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

Industrial Communication & Control

Littelfuse Industrial Communication and Control provides protection for RS-485 and Ethernet applications. The Industrial RS-485 features the capability of driving multiple ports, a fast speed rating of 10Mbps, and long-distance transmission of 1500m. Industrial Ethernet provides long-distance transmission of 100m, a 30W PoE+ rating, and a fast speed rating of 1Gbps. Littelfuse Industrial Communication and Control RS-485 and Ethernet devices are ideal for energy meters, factory automation, wind control, and human-machine interface applications.

All Results (471)

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; }

Select a category below to see filtering options and narrow down your search.

Part #

Resettable Fuses - PPTC Polyswitch 0.13A

TSV250-130F-2
Littelfuse
1: $1.35
12,405In Stock
9,600Expected 6/4/2026

Mfr. Part No.
TSV250-130F-2

Mouser Part No
650-TSV250-130F-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.13A

Learn More

Datasheet

12,405In Stock

9,600Expected 6/4/2026

Cut Tape

$1.35

$1.21

$1.03

$0.947

Reel

$0.587

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,200

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

CG5600LTR
Littelfuse
1: $3.61
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

$3.61

Reel

$3.61

Min.: 1
Mult.: 1

Reel: 1,000

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

CG590MS
Littelfuse
1: $3.79
457In Stock

Mfr. Part No.
CG590MS

Mouser Part No
576-CG590MS

Littelfuse

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

Datasheet

457In Stock

Cut Tape

$3.79

$3.43

$3.22

$2.70

View

Reel

$1.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 900

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

CG6230SM
Littelfuse
1: $3.38
669In Stock

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

669In Stock

Cut Tape

$3.38

$3.13

$2.97

$2.40

View

Reel

$1.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Interface Modules RS-485COMMUNICATIONS MODULE/

RS485MS-2W
Littelfuse
1: $249.62
1In Stock

Mfr. Part No.
RS485MS-2W

Mouser Part No
576-RS485MS-2W

Littelfuse

Interface Modules RS-485COMMUNICATIONS MODULE/

Learn More

Datasheet

1In Stock

$249.62

$224.05

$219.62

$212.39

Min.: 1
Mult.: 1

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

SG200
Littelfuse
1: $2.09
2,150In Stock

Mfr. Part No.
SG200

Mouser Part No
576-SG200

Littelfuse

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

Datasheet

2,150In Stock

Cut Tape

$2.09

$1.81

$1.68

$1.38

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG230
Littelfuse
1: $1.85
1,255In Stock
2,000Expected 17/4/2026

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

Learn More

Datasheet

1,255In Stock

2,000Expected 17/4/2026

Cut Tape

$1.85

$1.63

$1.52

$1.28

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG300
Littelfuse
1: $2.10
190In Stock
2,000Expected 23/4/2026

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

Learn More

Datasheet

190In Stock

2,000Expected 23/4/2026

Cut Tape

$2.10

$1.81

$1.68

$1.38

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 2POLE AXIAL LEADS GDT

GTCA25-401M-R02
Littelfuse
1: $4.28
191In Stock

Mfr. Part No.
GTCA25-401M-R02

Mouser Part No
650-GTCA25-401M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

191In Stock

$4.28

$3.82

$3.70

$2.91

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 500V 2POLE AXIAL LEADS GDT

GTCA25-501M-R02
Littelfuse
1: $3.74
439In Stock

Mfr. Part No.
GTCA25-501M-R02

Mouser Part No
650-GTCA25-501M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 500V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

439In Stock

$3.74

$3.10

$2.86

$2.38

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1200V 2POLE AXIAL LEAD HV GDT

GTCA28-122M-R03
Littelfuse
1: $5.60
441In Stock

Mfr. Part No.
GTCA28-122M-R03

Mouser Part No
650-GTCA28-122M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1200V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

441In Stock

$5.60

$5.16

$4.99

$3.92

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 20KA 2POLE

GTCA28-141M-R20
Littelfuse
1: $4.36
61In Stock

Mfr. Part No.
GTCA28-141M-R20

Mouser Part No
650-GTCA28-141M-R20

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 140V 8mm 20KA 2POLE

Learn More

Datasheet

61In Stock

$4.36

$3.61

$3.07

$2.78

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2100V 2POLE AXIAL LEAD HV GDT

GTCA28-212M-R03
Littelfuse
1: $5.49
489In Stock
1,000Expected 11/2/2026

Mfr. Part No.
GTCA28-212M-R03

Mouser Part No
650-GTCA28-212M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2100V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

489In Stock

1,000Expected 11/2/2026

$5.49

$4.56

$4.21

$3.49

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2700V 2POLE AXIAL LEADS HV GDT

