.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 #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 230V 2POLE CHIP TYPE SMT

GTCC23-231M-R01-2
Littelfuse
1: $1.77
2,527In Stock

Mfr. Part No.
GTCC23-231M-R01-2

Mouser Part No
650-GTCC23-231MR01-2

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 230V 2POLE CHIP TYPE SMT

Learn More

Datasheet

2,527In Stock

Cut Tape

$1.77

$1.56

$1.45

$1.19

View

Reel

$0.709

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 100V 2POLE AXIAL LEADS GDT

GTCA26-101M-R05
Littelfuse
1: $4.18
853In Stock

Mfr. Part No.
GTCA26-101M-R05

Mouser Part No
650-GTCA26-101M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 100V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

853In Stock

$4.18

$3.48

$3.21

$2.65

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC TRF600-160-RA-B-0.5

TRF600-160-RA-B-0.5
Littelfuse
1: $1.92
6,895In Stock

Mfr. Part No.
TRF600-160-RA-B-0.5

Mouser Part No
650-TRF600160RAB0.5

Littelfuse

Resettable Fuses - PPTC TRF600-160-RA-B-0.5

Learn More

Datasheet

6,895In Stock

$1.92

$1.45

$1.08

$1.06

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 500A 140V

P1500SCMCLRP
Littelfuse
1: $2.79
18In Stock

Mfr. Part No.
P1500SCMCLRP

Mouser Part No
576-P1500SCMCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 140V

Learn More

Datasheet

18In Stock

Cut Tape

$2.79

$1.78

$1.01

$0.802

$0.77

Reel

$0.77

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Interface Modules RS-485:RS-232CONV.W/ CABLE&

RS485-RS232
Littelfuse
1: $338.69
3In Stock

Mfr. Part No.
RS485-RS232

Mouser Part No
576-RS485-RS232

Littelfuse

Interface Modules RS-485:RS-232CONV.W/ CABLE&

Learn More

Datasheet

3In Stock

$338.69

$262.32

$257.62

$253.86

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 250V 3A 10Ohms

TRF600-150S
Littelfuse
1: $1.89
415In Stock

Mfr. Part No.
TRF600-150S

Mouser Part No
650-TRF600-150S

Littelfuse

Resettable Fuses - PPTC 250V 3A 10Ohms

Learn More

Datasheet

415In Stock

$1.89

$1.57

$1.45

$1.19

View

Min.: 1
Mult.: 1

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

CG5600L
Littelfuse
1: $3.48
1,428In 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

1,428In Stock

Cut Tape

$3.48

$3.18

$2.95

$2.45

Reel

$1.52

View

Min.: 1
Mult.: 1

Reel: 1,000

Interface Modules RS-485:RS-232CONV.W/ CABLE&

RS485-USB
Littelfuse
1: $391.84
3In Stock

Mfr. Part No.
RS485-USB

Mouser Part No
576-RS485-USB

Littelfuse

Interface Modules RS-485:RS-232CONV.W/ CABLE&

Learn More

Datasheet

3In Stock

$391.84

$369.23

$354.92

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 250V .12A-HD 3A MAX

TRF250-120-2
Littelfuse
1: $1.06
3,870In Stock

Mfr. Part No.
TRF250-120-2

Mouser Part No
650-TRF250-120-2

Littelfuse

Resettable Fuses - PPTC 250V .12A-HD 3A MAX

Learn More

Datasheet

3,870In Stock

Cut Tape

$1.06

$0.858

$0.785

$0.673

Reel

$0.484

View

Min.: 1
Mult.: 1

Reel: 1,500

Thyristor Surge Protection Devices - TSPD 500A 320V

P3500SCMCLRP
Littelfuse
1: $2.63
2,441In Stock

Mfr. Part No.
P3500SCMCLRP

Mouser Part No
576-P3500SCMCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 320V

Learn More

Datasheet

2,441In Stock

Cut Tape

$2.63

$1.68

$1.12

$0.89

$0.823

Reel

$0.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 500A 75V

P0900SCMCLRP
Littelfuse
1: $2.61
2,241In Stock

Mfr. Part No.
P0900SCMCLRP

Mouser Part No
576-P0900SCMCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 75V

