Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

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CG2 Gas Discharge Tubes (GDTs)

Littelfuse CG2 Gas Discharge Tubes (GDTs) provide a high degree of surge protection in a small size, making them ideal for board-level circuit protection. These GDTs function as switches to dissipate a minimum amount of energy and handle currents that surpass other types of transient voltage protection. The CG2 series features a 145V to 1000V DC sparkover range, which is ideal for protecting equipment with higher voltage limits and holdover voltages. The gas-filled, rugged ceramic metal construction is highly reliable and well-suited for adverse environments. Littelfuse CG2 GDTs are available in various forms, including surface mount, core, straight, and shaped leads. Applications include data lines, power supplies, communication lines and equipment, medical electronics, and instrumentation circuits.

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Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V

CG21000LTR
Littelfuse
1: $3.22
1,692In Stock

Mfr. Part No.
CG21000LTR

Mouser Part No
576-CG21000LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V

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Datasheet

1,692In Stock

Cut Tape

$3.22

$2.69

$2.24

Reel

$1.77

Min.: 1
Mult.: 1

: 500

CG2

10 kA

1 kV

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 800V

CG2800LTR
Littelfuse
1: $3.48
1,433In Stock

Mfr. Part No.
CG2800LTR

Mouser Part No
576-CG2800LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 800V

Learn More

Datasheet

1,433In Stock

Cut Tape

$3.48

$2.71

$2.24

Reel

$1.85

$1.77

Min.: 1
Mult.: 1

: 500

CG2

10 kA

800 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V

CG2470LTR
Littelfuse
1: $3.26
1,619In Stock

Mfr. Part No.
CG2470LTR

Mouser Part No
576-CG2470LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V

Learn More

Datasheet

1,619In Stock

Cut Tape

$3.26

$2.34

$2.05

Reel

$1.70

$1.62

Min.: 1
Mult.: 1

: 500

CG2

20 kA

470 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V MS

CG2230MS
Littelfuse
1: $2.56
925In Stock

Mfr. Part No.
CG2230MS

Mouser Part No
576-CG2230MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V MS

Learn More

Datasheet

925In Stock

Cut Tape

$2.56

$2.09

$1.90

Reel

$1.65

$1.56

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

230 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

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

CG2350MS
Littelfuse
1: $3.15
1,475In Stock

Mfr. Part No.
CG2350MS

Mouser Part No
576-CG2350MS

Littelfuse

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

Learn More

Datasheet

1,475In Stock

Cut Tape

$3.15

$2.42

$2.00

Reel

$1.65

$1.56

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

350 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V MS

CG2470MS
Littelfuse
1: $3.78
41In Stock
1,000Expected 2026/10/22

Mfr. Part No.
CG2470MS

Mouser Part No
576-CG2470MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V MS

Learn More

Datasheet

41In Stock

1,000Expected 2026/10/22

Cut Tape

$3.78

$2.90

$2.00

Reel

$1.72

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

470 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 470V NOMINAL SMT

CG2470LSTR
Littelfuse
1: $3.02
772In Stock

Mfr. Part No.
CG2470LSTR

Mouser Part No
576-CG2470LSTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 470V NOMINAL SMT

Learn More

Datasheet

772In Stock

Cut Tape

$3.02

$2.65

$2.23

Reel

$1.84

$1.76

Min.: 1
Mult.: 1

: 500

CG2

20 kA

470 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V

CG2350
Littelfuse
1: $4.29
785In Stock

Mfr. Part No.
CG2350

Mouser Part No
576-CG2350

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V

Learn More

Datasheet

785In Stock

$4.29

$1.71

$1.70

$1.54

$1.52

Min.: 1
Mult.: 1

CG2

20 kA

350 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Bulk

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V

CG21000
Littelfuse
1: $2.78
721In Stock

Mfr. Part No.
CG21000

Mouser Part No
576-CG21000

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V

Learn More

Datasheet

721In Stock

$2.78

$2.13

$1.77

$1.63

$1.52

Min.: 1
Mult.: 1

CG2

20 kA

1 kV

2 Electrode

SMD/SMT

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Bulk

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 800V NOMINAL SMT

CG2800LS
Littelfuse
1: $3.92
500In Stock

Mfr. Part No.
CG2800LS

Mouser Part No
576-CG2800LS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 800V NOMINAL SMT

Learn More

Datasheet

500In Stock

Cut Tape

$3.92

$2.92

$2.48

Reel

$2.07

$1.93

Min.: 1
Mult.: 1

: 500

CG2

10 kA

800 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM

CG2230
Littelfuse
1: $4.29
566In Stock

Mfr. Part No.
CG2230

Mouser Part No
576-CG2230

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM

Learn More

Datasheet

566In Stock

$4.29

$1.71

$1.70

$1.54

$1.52

Min.: 1
Mult.: 1

CG2

20 kA

230 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Bulk

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V MS GP S.A. STANDARD

CG2145MS
Littelfuse
1: $4.05
520In Stock

Mfr. Part No.
CG2145MS

Mouser Part No
576-CG2145MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V MS GP S.A. STANDARD