GTCA28-272L-R03
Littelfuse
1: $5.92
421In Stock

Mfr. Part No.
GTCA28-272L-R03

Mouser Part No
650-GTCA28-272L-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2700V 2POLE AXIAL LEADS HV GDT

Learn More

Datasheet

421In Stock

$5.92

$4.92

$4.53

$3.42

$3.03

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3600V 2POLE AXIAL LEAD HV GDT

GTCA28-362M-R03
Littelfuse
1: $5.85
452In Stock

Mfr. Part No.
GTCA28-362M-R03

Mouser Part No
650-GTCA28-362M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3600V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

452In Stock

$5.85

$4.87

$4.50

$4.17

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

GTCA28-601M-R10
Littelfuse
1: $3.45
319In Stock

Mfr. Part No.
GTCA28-601M-R10

Mouser Part No
650-GTCA28-601M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

319In Stock

$3.45

$2.86

$2.65

$2.20

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE AXIAL LEADS GDT

GTCA35-750M-R05
Littelfuse
1: $3.86
795In Stock

Mfr. Part No.
GTCA35-750M-R05

Mouser Part No
650-GTCA35-750M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE AXIAL LEADS GDT

Learn More

Datasheet

795In Stock

$3.86

$3.21

$2.96

$2.52

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT

GTCA38-900M-R10
Littelfuse
1: $3.92
184In Stock
1,000Expected 24/4/2026

Mfr. Part No.
GTCA38-900M-R10

Mouser Part No
650-GTCA38-900M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT

Learn More

Datasheet

184In Stock

1,000Expected 24/4/2026

$3.92

$3.25

$3.00

$2.49

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT

GTCC23-201M-R01-2
Littelfuse
1: $1.83
681In Stock

Mfr. Part No.
GTCC23-201M-R01-2

Mouser Part No
650-GTCC23-201MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 200V 2POLE CHIP TYPE SMT

Learn More

Datasheet

681In Stock

Cut Tape

$1.83

$1.57

$1.46

$1.19

View

Reel

$0.781

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300V 1KA 20% 2-POLE SMD

GTCC23-301M-R01-2
Littelfuse
1: $1.83
32In Stock
4,000Expected 13/5/2026

Mfr. Part No.
GTCC23-301M-R01-2

Mouser Part No
650-GTCC23-301M-R012

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300V 1KA 20% 2-POLE SMD

Learn More

Datasheet

32In Stock

4,000Expected 13/5/2026

Cut Tape

$1.83

$1.57

$1.46

$1.19

View

Reel

$0.781

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 400V 2POLE CHIP TYPE SMT

GTCC23-401M-R01-2
Littelfuse
1: $1.82
1,097In Stock

Mfr. Part No.
GTCC23-401M-R01-2

Mouser Part No
650-GTCC23-401MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 400V 2POLE CHIP TYPE SMT

Learn More

Datasheet

1,097In Stock

Cut Tape

$1.82

$1.57

$1.46

$1.19

View

Reel

$0.781

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V 2POLE 4.5mm L

GTCC23-501M-R01-2
Littelfuse
1: $1.92
2,505In Stock

Mfr. Part No.
GTCC23-501M-R01-2

Mouser Part No
650-GTCC23-501MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V 2POLE 4.5mm L

Learn More

Datasheet

2,505In Stock

Cut Tape

$1.92

$1.60

$1.47

$1.22

View

Reel

$0.709

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 1KA 20% 2-POLE SMD

GTCC23-750M-R01-2
Littelfuse
1: $1.83
1,970In Stock

Mfr. Part No.
GTCC23-750M-R01-2

Mouser Part No
650-GTCC23-750M-R012

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 1KA 20% 2-POLE SMD

Learn More

Datasheet

1,970In Stock

Cut Tape

$1.83

$1.57

$1.46

$1.19

View

Reel

$0.684

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT

GTCR36-900M-R10
Littelfuse
1: $4.14
308In Stock
1,000Expected 21/4/2026

Mfr. Part No.
GTCR36-900M-R10

Mouser Part No
650-GTCR36-900M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

308In Stock

1,000Expected 21/4/2026

$4.14

$3.43

$3.17

$2.64

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 90V 3POLE RADIAL LEADS GDT

GTCR37-900M-R10
Littelfuse
1: $4.14
377In Stock

Mfr. Part No.
GTCR37-900M-R10

Mouser Part No
650-GTCR37-900M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 90V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

377In Stock

$4.14

$3.43

$3.17

$2.64

View

Min.: 1
Mult.: 1

Industrial Communication & Control

All Results (471)

Customer Service Office

Company

Resources

Support

Industrial Communication & Control

All Results (471)

Circuit Protection

Semiconductors

Industrial Automation