Circuit Protection – Mouser Poland

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 308

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip

SP3118-01WTG
Littelfuse
1: 2,06 zł
9 211In Stock

Mfr. Part No.
SP3118-01WTG

Mouser Part No
576-SP3118-01WTG

Littelfuse

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip

Learn More

Datasheet

9 211In Stock

Cut Tape

2,06 zł

1,02 zł

0,815 zł

0,651 zł

View

Reel

0,395 zł

MouseReel Available

Min.: 1
Mult.: 1

: 10 000

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

CG5230MS
Littelfuse
1: 9,41 zł
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

9,41 zł

7,22 zł

6,09 zł

6,01 zł

Reel

5,71 zł

MouseReel Available

Min.: 1
Mult.: 1

: 900

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

CG5350L
Littelfuse
1: 10,46 zł
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

10,46 zł

8,02 zł

6,64 zł

6,13 zł

Reel

5,67 zł

Min.: 1
Mult.: 1

: 1 000

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

CG5600LTR
Littelfuse
1: 13,73 zł
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

13,73 zł

9,70 zł

7,85 zł

7,18 zł

Reel

6,09 zł

5,92 zł

Min.: 1
Mult.: 1

: 1 000

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

CG590LS
Littelfuse
1: 9,03 zł
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

9,03 zł

6,93 zł

5,75 zł

5,33 zł

Reel

4,79 zł

Min.: 1
Mult.: 1

: 900

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

CG590MS
Littelfuse
1: 12,56 zł
671In Stock

Mfr. Part No.
CG590MS

Mouser Part No
576-CG590MS

Littelfuse

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

Datasheet

671In Stock

Cut Tape

12,56 zł

8,86 zł

6,80 zł

6,09 zł

Reel

5,67 zł

MouseReel Available

Min.: 1
Mult.: 1

: 900

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

SG200
Littelfuse
1: 5,17 zł
36In Stock
2 000Expected 8/31/2026

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 8/31/2026

Cut Tape

5,17 zł

3,94 zł

3,26 zł

3,01 zł

2,61 zł

Reel

2,59 zł

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: 4,91 zł
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

4,91 zł

3,75 zł

3,11 zł

2,93 zł

2,69 zł

Reel

2,59 zł

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: 4,91 zł
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

4,91 zł

3,75 zł

3,32 zł

Reel

3,32 zł

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: 5,46 zł
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

5,46 zł

3,60 zł

3,44 zł

Reel

3,44 zł

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SP3002-04JTG
Littelfuse
1: 4,45 zł
3 228In 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 228In Stock

54 000Expected 8/20/2026

Cut Tape

4,45 zł

2,11 zł

1,86 zł

1,44 zł

1,37 zł

Reel

1,18 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

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

SP3031-01ETG
Littelfuse
1: 1,16 zł
2 680In 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

2 680In Stock

150 000On Order

Cut Tape

1,16 zł

0,512 zł

0,449 zł

0,399 zł

Reel

0,399 zł

MouseReel Available

Min.: 1
Mult.: 1

: 10 000

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

SP3312TUTG
Littelfuse
1: 4,28 zł
403In Stock
9 000Expected 9/1/2026

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

403In Stock

9 000Expected 9/1/2026

Cut Tape

4,28 zł

3,12 zł

2,69 zł

2,15 zł

1,90 zł

Reel

1,71 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: 3,00 zł
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

3,00 zł

1,41 zł

1,19 zł

0,911 zł

0,819 zł

Reel

0,693 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: 16,59 zł
6 083In Stock
6 000Expected 11/2/2026

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 083In Stock

6 000Expected 11/2/2026

Cut Tape

16,59 zł

9,03 zł

8,02 zł

6,97 zł

Reel

6,97 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

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

04611.25ER16
Littelfuse
1: 5,59 zł
961In 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

961In Stock

Cut Tape

5,59 zł

5,04 zł

4,70 zł

3,90 zł

View

Reel

2,37 zł

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: 4,91 zł
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

4,91 zł

3,75 zł

3,11 zł

2,93 zł

2,76 zł

Reel

2,59 zł

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SP3003-08ATG
Littelfuse
1: 5,12 zł
55 382On 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

55 382On Order

Cut Tape

5,12 zł

3,31 zł

2,88 zł

2,31 zł

View

Reel

1,73 zł

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

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

SP4020-01FTG
Littelfuse
1: 3,79 zł
227 762On 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

227 762On Order

Cut Tape

3,79 zł

2,07 zł

1,54 zł

1,19 zł

Reel

0,924 zł

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: 4,04 zł
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

4,04 zł

2,07 zł

1,66 zł

1,28 zł

Reel

1,02 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

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

SP4021-01FTG
Littelfuse
1: 3,50 zł
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

3,50 zł

1,83 zł

1,42 zł

1,10 zł

Reel

0,832 zł

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: 3,79 zł
158 700On 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 700On Order

Cut Tape

3,79 zł

1,89 zł

1,54 zł

1,19 zł

Reel

0,924 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: 5,17 zł
80 226On 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

80 226On Order

Cut Tape

5,17 zł

2,86 zł

2,15 zł

1,68 zł

1,50 zł

Reel

1,29 zł

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: 5,17 zł
3 982Expected 11/24/2026

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 982Expected 11/24/2026

Cut Tape

5,17 zł

3,94 zł

3,32 zł

Reel

3,32 zł

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

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

SP2504NUTG
Littelfuse
1: 8,90 zł
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

8,90 zł

4,54 zł

3,90 zł

3,19 zł

2,85 zł

Reel

2,73 zł

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Ethernet ESD, Lightning, & Power Fault Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support