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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: 361,228

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Part #

ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A BIDIR TVS

3KDFN16CA-M3/H
Vishay Semiconductors
1: €1.35
3,000In Stock
New Product

Mfr. Part No.
3KDFN16CA-M3/H

Mouser Part No
78-3KDFN16CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A BIDIR TVS

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Datasheet

3,000In Stock

Cut Tape

€1.35

€0.858

€0.568

€0.445

Reel

€0.341

View

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 9.0V, 5%, SMB (DO-214AA), auto-grade

SMB10J9.0AHM3_B/I
Vishay Semiconductors
1: €0.886
2,240In Stock
New Product

Mfr. Part No.
SMB10J9.0AHM3_B/I

Mouser Part No
78-SMB10J9.0AHM3_B/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 9.0V, 5%, SMB (DO-214AA), auto-grade

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Datasheet

2,240In Stock

Cut Tape

€0.886

€0.557

€0.365

€0.281

Reel

€0.221

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes 400W,33V5%,SMFBIDIRTVS

T4F33CAHM3/I
Vishay Semiconductors
1: €0.413
10,000In Stock
New Product

Mfr. Part No.
T4F33CAHM3/I

Mouser Part No
78-T4F33CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,33V5%,SMFBIDIRTVS

Learn More

Datasheet

10,000In Stock

Cut Tape

€0.413

€0.283

€0.16

€0.126

Reel

€0.077

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VLIN26A1-03GHE3A08
Vishay
1: €0.335
8,759In Stock
New Product

Mfr. Part No.
VLIN26A1-03GHE3A08

Mouser Part No
78-VLIN26A1-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

8,759In Stock

Cut Tape

€0.335

€0.224

€0.132

€0.10

Reel

€0.074

View

Min.: 1
Mult.: 1

: 3,000

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

109-0501W-D
PolyPhaser
1: €148.05
1In Stock
4Expected 12/06/2026
New Product

Mfr. Part No.
109-0501W-D

Mouser Part No
44-109-0501W-D

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

Datasheet

1In Stock

4Expected 12/06/2026

€148.05

€140.42

Min.: 1
Mult.: 1

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

AL-LSXM-MA
PolyPhaser
1: €61.34
8In Stock
New Product

Mfr. Part No.
AL-LSXM-MA

Mouser Part No
44-AL-LSXM-MA

New Product

PolyPhaser

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

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Datasheet

8In Stock

€61.34

€58.08

Min.: 1
Mult.: 1

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

DGXZ+06NFNM-A
PolyPhaser
1: €146.58
8In Stock
New Product

Mfr. Part No.
DGXZ+06NFNM-A

Mouser Part No
44-DGXZ+06NFNM-A

New Product

PolyPhaser

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

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Datasheet

8In Stock

€146.58

€139.03

Min.: 1
Mult.: 1

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

DGXZ+06TFTF-A
PolyPhaser
1: €140.64
2In Stock
10Expected 19/06/2026
New Product

Mfr. Part No.
DGXZ+06TFTF-A

Mouser Part No
44-DGXZ+06TFTF-A

New Product

PolyPhaser

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

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Datasheet

2In Stock

10Expected 19/06/2026

€140.64

€133.40

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ-60NFNF-A
PolyPhaser
1: €165.50
5In Stock
New Product

Mfr. Part No.
DGXZ-60NFNF-A

Mouser Part No
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

5In Stock

€165.50

€158.50

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

DT-NFF
PolyPhaser
1: €66.72
6In Stock
10On Order
New Product

Mfr. Part No.
DT-NFF

Mouser Part No
44-DT-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

Learn More

Datasheet

6In Stock

10On Order

€66.72

€63.16

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

GTH-NFF-AL
PolyPhaser
1: €68.09
12In Stock
11Expected 23/06/2026
New Product

Mfr. Part No.
GTH-NFF-AL

Mouser Part No
44-GTH-NFF-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

12In Stock

11Expected 23/06/2026

€68.09

€64.59

Min.: 1
Mult.: 1

Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

HT-RO-TSX-DCDFM
PolyPhaser
1: €221.12
5In Stock
New Product

Mfr. Part No.
HT-RO-TSX-DCDFM

Mouser Part No
44-HT-RO-TSX-DCDFM

New Product

PolyPhaser

Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

Learn More

Datasheet

5In Stock

€221.12

€211.77

Min.: 1
Mult.: 1

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

IS-B50HN-C2-ME
PolyPhaser
1: €112.51
8In Stock
New Product

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

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

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

€112.51

€106.72

Min.: 1
Mult.: 1

Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-B50LU-C0-MA
PolyPhaser
1: €108.07
5In Stock
New Product

