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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RoHS Compliant

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Part #

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

CG5600LTR
Littelfuse
1: 3,63 €
590In Stock

Mfr. Part No.
CG5600LTR

Mouser Part No
576-CG5600LTR

Littelfuse

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

Datasheet

590In Stock

Cut Tape

3,63 €

2,39 €

1,81 €

1,60 €

Reel

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 €
889In Stock

Mfr. Part No.
CG590LS

Mouser Part No
576-CG590LS

Littelfuse

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

Datasheet

889In 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 230V SMD Ultra Low 0.3pF

CG6230SM
Littelfuse
1: 1,74 €
69In Stock
2 000Expected 30/07/2026

Mfr. Part No.
CG6230SM

Mouser Part No
576-CG6230SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF

Learn More

Datasheet

69In Stock

2 000Expected 30/07/2026

Cut Tape

1,74 €

1,59 €

1,12 €

Reel

1,12 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

CG675SM
Littelfuse
1: 1,93 €
3In Stock
4 000On Order

Mfr. Part No.
CG675SM

Mouser Part No
576-CG675SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF

Learn More

Datasheet

3In Stock

4 000On Order

Cut Tape

1,93 €

1,48 €

1,22 €

1,13 €

1,12 €

Reel

1,12 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

CG690SM
Littelfuse
1: 2,10 €
963In Stock

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

963In Stock

Cut Tape

2,10 €

1,61 €

1,33 €

1,23 €

1,15 €

Reel

1,12 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

Learn More

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 105-195V 2A GDT T/R 2 Term

SG150
Littelfuse
1: 1,35 €
1 794In Stock

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

1 794In Stock

Cut Tape

1,35 €

1,09 €

1,01 €

0,834 €

0,79 €

Reel

0,79 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SG200
Littelfuse
1: 1,94 €
136In Stock
2 000Expected 03/09/2026

Mfr. Part No.
SG200

Mouser Part No
576-SG200

Littelfuse

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

Datasheet

136In Stock

2 000Expected 03/09/2026

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 300-500V 2A GDT T/R 2 Term

SG400
Littelfuse
1: 1,35 €
1 516In Stock

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

1 516In Stock

Cut Tape

1,35 €

1,13 €

1,04 €

0,855 €

View

Reel

0,56 €

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: 1,30 €
985In Stock
2 000Expected 30/07/2026

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

985In Stock

2 000Expected 30/07/2026

Cut Tape

1,30 €

0,857 €

0,79 €

Reel

0,79 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term

SL0902A090SM
Littelfuse
1: 1,96 €
612In Stock
6 300On Order

Mfr. Part No.
SL0902A090SM

Mouser Part No
576-SL0902A090SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term

Learn More

Datasheet

612In Stock

6 300On Order

Cut Tape

1,96 €

1,50 €

1,32 €

Reel

1,32 €

MouseReel Available

Min.: 1
Mult.: 1

: 900

ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array

SP3019-04HTG
Littelfuse
1: 0,86 €
1 829In Stock
12 000Expected 10/08/2026

Mfr. Part No.
SP3019-04HTG

Mouser Part No
576-SP3019-04HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array

Learn More

Datasheet

1 829In Stock

12 000Expected 10/08/2026

Cut Tape

0,86 €

0,532 €

0,348 €

0,269 €

0,243 €

Reel

0,22 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

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

SP3312TUTG
Littelfuse
1: 0,946 €
1 306In Stock
3 000Expected 25/06/2026

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

1 306In Stock

3 000Expected 25/06/2026

Cut Tape

0,946 €

0,859 €

0,616 €

0,495 €

0,439 €

Reel

0,407 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882

SP3530-01ETG
Littelfuse
1: 0,344 €
3 161In Stock
30 000Expected 01/10/2026

Mfr. Part No.
SP3530-01ETG

Mouser Part No
576-SP3530-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882

Learn More

Datasheet

3 161In Stock

30 000Expected 01/10/2026

Cut Tape

0,344 €

0,21 €

0,132 €

0,099 €

View

Reel

0,057 €

MouseReel Available

Min.: 1
Mult.: 1

: 10 000

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

SP4020-01FTG
Littelfuse
1: 0,903 €
331In Stock
207 000On 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

331In Stock

207 000On Order

Cut Tape

0,903 €

0,563 €

0,367 €

0,279 €

Reel

0,222 €

View

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 €
720In Stock
54 000On 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

720In Stock

54 000On Order

Cut Tape

0,834 €

0,521 €

0,339 €

0,261 €

0,217 €

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 €
3 607In Stock
72 000Expected 27/07/2026

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

3 607In Stock

72 000Expected 27/07/2026

Cut Tape

0,903 €

0,563 €

0,367 €

0,283 €

0,255 €

Reel

0,22 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

SP4022-01FTG-C
Littelfuse
1: 0,826 €
3 959In Stock
84 000On Order

Mfr. Part No.
SP4022-01FTG-C

Mouser Part No
576-SP4022-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL

Learn More

Datasheet

3 959In Stock

84 000On Order

Cut Tape

0,826 €

0,511 €

0,331 €

0,254 €

0,229 €

Reel

0,208 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: 0,688 €
6 864In 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

6 864In Stock

Cut Tape

0,688 €

0,427 €

0,275 €

0,21 €

0,188 €

Reel

0,165 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL

SP4024-01FTG-C
Littelfuse
1: 0,757 €
90In Stock
36 000On Order

Mfr. Part No.
SP4024-01FTG-C

Mouser Part No
576-SP4024-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL

Learn More

Datasheet

90In Stock

36 000On Order

Cut Tape

0,757 €

0,467 €

0,303 €

0,232 €

0,209 €

Reel

0,188 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: 3,74 €
6 825In Stock
6 000Expected 28/09/2026

Mfr. Part No.
SP4042-02UTG

Mouser Part No
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Learn More

Datasheet

6 825In Stock

6 000Expected 28/09/2026

Cut Tape

3,74 €

2,46 €

1,86 €

1,66 €

Reel

1,66 €

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

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

SP3003-08ATG
Littelfuse
1: 1,06 €
31 953On 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

31 953On Order

Cut Tape

1,06 €

0,86 €

0,669 €

0,55 €

View

Reel

0,437 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

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

SP4020-01FTG-C
Littelfuse
1: 0,937 €
71 648On 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

71 648On Order

Cut Tape

0,937 €

0,586 €

0,383 €

0,296 €

0,267 €

Reel

0,242 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional

SMCJ150CA-HRAT7
Littelfuse
1: 18,81 €
319Expected 27/07/2026

Mfr. Part No.
SMCJ150CA-HRAT7

Mouser Part No
576-SMCJ150CA-HRAT7

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional

Learn More

Datasheet

319Expected 27/07/2026

Cut Tape

18,81 €

16,23 €

15,92 €

Reel

15,92 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

Ethernet ESD, Lightning, & Power Fault Protection

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