CG3 High-Voltage Gas Discharge Tubes

Littelfuse CG3 High-Voltage Gas Discharge Tubes (GDTs) are two-electrode, 1kV to 7.5kV devices designed for surge protection and high-isolation applications. Littelfuse CG3 GDTs are also designed for applications for which bias voltages or signal levels of several hundred volts are normally present. CG3 offers a low capacitance of <1.5pF and 5kA peak pulse current while operating over a -40°C to +90°C operating temperature range.

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Dami RoHS ECAD Model Series
Peak Pulse Current
DC Sparkover
Dami ng Electrode
Istilo ng Termination
Failsafe na Proteksiyon O/H
Diyametro
Haba
Minimum na Operating Temperature
Maximum na Operating Temperature
Packaging
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.2KV
Datasheet
2,015May Stock
Min.: 1
Mult.: 1

CG3 1.2 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 4.0KV
Datasheet
3,905May Stock
Min.: 1
Mult.: 1
: 500

CG3 4 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3.0KV Standard GP Nominal
Datasheet
645May Stock
Min.: 1
Mult.: 1

CG3 3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Bulk
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 1.0KV
Datasheet
410May Stock
Min.: 1
Mult.: 1

CG3 1 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Bulk
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. 1.3KV SPECIAL LIMITS
Datasheet
16May Stock
350Inaasahan 10/14/2026
Min.: 1
Mult.: 1

CG3 5 kA 1.3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.0KV
Datasheet
874May Stock
Min.: 1
Mult.: 1
: 500

CG3 1 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1.5KV NOM
Datasheet
1,332May Stock
Min.: 1
Mult.: 1

CG3 1.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 3.3KV
Datasheet
1,174May Stock
Min.: 1
Mult.: 1
: 500

CG3 5 kA 3.3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 4.0KV
Datasheet
1,445May Stock
Min.: 1
Mult.: 1

CG3 4 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 4.5KV
Datasheet
961May Stock
3,500Inaasahan 8/6/2026
Min.: 1
Mult.: 1

CG3 4.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 4.5KV
Datasheet
1,560May Stock
Min.: 1
Mult.: 1
: 500

CG3 4.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5.0KV Standard GP Nominal
Datasheet
1,062May Stock
1,000Inaasahan 7/20/2026
Min.: 1
Mult.: 1
: 500

CG3 5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.0KV
Datasheet
378May Stock
Min.: 1
Mult.: 1

CG3 1 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.5KV
Datasheet
438May Stock
Min.: 1
Mult.: 1

CG3 1.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Bulk
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.5KV
Datasheet
439May Stock
500Inaasahan 7/22/2026
Min.: 1
Mult.: 1
: 500

CG3 1.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.0KV NOM
Datasheet
325May Stock
Min.: 1
Mult.: 1

CG3 2 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 2.0KV
Datasheet
402May Stock
1,000Inaasahan 8/24/2026
Min.: 1
Mult.: 1
: 500

CG3 2 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 3.0KV NOM
Datasheet
440May Stock
Min.: 1
Mult.: 1

CG3 3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 3.0KV
Datasheet
184May Stock
2,500Inoorder
Min.: 1
Mult.: 1
: 500

CG3 3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Standard HV
Datasheet
121May Stock
700Inoorder
Min.: 1
Mult.: 1

CG3 5 kA 3.3 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 4.0KV
Datasheet
1,200May Stock
Min.: 1
Mult.: 1

CG3 4 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Bulk
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 5.0KV NOM
Datasheet
467May Stock
700Inaasahan 7/22/2026
Min.: 1
Mult.: 1

CG3 5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 6.5KV
Datasheet
310May Stock
Min.: 1
Mult.: 1

CG3 5 kA 6.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Bulk
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.5KV NOM
Datasheet
1,050Inaasahan 9/18/2026
Min.: 1
Mult.: 1

CG3 2.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 2.5KV
Datasheet
1,000Inaasahan 10/26/2026
Min.: 1
Mult.: 1
: 500

CG3 2.5 kV 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel, Cut Tape