Circuit Protection – Mouser Estonia

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Ethernet ESD, Lightning, & Power Fault Protection

Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection ensures that the power fault overcurrent can be protected with Telelink fuses. The Ethernet Power Fault Protection includes the SMCJ and SP40 TVS Diode, SP3, SRV05xx, LC03xx, and SP40xx Diode Array, and the 0461xxx Fuse series. Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection products meet various applicable standards.

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Types of Circuit Protection

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Results: 308

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In Stock

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New Products

RoHS Compliant

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Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS

CG5230MS
Littelfuse
1: 2,24 €
371In Stock

Mfr. Part No.
CG5230MS

Mouser Part No
576-CG5230MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS

Datasheet

371In Stock

Cut Tape

2,24 €

1,72 €

1,45 €

1,43 €

Reel

1,36 €

MouseReel Available

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM

CG5350L
Littelfuse
1: 2,49 €
808In Stock

Mfr. Part No.
CG5350L

Mouser Part No
576-CG5350L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM

Datasheet

808In Stock

Cut Tape

2,49 €

1,91 €

1,58 €

1,46 €

Reel

1,35 €

Min.: 1
Mult.: 1

: 1.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 600V

CG5600LTR
Littelfuse
1: 3,64 €
410In Stock

Mfr. Part No.
CG5600LTR

Mouser Part No
576-CG5600LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 600V

Datasheet

410In Stock

Cut Tape

3,64 €

2,06 €

1,95 €

Reel

1,45 €

1,41 €

Min.: 1
Mult.: 1

: 1.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V

CG590LS
Littelfuse
1: 2,15 €
778In Stock

Mfr. Part No.
CG590LS

Mouser Part No
576-CG590LS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V

Datasheet

778In Stock

Cut Tape

2,15 €

1,65 €

1,37 €

1,27 €

Reel

1,14 €

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS

CG590MS
Littelfuse
1: 2,99 €
871In Stock

Mfr. Part No.
CG590MS

Mouser Part No
576-CG590MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS

Datasheet

871In Stock

Cut Tape

2,99 €

2,11 €

1,62 €

1,45 €

Reel

1,35 €

MouseReel Available

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

CG690SM
Littelfuse
1: 2,10 €
888In Stock
2.000Expected 10/29/2026

Mfr. Part No.
CG690SM

Mouser Part No
576-CG690SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

Learn More

Datasheet

888In Stock

2.000Expected 10/29/2026

Cut Tape

2,10 €

1,61 €

1,33 €

1,23 €

1,14 €

Reel

1,12 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG

SG200
Littelfuse
1: 1,23 €
36In Stock
2.000Expected 8/13/2026

Mfr. Part No.
SG200

Mouser Part No
576-SG200

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG

Datasheet

36In Stock

2.000Expected 8/13/2026

Cut Tape

1,23 €

0,937 €

0,777 €

0,716 €

0,622 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

SG400
Littelfuse
1: 1,23 €
16In Stock
4.000Expected 10/20/2026

Mfr. Part No.
SG400

Mouser Part No
576-SG400

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term

Learn More

Datasheet

16In Stock

4.000Expected 10/20/2026

Cut Tape

1,23 €

0,937 €

0,777 €

0,716 €

0,641 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term

SG500Q
Littelfuse
1: 1,17 €
1.830In Stock
2.000Expected 10/15/2026

Mfr. Part No.
SG500Q

Mouser Part No
576-SG500Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term

Datasheet

1.830In Stock

2.000Expected 10/15/2026

Cut Tape

1,17 €

0,894 €

0,79 €

Reel

0,79 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

SG600Q
Littelfuse
1: 1,30 €
1.294In Stock

Mfr. Part No.
SG600Q

Mouser Part No
576-SG600Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

Datasheet

1.294In Stock

Cut Tape

1,30 €

0,857 €

0,82 €

Reel

0,82 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV

SP3002-04JTG
Littelfuse
1: 1,06 €
3.343In Stock
54.000Expected 8/20/2026

Mfr. Part No.
SP3002-04JTG

Mouser Part No
576-SP3002-04JTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV

Datasheet

3.343In Stock

54.000Expected 8/20/2026

Cut Tape

1,06 €

0,503 €

0,444 €

0,343 €

0,327 €

Reel

0,281 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL

SP3021-01ETG
Littelfuse
1: 0,456 €
2.240In Stock
20.000Expected 12/31/2026

Mfr. Part No.
SP3021-01ETG

Mouser Part No
576-SP3021-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL

Learn More

Datasheet

2.240In Stock

20.000Expected 12/31/2026

Cut Tape

0,456 €

0,201 €

0,176 €

0,132 €

View

Reel

0,102 €

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL

SP3031-01ETG
Littelfuse
1: 0,275 €
7.961In Stock
150.000On Order

Mfr. Part No.
SP3031-01ETG

Mouser Part No
576-SP3031-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL

Datasheet

7.961In Stock

150.000On Order

Cut Tape

0,275 €

0,122 €

0,107 €

0,095 €

Reel

0,095 €

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection

SP3312TUTG
Littelfuse
1: 1,48 €
411In Stock
9.000Expected 8/13/2026

Mfr. Part No.
SP3312TUTG

Mouser Part No
576-SP3312TUTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection

Learn More

Datasheet

411In Stock

9.000Expected 8/13/2026

Cut Tape

1,48 €

0,80 €

0,677 €

0,523 €

0,503 €

Reel

0,411 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: 0,74 €
4.048In Stock

Mfr. Part No.
SP4023-01FTG

Mouser Part No
576-SP4023-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

Learn More

Datasheet

4.048In Stock

Cut Tape

0,74 €

0,457 €

0,295 €

0,225 €

0,189 €

Reel

0,165 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: 1,23 €
422In Stock
81.000On Order

Mfr. Part No.
SRV05-4HTG-D

Mouser Part No
576-SRV05-4HTG-D

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Learn More

Datasheet

422In Stock

81.000On Order

Cut Tape

1,23 €

0,652 €

0,512 €

0,408 €

0,39 €

Reel

0,308 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

04611.25ER16
Littelfuse
1: 1,33 €
1.011In Stock

Mfr. Part No.
04611.25ER16

Mouser Part No
576-04611.25ER16

Littelfuse

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

Learn More

Datasheet

1.011In Stock

Cut Tape

1,33 €

1,20 €

1,12 €

0,929 €

View

Reel

0,564 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term

SG350Q
Littelfuse
1: 1,23 €
22.000On Order

Mfr. Part No.
SG350Q

Mouser Part No
576-SG350Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term

Learn More

Datasheet

22.000On Order

Cut Tape

1,23 €

0,937 €

0,877 €

0,74 €

0,641 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA

SP3003-08ATG
Littelfuse
1: 1,22 €
38.642On Order

Mfr. Part No.
SP3003-08ATG

Mouser Part No
576-SP3003-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA

Learn More

Datasheet

38.642On Order

Cut Tape

1,22 €

0,788 €

0,685 €

0,551 €

View

Reel

0,412 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection

SP4020-01FTG
Littelfuse
1: 0,912 €
240.527On Order

Mfr. Part No.
SP4020-01FTG

Mouser Part No
576-SP4020-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection

Learn More

Datasheet

240.527On Order

Cut Tape

0,912 €

0,493 €

0,373 €

0,31 €

0,283 €

Reel

0,22 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection

SP4020-01FTG-C
Littelfuse
1: 0,963 €
68.982On Order

Mfr. Part No.
SP4020-01FTG-C

Mouser Part No
576-SP4020-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection

Learn More

Datasheet

68.982On Order

Cut Tape

0,963 €

0,494 €

0,396 €

0,305 €

Reel

0,242 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection

SP4021-01FTG
Littelfuse
1: 0,834 €
100.320On Order

Mfr. Part No.
SP4021-01FTG

Mouser Part No
576-SP4021-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection

Learn More

Datasheet

100.320On Order

Cut Tape

0,834 €

0,436 €

0,339 €

0,261 €

Reel

0,198 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection

SP4021-01FTG-C
Littelfuse
1: 0,903 €
158.800On Order

Mfr. Part No.
SP4021-01FTG-C

Mouser Part No
576-SP4021-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection

Learn More

Datasheet

158.800On Order

Cut Tape

0,903 €

0,449 €

0,367 €

0,283 €

Reel

0,22 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

SG150
Littelfuse
1: 1,23 €
3.982On Order

Mfr. Part No.
SG150

Mouser Part No
576-SG150

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

Learn More

Datasheet

3.982On Order

Cut Tape

1,23 €

0,937 €

0,79 €

Reel

0,79 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection

SP2504NUTG
Littelfuse
1: 2,12 €
5.000Expected 10/26/2026

Mfr. Part No.
SP2504NUTG

Mouser Part No
576-SP2504NUTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection

Learn More

Datasheet

5.000Expected 10/26/2026

Cut Tape

2,12 €

1,08 €

0,963 €

0,77 €

0,705 €

Reel

0,65 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Ethernet ESD, Lightning, & Power Fault Protection

Types of Circuit Protection

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