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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: 359.646

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Part #

Connectorised 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: 91,79 €
8In Stock
5Expected 8/28/2026
New Product

Mfr. Part No.
IS-B50HN-C2-MA

Mouser Part No
44-IS-B50HN-C2-MA

New Product

PolyPhaser

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

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Datasheet

8In Stock

5Expected 8/28/2026

91,79 €

87,06 €

Min.: 1
Mult.: 1

Connectorised 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: 152,50 €
5In Stock
New Product

Mfr. Part No.
IS-NEMP-C0-MA

Mouser Part No
44-IS-NEMP-C0-MA

New Product

PolyPhaser

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

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Datasheet

5In Stock

152,50 €

144,64 €

Min.: 1
Mult.: 1

Connectorised 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: 136,21 €
9In Stock
New Product

Mfr. Part No.
RGT-DFM

Mouser Part No
44-RGT-DFM

New Product

PolyPhaser

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

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Datasheet

9In Stock

136,21 €

129,19 €

Min.: 1
Mult.: 1

Connectorised 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: 169,57 €
1In Stock
New Product

Mfr. Part No.
TSX-NFM-G

Mouser Part No
44-TSX-NFM-G

New Product

PolyPhaser

Connectorised 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

169,57 €

162,39 €

Min.: 1
Mult.: 1

Connectorised 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: 217,06 €
5In Stock
New Product

Mfr. Part No.
TSXDC-4310FM

Mouser Part No
44-TSXDC-4310FM

New Product

PolyPhaser

Connectorised 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

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Datasheet

5In Stock

217,06 €

207,87 €

Min.: 1
Mult.: 1

Connectorised 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: 168,21 €
7In Stock
New Product

Mfr. Part No.
TUSX-DFM

Mouser Part No
44-TUSX-DFM

New Product

PolyPhaser

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

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Datasheet

7In Stock

168,21 €

161,10 €

Min.: 1
Mult.: 1

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

VHF50B43-MA-BU
PolyPhaser
1: 188,56 €
1In Stock
New Product

Mfr. Part No.
VHF50B43-MA-BU

Mouser Part No
44-VHF50B43-MA-BU

New Product

PolyPhaser

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

Datasheet

1In Stock

188,56 €

180,58 €

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: 91,35 €
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-1A/2A/4A-E

Mouser Part No
457-REX22DTD2124E

New Product

E-T-A

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

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Datasheet

4In Stock

91,35 €

76,28 €

70,89 €

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: 91,35 €
7In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-6A/8A/10A-E

Mouser Part No
457-REX22DTD26810E

New Product

E-T-A

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

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Datasheet

7In Stock

91,35 €

76,28 €

70,89 €

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: 89,29 €
4In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-10A-E

Mouser Part No
457-REX22DTE21A10AE

New Product

E-T-A

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

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Datasheet

4In Stock

89,29 €

74,42 €

69,30 €

Min.: 1
Mult.: 1

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

4SMF10CA-M3/I
Vishay Semiconductors
1: 0,421 €
7.932In Stock
New Product

Mfr. Part No.
4SMF10CA-M3/I

Mouser Part No
78-4SMF10CA-M3/I

New Product

Vishay Semiconductors

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

Datasheet

7.932In Stock

Cut Tape

0,421 €

0,291 €

0,143 €

0,119 €

Reel

0,054 €

View

Min.: 1
Mult.: 1

: 10.000

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

B57343V6103H360
TDK
1: 0,327 €
2.800In Stock
New Product

Mfr. Part No.
B57343V6103H360

Mouser Part No
871-B57343V6103H360

New Product

TDK

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

Datasheet

2.800In Stock

Cut Tape

0,327 €

0,305 €

0,27 €

0,257 €

Reel

0,195 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

B57621C5502H062
TDK
1: 0,894 €
2.800In Stock
New Product

Mfr. Part No.
B57621C5502H062

Mouser Part No
871-B57621C5502H062

New Product

TDK

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

Datasheet

2.800In Stock

Cut Tape

0,894 €

0,674 €

0,54 €

0,507 €

View

Reel

0,359 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

ESR3XLDB0315XI
Littelfuse
1: 498,58 €
3In Stock
New Product

Mfr. Part No.
ESR3XLDB0315XI

Mouser Part No
576-ESR3XLDB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

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Datasheet

3In Stock

498,58 €

409,39 €

372,65 €

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

ESR3XLUB0500XI
Littelfuse
1: 523,31 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0500XI

Mouser Part No
576-ESR3XLUB0500XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

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Datasheet

3In Stock

523,31 €

445,42 €

399,37 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

SC4340L-01ETG
Littelfuse
1: 0,533 €
6.531In Stock
New Product

Mfr. Part No.
SC4340L-01ETG

Mouser Part No
576-SC4340L-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

Learn More

6.531In Stock

Cut Tape

0,533 €

0,323 €

0,206 €

0,171 €

Reel

0,095 €

View

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

SP1120-01WTG
Littelfuse
1: 0,232 €
7.629In Stock
New Product

Mfr. Part No.
SP1120-01WTG

Mouser Part No
576-SP1120-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

Learn More

7.629In Stock

Cut Tape

0,232 €

0,14 €

0,11 €

0,105 €

View

Reel

0,077 €

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

SP4340L-01WTG
Littelfuse
1: 0,258 €
7.606In Stock
New Product

Mfr. Part No.
SP4340L-01WTG

Mouser Part No
576-SP4340L-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

Learn More

7.606In Stock

Cut Tape

0,258 €

0,16 €

0,126 €

0,12 €

View

Reel

0,088 €

Min.: 1
Mult.: 1

: 10.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: 286,41 €
6In Stock
New Product

Mfr. Part No.
PF-01N100E350B2

Mouser Part No
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

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Datasheet

6In Stock

286,41 €

237,64 €

202,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: 528,31 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

Learn More

Datasheet

3In Stock

528,31 €

433,80 €

394,87 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

SC3000-01UTG
Littelfuse
1: 1,37 €
3.100In Stock
New Product

Mfr. Part No.
SC3000-01UTG

Mouser Part No
576-SC3000-01UTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

Learn More

Datasheet

3.100In Stock

Cut Tape

1,37 €

0,869 €

0,573 €

0,449 €

Reel

0,349 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

SCRs 8A 800V Std TO-251 V-PAK

SJ8008VTP
Littelfuse
1: 2,67 €
750In Stock
New Product

Mfr. Part No.
SJ8008VTP

Mouser Part No
576-SJ8008VTP

New Product

Littelfuse

SCRs 8A 800V Std TO-251 V-PAK

Learn More

Datasheet

750In Stock

2,67 €

1,74 €

1,20 €

0,998 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

PT3FC-51F-MP1
Shibaura Electronics
1: 10,42 €
100In Stock
New Product

Mfr. Part No.
PT3FC-51F-MP1

Mouser Part No
603-PT3FC-51F-MP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

Learn More

Datasheet

100In Stock

10,42 €

9,49 €

8,07 €

7,71 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

PTM-312-OCK1
Shibaura Electronics
1: 5,21 €
100In Stock
New Product

Mfr. Part No.
PTM-312-OCK1

Mouser Part No
603-PTM-312-OCK1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

Learn More

Datasheet

100In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN2 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

PTM-51F-KN2
Shibaura Electronics
1: 5,21 €
100In Stock
New Product

Mfr. Part No.
PTM-51F-KN2

Mouser Part No
603-PTM-51F-KN2

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN2 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

Learn More

Datasheet

100In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

Circuit Protection

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