Circuit Protection – Mouser Finland

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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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New Products

RoHS Compliant

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Part #

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

0461.500ER
Littelfuse
1: 2,18 €
9 254In Stock

Mfr. Part No.
0461.500ER

Mouser Part No
576-0461.500ER

Littelfuse

Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2

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Datasheet

9 254In Stock

Cut Tape

2,18 €

1,73 €

1,63 €

1,33 €

1,26 €

Reel

1,26 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

0461002.ER
Littelfuse
1: 1,51 €
6 559In Stock
22 500On Order

Mfr. Part No.
0461002.ER

Mouser Part No
576-0461002.ER

Littelfuse

Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2

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Datasheet

6 559In Stock

22 500On Order

Cut Tape

1,51 €

1,29 €

1,15 €

0,946 €

0,834 €

Reel

0,834 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

04611.25ER
Littelfuse
1: 1,51 €
12 349In Stock
12 500Expected 28/05/2026

Mfr. Part No.
04611.25ER

Mouser Part No
576-04611.25ER

Littelfuse

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

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Datasheet

12 349In Stock

12 500Expected 28/05/2026

Cut Tape

1,51 €

1,26 €

1,15 €

0,929 €

View

Reel

0,546 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

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

CG5350L
Littelfuse
1: 2,49 €
1 519In Stock

Mfr. Part No.
CG5350L

Mouser Part No
576-CG5350L

Littelfuse

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

Datasheet

1 519In 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 GP S.A. STANDARD 600V NOMINAL

CG5600L
Littelfuse
1: 2,30 €
1 223In Stock

Mfr. Part No.
CG5600L

Mouser Part No
576-CG5600L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL

Datasheet

1 223In Stock

Cut Tape

2,30 €

1,97 €

1,82 €

1,51 €

View

Reel

1,04 €

Min.: 1
Mult.: 1

: 1 000

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

CG590LTR
Littelfuse
1: 2,33 €
2 138In Stock

Mfr. Part No.
CG590LTR

Mouser Part No
576-CG590LTR

Littelfuse

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

Datasheet

2 138In Stock

Cut Tape

2,33 €

1,78 €

1,48 €

1,36 €

Reel

1,25 €

Min.: 1
Mult.: 1

: 1 000

ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact

LC03-3.3BTG
Littelfuse
1: 2,71 €
1 097In Stock
40 000On Order

Mfr. Part No.
LC03-3.3BTG

Mouser Part No
576-LC03-3.3BTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact

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Datasheet

1 097In Stock

40 000On Order

Cut Tape

2,71 €

1,77 €

1,41 €

1,15 €

1,11 €

Reel

1,11 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term

SG230
Littelfuse
1: 1,47 €
2 975In Stock

Mfr. Part No.
SG230

Mouser Part No
576-SG230

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term

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Datasheet

2 975In Stock

Cut Tape

1,47 €

1,13 €

0,848 €

0,718 €

0,622 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term

SG300
Littelfuse
1: 1,32 €
6 145In Stock

Mfr. Part No.
SG300

Mouser Part No
576-SG300

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term

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Datasheet

6 145In Stock

Cut Tape

1,32 €

1,17 €

1,11 €

0,894 €

View

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SG350
Littelfuse
1: 1,23 €
2 000In Stock

Mfr. Part No.
SG350

Mouser Part No
576-SG350

Littelfuse

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

Learn More

Datasheet

2 000In Stock

Cut Tape

1,23 €

0,937 €

0,777 €

0,731 €

0,674 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SG350Q
Littelfuse
1: 1,94 €
6 000In Stock
8 000Expected 24/08/2026

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

6 000In Stock

8 000Expected 24/08/2026

Cut Tape

1,94 €

1,24 €

0,847 €

0,717 €

0,621 €

Reel

0,616 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

SG75
Littelfuse
1: 1,23 €
10 320In Stock

Mfr. Part No.
SG75

Mouser Part No
576-SG75

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

Learn More

Datasheet

10 320In Stock

Cut Tape

1,23 €

0,937 €

0,79 €

Reel

0,79 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

SG90
Littelfuse
1: 1,23 €
6 730In Stock

Mfr. Part No.
SG90

Mouser Part No
576-SG90

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term

Learn More

Datasheet

6 730In Stock

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 GP 5X5 230V Minitube 2 Term