Mfr. Part No.
IS-B50LU-C0-MA

Mouser Part No
44-IS-B50LU-C0-MA

New Product

PolyPhaser

Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

5In Stock

€108.07

€102.50

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

REX22D-TA1-100-DC24V-12A-E
E-T-A
1: €75.30
5In Stock
124Expected 20/07/2026
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-12A-E

Mouser Part No
457-REX22DTA112E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

Learn More

Datasheet

5In Stock

124Expected 20/07/2026

€75.30

€61.98

€61.07

€57.60

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E
E-T-A
1: €91.35
3In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E

Mouser Part No
457-REX22DTD22336CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

Learn More

Datasheet

3In Stock

€91.35

€76.28

€70.89

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

10219128-03
TE Connectivity
1: €320.50
2In Stock
New Product

Mfr. Part No.
10219128-03

Mouser Part No
571-10219128-03

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

Learn More

Datasheet

2In Stock

€320.50

€316.78

€314.19

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5 V, 0.45 pF, 15 kV, SOD883

SC3402-02ETG
Littelfuse
1: €0.464
10,063In Stock
New Product

Mfr. Part No.
SC3402-02ETG

Mouser Part No
576-SC3402-02ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5 V, 0.45 pF, 15 kV, SOD883

Learn More

Datasheet

10,063In Stock

Cut Tape

€0.464

€0.292

€0.186

€0.151

Reel

€0.092

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % blk 0.4e/1e A

NTCLE213E3103FLB0A
Vishay / BC Components
1: €1.44
912In Stock
New Product

Mfr. Part No.
NTCLE213E3103FLB0A

Mouser Part No
594-NTCLE213E313FLB

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % blk 0.4e/1e A

Datasheet

912In Stock

€1.44

€1.08

€0.86

€0.812

View

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT

1466558
Phoenix Contact
1: €79.57
7In Stock
New Product

Mfr. Part No.
1466558

Mouser Part No
651-1466558

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT

Learn More

Datasheet

7In Stock

€79.57

€73.10

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50-P

1790743
Phoenix Contact
1: €60.23
7In Stock
New Product

Mfr. Part No.
1790743

Mouser Part No
651-1790743

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50-P

Learn More

Datasheet

7In Stock

€60.23

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50/1+0-R

1790744
Phoenix Contact
1: €80.61
Lead-Time 8 Weeks
New Product

Mfr. Part No.
1790744

Mouser Part No
651-1790744

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50/1+0-R

Learn More

Datasheet

Lead-Time 8 Weeks

€80.61

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/65-P

1790751
Phoenix Contact
1: €61.92
7In Stock
New Product

Mfr. Part No.
1790751

Mouser Part No
651-1790751

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/65-P

Learn More

Datasheet

7In Stock

€61.92

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-277/50/3+0-R

1790773
Phoenix Contact
1: €224.46
2In Stock
8Expected 29/07/2026
New Product

Mfr. Part No.
1790773

Mouser Part No
651-1790773

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-277/50/3+0-R

Learn More

Datasheet

2In Stock

8Expected 29/07/2026

€224.46

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

MF-LSMF035/72X-2
Bourns
1: €0.86
2,797In Stock
New Product

Mfr. Part No.
MF-LSMF035/72X-2

Mouser Part No
652-MF-LSMF035/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

Learn More

Datasheet

2,797In Stock

Cut Tape

€0.86

€0.651

€0.493

€0.477

View

Reel

€0.294

Min.: 1
Mult.: 1

: 4,000

Circuit Protection

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