Learn More

Datasheet

2,241In Stock

Cut Tape

$2.61

$1.68

$1.13

$0.899

$0.824

Reel

$0.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 500A 170V

P1800SCMCLRP
Littelfuse
1: $1.95
2,311In Stock

Mfr. Part No.
P1800SCMCLRP

Mouser Part No
576-P1800SCMCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 170V

Learn More

Datasheet

2,311In Stock

Cut Tape

$1.95

$1.34

$0.915

$0.798

$0.758

Reel

$0.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC 60V 3A 25Ohms

TRF250-055UT
Littelfuse
1: $0.945
2,168In Stock

Mfr. Part No.
TRF250-055UT

Mouser Part No
650-TRF250-055UT

Littelfuse

Resettable Fuses - PPTC 60V 3A 25Ohms

Learn More

Datasheet

2,168In Stock

$0.945

$0.86

$0.714

$0.659

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2

TS250-130F-RA-2
Littelfuse
1: $2.31
1,549In Stock

Mfr. Part No.
TS250-130F-RA-2

Mouser Part No
650-TS250-130F-RA-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2

Learn More

Datasheet

1,549In Stock

Cut Tape

$2.31

$1.72

$1.29

$1.26

Reel

$0.819

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

GTCA25-251M-R02
Littelfuse
1: $3.74
726In Stock

Mfr. Part No.
GTCA25-251M-R02

Mouser Part No
650-GTCA25-251M-R02

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 250V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

726In Stock

$3.74

$3.10

$2.86

$2.38

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

GTCR36-231M-R10
Littelfuse
1: $4.23
1,042In Stock

Mfr. Part No.
GTCR36-231M-R10

Mouser Part No
650-GTCR36-231M-R10

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT

Learn More

Datasheet

1,042In Stock

$4.23

$3.50

$3.24

$2.68

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

GTCS23-750M-R01-2
Littelfuse
1: $1.57
33,100In Stock

Mfr. Part No.
GTCS23-750M-R01-2

Mouser Part No
650-GTCS23-750M-R012

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 75V 2POLE SMT GDT

Learn More

Datasheet

33,100In Stock

Cut Tape

$1.57

$1.32

$1.20

$1.01

View

Reel

$0.619

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 3POLE SMT GDT

GTCS35-401M-R05-2
Littelfuse
1: $2.71
4,635In Stock

Mfr. Part No.
GTCS35-401M-R05-2

Mouser Part No
650-GTCS35-401M-R052

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V 3POLE SMT GDT

Learn More

Datasheet

4,635In Stock

Cut Tape

$2.71

Reel

$1.36

$1.19

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 600V .15A-HD 3A MAX

TRF600-150-2
Littelfuse
1: $1.49
27,864In Stock

Mfr. Part No.
TRF600-150-2

Mouser Part No
650-TRF600-150-2

Littelfuse

Resettable Fuses - PPTC 600V .15A-HD 3A MAX

Learn More

Datasheet

27,864In Stock

Cut Tape

$1.49

$1.37

$1.14

$1.05

Reel

$0.687

View

Min.: 1
Mult.: 1

Reel: 1,500

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

CG675SM
Littelfuse
1: $3.74
1,710In Stock

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

1,710In Stock

Cut Tape

$3.74

$3.11

$2.86

$2.38

View

Reel

$1.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG150
Littelfuse
1: $2.07
2,816In 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

2,816In Stock

Cut Tape

$2.07

$1.72

$1.60

$1.31

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG350Q
Littelfuse
1: $2.13
3,009In Stock
4,000Expected 21/5/2026

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

3,009In Stock

4,000Expected 21/5/2026

Cut Tape

$2.13

$1.77

$1.64

$1.35

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG400
Littelfuse
1: $2.24
2,831In 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

2,831In Stock

Cut Tape

$2.24

$1.86

$1.71

$1.42

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

SG420
Littelfuse
1: $1.74
2,600In Stock

Mfr. Part No.
SG420

Mouser Part No
576-SG420

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term

Learn More

Datasheet

2,600In Stock

Cut Tape

$1.74

$1.49

$1.38

$1.17

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

SG500Q
Littelfuse
1: $1.82
2,467In Stock

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

2,467In Stock

Cut Tape

$1.82

$1.79

$1.20

$1.06

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Industrial Communication & Control

All Results (471)

Customer Service Office

Company

Resources

Support

Industrial Communication & Control

All Results (471)

Circuit Protection

Semiconductors

Industrial Automation