SL0902A230SM
Littelfuse
1: 1,96 €
3 521In Stock

Mfr. Part No.
SL0902A230SM

Mouser Part No
576-SL0902A230SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term

Learn More

Datasheet

3 521In Stock

Cut Tape

1,96 €

1,50 €

1,25 €

1,03 €

Reel

1,03 €

MouseReel Available

Min.: 1
Mult.: 1

: 900

ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array

SP0504SHTG
Littelfuse
1: 0,834 €
33 590In Stock

Mfr. Part No.
SP0504SHTG

Mouser Part No
576-SP0504SHTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array

Learn More

Datasheet

33 590In Stock

Cut Tape

0,834 €

0,519 €

0,337 €

0,259 €

0,237 €

Reel

0,237 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

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

SP2504NUTG
Littelfuse
1: 2,24 €
Lead-Time 17 Weeks

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

Lead-Time 17 Weeks

Cut Tape

2,24 €

1,44 €

0,989 €

0,785 €

0,722 €

Reel

0,65 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

SP3003-04ATG
Littelfuse
1: 1,79 €
5 102In Stock

Mfr. Part No.
SP3003-04ATG

Mouser Part No
576-SP3003-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA

Learn More

Datasheet

5 102In Stock

Cut Tape

1,79 €

1,18 €

0,836 €

0,692 €

View

Reel

0,538 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF

SP3010-04UTG
Littelfuse
1: 1,25 €
5 292In Stock
60 000Expected 21/07/2026

Mfr. Part No.
SP3010-04UTG

Mouser Part No
576-SP3010-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF

Learn More

Datasheet

5 292In Stock

60 000Expected 21/07/2026

Cut Tape

1,25 €

0,738 €

0,503 €

0,403 €

0,372 €

Reel

0,306 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF

SP3011-06UTG
Littelfuse
1: 0,989 €
10 549In Stock
12 000Expected 14/07/2026

Mfr. Part No.
SP3011-06UTG

Mouser Part No
576-SP3011-06UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF

Datasheet

10 549In Stock

12 000Expected 14/07/2026

Cut Tape

0,989 €

0,80 €

0,602 €

0,496 €

Reel

0,398 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

SP3522-01ETG
Littelfuse
1: 0,353 €
129 484In Stock

Mfr. Part No.
SP3522-01ETG

Mouser Part No
576-SP3522-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

Learn More

Datasheet

129 484In Stock

Cut Tape

0,353 €

0,224 €

0,132 €

0,101 €

View

Reel

0,068 €

MouseReel Available

Min.: 1
Mult.: 1

: 10 000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN

SP3522-01UTG
Littelfuse
1: 0,335 €
60 319In Stock

Mfr. Part No.
SP3522-01UTG

Mouser Part No
576-SP3522-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN

Learn More

Datasheet

60 319In Stock

Cut Tape

0,335 €

0,206 €

0,13 €

0,096 €

View

Reel

0,055 €

MouseReel Available

Min.: 1
Mult.: 1

: 15 000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: 0,757 €
10 522In Stock

Mfr. Part No.
SP4044-04ATG

Mouser Part No
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

10 522In Stock

Cut Tape

0,757 €

0,753 €

0,589 €

0,506 €

View

Reel

0,412 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4045-04ATG
Littelfuse
1: 0,705 €
9 509In Stock

Mfr. Part No.
SP4045-04ATG

Mouser Part No
576-SP4045-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

9 509In Stock

Cut Tape

0,705 €

0,701 €

0,546 €

0,468 €

View

Reel

0,378 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

SP4060-08ATG
Littelfuse
1: 1,44 €
6 152In Stock

Mfr. Part No.
SP4060-08ATG

Mouser Part No
576-SP4060-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

Learn More

Datasheet

6 152In Stock

Cut Tape

1,44 €

0,998 €

0,658 €

0,578 €

View

Reel

0,497 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: 1,12 €
35 011In Stock

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

35 011In Stock

Cut Tape

1,12 €

0,747 €

0,501 €

0,393 €

0,354 €

Reel

0,308 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Ethernet ESD, Lightning, & Power Fault Protection

Types of Circuit Protection

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