Learn More

Datasheet

520In Stock

Cut Tape

$4.05

$2.91

$2.21

Reel

$1.94

$1.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

145 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V MS

CG21000MS
Littelfuse
1: $3.15
1,728In Stock

Mfr. Part No.
CG21000MS

Mouser Part No
576-CG21000MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V MS

Learn More

Datasheet

1,728In Stock

Cut Tape

$3.15

$2.42

$2.00

Reel

$1.72

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

1 kV

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 145V NOM

CG2145L
Littelfuse
1: $3.41
3,503In Stock

Mfr. Part No.
CG2145L

Mouser Part No
576-CG2145L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 145V NOM

Learn More

Datasheet

3,503In Stock

$3.41

$2.61

$2.08

$1.91

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

145 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 300V NOM

CG2300L
Littelfuse
1: $2.84
855In Stock

Mfr. Part No.
CG2300L

Mouser Part No
576-CG2300L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 300V NOM

Learn More

Datasheet

855In Stock

$2.84

$2.17

$1.73

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

300 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 600V NOM

CG2600L
Littelfuse
1: $3.11
996In Stock

Mfr. Part No.
CG2600L

Mouser Part No
576-CG2600L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 600V NOM

Learn More

Datasheet

996In Stock

$3.11

$2.37

$2.09

$2.08

View

Min.: 1
Mult.: 1

CG2

20 kA

600 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 800V NOM

CG2800L
Littelfuse
1: $3.11
1,720In Stock

Mfr. Part No.
CG2800L

Mouser Part No
576-CG2800L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 800V NOM

Learn More

Datasheet

1,720In Stock

$3.11

$2.35

$2.06

$1.90

Min.: 1
Mult.: 1

CG2

10 kA

800 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V MS GP S.A. STANDARD

CG2800MS
Littelfuse
1: $3.15
4,839In Stock

Mfr. Part No.
CG2800MS

Mouser Part No
576-CG2800MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V MS GP S.A. STANDARD

Learn More

Datasheet

4,839In Stock

Cut Tape

$3.15

$2.42

$2.00

Reel

$1.72

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

10 kA

800 V

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V MS TR GP S.A. STANDARD

CG21000MSTR
Littelfuse
1: $3.57
396In Stock

Mfr. Part No.
CG21000MSTR

Mouser Part No
576-CG21000MSTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V MS TR GP S.A. STANDARD

Learn More

Datasheet

396In Stock

Cut Tape

$3.57

$2.73

$2.26

Reel

$1.97

MouseReel Available

Min.: 1
Mult.: 1

: 500

CG2

20 kA

1 kV

2 Electrode

SMD/SMT

Failsafe Not Protected

8.3 mm

6.05 mm

- 40 C

+ 90 C

Reel, Cut Tape, MouseReel

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V

CG2230LTR
Littelfuse
1: $3.26
31In Stock
1,000Expected 2026/11/18

Mfr. Part No.
CG2230LTR

Mouser Part No
576-CG2230LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V

Learn More

Datasheet

31In Stock

1,000Expected 2026/11/18

Cut Tape

$3.26

$2.49

$2.27

Reel

$2.27

Min.: 1
Mult.: 1

: 500

CG2

20 kA

230 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

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

CG2350L
Littelfuse
1: $3.41
602In Stock

Mfr. Part No.
CG2350L

Mouser Part No
576-CG2350L

Littelfuse

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

Learn More

Datasheet

602In Stock

$3.41

$2.36

$2.09

$1.95

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

350 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V

CG2350LTR
Littelfuse
1: $3.26
276In Stock

Mfr. Part No.
CG2350LTR

Mouser Part No
576-CG2350LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V

Learn More

Datasheet

276In Stock

Cut Tape

$3.26

$2.49

$2.06

Reel

$1.77

Min.: 1
Mult.: 1

: 500

CG2

20 kA

350 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Reel, Cut Tape

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 420V NOM

CG2420L
Littelfuse
1: $2.84
263In Stock

Mfr. Part No.
CG2420L

Mouser Part No
576-CG2420L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 420V NOM

Learn More

Datasheet

263In Stock

$2.84

$2.17

$1.73

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

420 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V NOM

CG2470L
Littelfuse
1: $2.84
720In Stock

Mfr. Part No.
CG2470L

Mouser Part No
576-CG2470L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V NOM

Learn More

Datasheet

720In Stock

$2.84

$2.17

$1.73

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

470 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V

CG2470LSN
Littelfuse
1: $2.84
199In Stock

Mfr. Part No.
CG2470LSN

Mouser Part No
576-CG2470LSN

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V

Learn More

Datasheet

199In Stock

$2.84

$2.17

$2.08

$1.72

Min.: 1
Mult.: 1

CG2

20 kA

470 V

2 Electrode

Axial

Failsafe Not Protected

8.1 mm

6.07 mm

- 40 C

+ 90 C

Tray

CG2 Gas Discharge Tubes (GDTs)

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