Gas Discharge Tubes

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Peak Pulse Current	DC Sparkover	Number of Electrodes	Termination Style	Failsafe Protection Y/N	Diameter	Length	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 250V 3POLE RADIAL LEADS GDT GTCR37-251M-R10 Littelfuse 1.000: Rp29.170,14 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-251M-R10 Mouser Part No 650-GTCR37-251M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 250V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp29.170,14	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	250 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GTCR37-301M-R10 Littelfuse 1.000: Rp31.922,04 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-301M-R10 Mouser Part No 650-GTCR37-301M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp31.922,04	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	300 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 350V 3POLE RADIAL LEADS GDT GTCR37-351M-R10 Littelfuse 1.000: Rp31.922,04 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-351M-R10 Mouser Part No 650-GTCR37-351M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 350V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp31.922,04	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	350 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 400V 3POLE RADIAL LEADS GDT GTCR37-401M-R10 Littelfuse 1.000: Rp31.922,04 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-401M-R10 Mouser Part No 650-GTCR37-401M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 400V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp31.922,04	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	400 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GTCR37-421M-R10 Littelfuse 1.000: Rp30.821,28 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-421M-R10 Mouser Part No 650-GTCR37-421M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp30.821,28	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	420 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 550V 3POLE RADIAL LEADS GDT GTCR37-551M-R10 Littelfuse 1: Rp61.459,10 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-551M-R10 Mouser Part No 650-GTCR37-551M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 550V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp61.459,10 Rp51.185,34 Rp47.149,22 Rp39.076,98 View Rp36.141,62 Rp32.472,42 Rp30.821,28	Min.: 1 Mult.: 1	GTCx3-R	10 kA	550 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 550V 3POLE RADIAL LEADS GDT GTCR37-551M-R10-FT Littelfuse 5.000: Rp30.821,28 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-551M-R10-FT Mouser Part No 650-GTCR37-551MR10FT	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 550V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp30.821,28	Min.: 5.000 Mult.: 1.000	GTCx3-R	10 kA	550 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 90V 3POLE RADIAL LEADS GDT GTCR37-900M-R10-FS2 Littelfuse 5.000: Rp32.472,42 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR37-900M-R10-FS2 Mouser Part No 650-GTCR37900MR10FS2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7MM 90V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp32.472,42	Min.: 5.000 Mult.: 1.000	GTCx3-R	10 kA	90 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	11.5 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 150V 3POLE RADIAL LEADS GDT GTCR38-151M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-151M-R10 Mouser Part No 650-GTCR38-151M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 150V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	150 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GTCR38-151M-R20 Littelfuse 1.000: Rp61.642,56 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-151M-R20 Mouser Part No 650-GTCR38-151M-R20	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp61.642,56	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	150 V	3 Electrode	Radial	Failsafe Not Protected	8.2 mm	10.3 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 3POLE RADIAL LEADS GDT GTCR38-231M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-231M-R10 Mouser Part No 650-GTCR38-231M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	230 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	10 mm	- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 250V 3POLE RADIAL LEADS GDT GTCR38-251M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-251M-R10 Mouser Part No 650-GTCR38-251M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 250V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	250 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	10 mm	- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 250V 3POLE RADIAL LEADS GDT GTCR38-251M-R10-FS Littelfuse 1: Rp64.211,00 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-251M-R10-FS Mouser Part No 650-GTCR38-251MR10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 250V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp64.211,00 Rp53.386,86 Rp49.167,28 Rp40.911,58 View Rp37.609,30 Rp33.940,10 Rp32.288,96	Min.: 1 Mult.: 1	GTCx3-R	10 kA	260 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	10 mm	- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Gas Discharge Tubes GTCR38-261M-R10-FS2 Littelfuse 1.000: Rp32.288,96 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-261M-R10-FS2 Mouser Part No 650-GTCR38-261M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Gas Discharge Tubes Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp32.288,96	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	260 V	3 Electrode	Radial	Failsafe Protected			- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE RADIAL LEADS GDT GTCR38-351M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-351M-R10 Mouser Part No 650-GTCR38-351M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	350 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE RADIAL LEADS GDT GTCR38-351M-R10-FS Littelfuse 5.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-351M-R10-FS Mouser Part No 650-GTCR38-351MR10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 350V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 5.000 Mult.: 1.000	GTCx3-R	10 kA	350 V	3 Electrode	Radial	Failsafe Protected			- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 400V 3POLE RADIAL LEADS GDT GTCR38-401M-R10 Littelfuse 1.000: Rp30.087,44 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-401M-R10 Mouser Part No 650-GTCR38-401M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 400V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp30.087,44	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	350 V	3 Electrode	Radial	Failsafe Not Protected	8.5 mm	10.3 mm	- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 470V 3POLE RADIAL LEADS GDT GTCR38-471M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-471M-R10 Mouser Part No 650-GTCR38-471M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 470V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	470 V	3 Electrode	Radial	Failsafe Not Protected	8.5 mm	10.3 mm	- 20 C	+ 65 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 470V 3POLE RADIAL LEADS GDT GTCR38-471M-R10-FS Littelfuse 5.000: Rp30.087,44 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-471M-R10-FS Mouser Part No 650-GTCR38-471MR10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 470V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp30.087,44	Min.: 5.000 Mult.: 1.000	GTCx3-R	10 kA	470 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 500V 3POLE RADIAL LEADS GDT GTCR38-501M-R10 Littelfuse 1.000: Rp28.069,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-501M-R10 Mouser Part No 650-GTCR38-501M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 500V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp28.069,38	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	90 V	3 Electrode	Radial	Failsafe Not Protected	8.2 mm	10.3 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 3POLE RADIAL LEADS GDT GTCR38-601M-R10-FS Littelfuse 1.000: Rp32.288,96 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-601M-R10-FS Mouser Part No 650-GTCR38-601MR10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp32.288,96	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	90 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE RADIAL LEADS GDT GTCR38-900M-R10 Littelfuse 1: Rp63.110,24 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-900M-R10 Mouser Part No 650-GTCR38-900M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp63.110,24 Rp57.422,98 Rp55.404,92 Rp43.480,02 View Rp36.325,08 Rp34.123,56 Rp30.454,36 Rp30.087,44	Min.: 1 Mult.: 1	GTCx3-R	10 kA	90 V	3 Electrode	Radial	Failsafe Not Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE RADIAL LEADS GDT GTCR38-900M-R10-FS Littelfuse 1.000: Rp32.288,96 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-900M-R10-FS Mouser Part No 650-GTCR38-900MR10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp32.288,96	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	90 V	3 Electrode	Radial	Failsafe Protected	7.5 mm	10 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GTCR38-231M-R10-FS Littelfuse 1.000: Rp32.288,96 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCR38-231M-R10-FS Mouser Part No 650-GTCR38231M-R10FS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Rp32.288,96	Min.: 1.000 Mult.: 1.000	GTCx3-R	10 kA	250 V	3 Electrode	Radial	Failsafe Protected	8.2 mm	10.3 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V 2POLE 5mm L GTCS23-201M-R01-2 Littelfuse 2.000: Rp9.723,38 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. GTCS23-201M-R01-2 Mouser Part No 650-GTCS23-201MR01-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V 2POLE 5mm L Learn More about Littelfuse gas discharge tubes	Datasheet	Non-Stocked Lead-Time 15 Weeks	Reel Rp9.723,38	Min.: 2.000 Mult.: 2.000 : 2.000	GTCx2-R	1 kA	200 V	2 Electrode	SMD/SMT	Failsafe Not Protected	3 mm	4.5 mm	- 40 C	+ 90 C	Reel