Gas Discharge Tubes

Littelfuse Gas Discharge Tubes (GDTs) are designed for high-voltage transient surge protection in small devices. Littelfuse GDTs are designed to dissipate large amounts of energy and are ideal for lightning surge protection. GDTs are widely applied to outdoor telecommunications equipment. These Littelfuse devices are available in leaded and surface-mount configurations.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Peak Pulse Current
DC Sparkover
Number of Electrodes
Termination Style
Failsafe Protection Y/N
Diameter
Length
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GTCA28-601M-R20
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 20 kA 600 V 2 Electrode Axial Failsafe Not Protected 1 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 5 kA 75 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000
Reel: 1,000

GTCx28-R 5 kA 75 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Reel
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 800V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 10 kA 800 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 5 kA 90 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 10 kA 90 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 2POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx28-R 20 kA 90 V 2 Electrode Axial Failsafe Not Protected 8 mm 6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 5 kA 350 V 3 Electrode Axial Failsafe Not Protected 5 mm 7.6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5mm 350V 20% Gas Discharge Tube
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 350 V 3 Electrode Radial Failsafe Protected 5 mm 7.6 mm - 20 C + 65 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 420V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000
GTCx3-R 5 kA 420 V 3 Electrode Axial Failsafe Not Protected 5 mm 7.6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 550V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 5 kA 550 V 3 Electrode Axial Failsafe Protected 5 mm 7.6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 5 kA 90 V 3 Electrode Axial Failsafe Protected 5 mm 7.6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 5 kA 230 V 3 Electrode Axial Failsafe Protected 5 mm 7.6 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 10 kA 230 V 3 Electrode Axial Failsafe Protected 6 mm 8 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 250V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1

GTCx3-R 10 kA 250 V 3 Electrode Axial Failsafe Not Protected 6 mm 8 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 350 V 3 Electrode Axial Failsafe Not Protected 6 mm 8 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 10 kA 350 V 3 Electrode Axial Failsafe Protected 6 mm 8 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3POLE 3POLE 6mm D
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 3 Electrode Radial 6 mm 8 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 230 V 3 Electrode Axial Failsafe Not Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 5,000
Mult.: 1,000

GTCx3-R 10 kA 230 V 3 Electrode Axial Failsafe Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 260V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 260 V 3 Electrode Axial Failsafe Not Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 350 V 3 Electrode Axial Failsafe Not Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 350 V 3 Electrode Axial Failsafe Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 20 kA 350 V 3 Electrode Axial Failsafe Protected 8 mm 13.4 mm - 40 C + 90 C Tray
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 420V 3POLE AXIAL LEADS GDT
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000

GTCx3-R 10 kA 420 V 3 Electrode Axial Failsafe Not Protected 8 mm 13.4 mm - 40 C + 90 C Tray