 73,27 €
10In Stock
New Product

Mfr. Part No.
IS-50NX-C2-ME

Mouser Part No
44-IS-50NX-C2-ME

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

10In Stock

73,27 €

69,50 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50UX-C1-ME
PolyPhaser
1: 96,23 €
4In Stock
New Product

Mfr. Part No.
IS-50UX-C1-ME

Mouser Part No
44-IS-50UX-C1-ME

New Product

PolyPhaser

Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Datasheet

4In Stock

96,23 €

91,27 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount

IS-B50LN-C2-ME
PolyPhaser
1: 78,46 €
7In Stock
New Product

Mfr. Part No.
IS-B50LN-C2-ME

Mouser Part No
44-IS-B50LN-C2-ME

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount

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Datasheet

7In Stock

78,46 €

74,42 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount

IS-NEMP-C2
PolyPhaser
1: 161,38 €
5In Stock
New Product

Mfr. Part No.
IS-NEMP-C2

Mouser Part No
44-IS-NEMP-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount

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Datasheet

5In Stock

161,38 €

153,06 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B

IX-2M
PolyPhaser
1: 136,21 €
3In Stock
New Product

Mfr. Part No.
IX-2M

Mouser Part No
44-IX-2M

New Product

PolyPhaser

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B

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Datasheet

3In Stock

136,21 €

129,19 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

LSXL
PolyPhaser
1: 116,95 €
7In Stock
New Product

Mfr. Part No.
LSXL

Mouser Part No
44-LSXL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

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Datasheet

7In Stock

116,95 €

110,93 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube

RGT
PolyPhaser
1: 112,51 €
10In Stock
New Product

Mfr. Part No.
RGT

Mouser Part No
44-RGT

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube

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Datasheet

10In Stock

112,51 €

106,72 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA

RRF-160-NFF
PolyPhaser
1: 320,15 €
1In Stock
New Product

Mfr. Part No.
RRF-160-NFF

Mouser Part No
44-RRF-160-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA

Datasheet

1In Stock

320,15 €

306,62 €

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm

20016752-01
TE Connectivity
1: 818,17 €
1In Stock
New Product

Mfr. Part No.
20016752-01

Mouser Part No
571-20016752-01

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm

Learn More

Datasheet

1In Stock

818,17 €

656,51 €

656,50 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A

NTCALUG54A103F640A
Vishay / BC Components
1: 2,65 €
377In Stock
New Product

Mfr. Part No.
NTCALUG54A103F640A

Mouser Part No
594-NTCALUG54A103F6

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A

Datasheet

377In Stock

2,65 €

1,99 €

1,77 €

1,68 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Diode, TVS, 8W, 36V, 5%, BIDIR, PAR, SMD (DO-218AC), auto-grade

SM8S36CAHM3_A/I
Vishay Semiconductors
1: 4,36 €
389In Stock
New Product

Mfr. Part No.
SM8S36CAHM3_A/I

Mouser Part No
78-SM8S36CAHM3_A/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes Diode, TVS, 8W, 36V, 5%, BIDIR, PAR, SMD (DO-218AC), auto-grade

Datasheet

389In Stock

Cut Tape

4,36 €

2,89 €

2,32 €

2,06 €

Reel

1,75 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 750

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

111-1010
PolyPhaser
1: 100,67 €
10In Stock
New Product

Mfr. Part No.
111-1010

Mouser Part No
44-111-1010

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

Datasheet

10In Stock

100,67 €

95,49 €

Min.: 1
Mult.: 1

Surge Protection Accessories Hardware Kit, 108-1118B

9100-0453-A
PolyPhaser
1: 24,22 €
28In Stock
New Product

Mfr. Part No.
9100-0453-A

Mouser Part No
44-9100-0453-A

New Product

PolyPhaser

Surge Protection Accessories Hardware Kit, 108-1118B

Datasheet

28In Stock

24,22 €

20,55 €

19,63 €

17,55 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+36NMNF-A
PolyPhaser
1: 161,38 €
7In Stock
New Product

Mfr. Part No.
CGXZ+36NMNF-A

Mouser Part No
44-CGXZ+36NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

7In Stock

161,38 €

153,07 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXH+48DMDF-A
PolyPhaser
1: 174,99 €
5In Stock
New Product

Mfr. Part No.
DGXH+48DMDF-A

Mouser Part No
44-DGXH+48DMDF-A

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

5In Stock

174,99 €

167,59 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

DGXR+06NMNF-Z
PolyPhaser
1: 137,69 €
5In Stock
New Product

Mfr. Part No.
DGXR+06NMNF-Z

Mouser Part No
44-DGXR+06NMNF-Z

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

Datasheet

5In Stock

137,69 €

130,59 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount

DGXZ+06NFNF-B
PolyPhaser
1: 161,38 €
10In Stock
New Product

Mfr. Part No.
DGXZ+06NFNF-B

Mouser Part No
44-DGXZ+06NFNF-B

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount

Learn More

Datasheet

10In Stock

161,38 €

153,06 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

DSXL-T-MA
PolyPhaser
1: 257,75 €
2In Stock
New Product

Mfr. Part No.
DSXL-T-MA

Mouser Part No
44-DSXL-T-MA

New Product

PolyPhaser

Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

Datasheet

2In Stock

257,75 €

246,85 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFSF-AL
PolyPhaser
1: 111,03 €
7In Stock
New Product

Mfr. Part No.
GT-NFSF-AL

Mouser Part No
44-GT-NFSF-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

7In Stock

111,03 €

105,32 €

Min.: 1
Mult.: 1

Circuit Protection

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