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0755-82798135Gas Discharge Tube Arresters (GDT)
Gas Discharge Tube Arresters (GDT)
Gas Discharge Tube Arresters (GDT) are circuit protection components used to protect electronic systems from high-energy surge events, lightning-induced transients and overvoltage conditions. They are widely used in communication equipment, power supplies, industrial control systems, telecom lines, networking devices, security systems, renewable energy equipment, meters and building electrical protection.
This category includes gas discharge tubes, GDT surge arresters, two-electrode GDTs, three-electrode GDTs, lightning protection arresters and related overvoltage protection components. These devices are commonly selected based on DC spark-over voltage, impulse discharge current, insulation resistance, capacitance, response characteristics, package type, safety standards and application requirements.
TomatoElec supplies original Gas Discharge Tube Arresters from recognized manufacturers such as Bourns, Littelfuse, TDK, EPCOS, Vishay, Eaton, Bel Fuse, Murata, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Package/Case | Series | Packaging | Product Status | Voltage - DC Spark Over (Nom) | Impulse Discharge Current (8/20µs) | Tolerance | Number of Poles | Fail Short | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CG2470LTRGDT 470V 20KA 2 POLE TH |
1,729 | - |
|
Datasheet |
Axial Cylinder | CG2 | Tape & Reel (TR) | Active | 470 V | 20000A (20kA) | - | 2 | No | Through Hole |
|
SA2-7200-CLT-STDGDT 7200V 5KA 2 POLE TH |
7,752 | - |
|
Datasheet |
Axial Cylinder | SA2 | Tape & Reel (TR) | Active | 7200 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
|
2026-09-C2FLFGDT 90V 20KA 3 POLE THROUGH HOLE |
985 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | TRIGARD® 2026 | Tray | Active | 90 V | 20000A (20kA) | ±20% | 3 | Yes | Through Hole |
|
|
2026-09-C2FGDT 90V 20KA 3 POLE THROUGH HOLE |
979 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | TRIGARD® 2026 | Tube | Active | 90 V | 20000A (20kA) | ±20% | 3 | Yes | Through Hole |
|
|
B88069X0680T502GDT 255V THROUGH HOLE |
848 | - |
|
Datasheet |
Axial Cylinder | CAS | Tape & Reel (TR) | Active | 255 V | - | - | - | No | Through Hole |
|
|
GTCA28-312L-R03GDT 3100V 3KA 2 POLE TH |
693 | - |
|
Datasheet |
Axial Cylinder | GT | Tray | Active | 3100 V | 3000A (3kA) | ±15% | 2 | No | Through Hole |
|
CG33.0LTRGDT 3000V 5KA 2 POLE TH |
1,323 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tape & Reel (TR) | Active | 3000 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
CG33.3LTRGDT 3300V 5KA 2 POLE TH |
445 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tape & Reel (TR) | Active | 3300 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
CG33.3LGDT 3300V 5KA 2 POLE TH |
626 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tray | Active | 3300 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
CG34.5LTRGDT 4500V 5KA 2 POLE TH |
461 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tape & Reel (TR) | Active | 4500 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
CG32.7LGDT 2700V 5KA 2 POLE TH |
947 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tray | Active | 2700 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
B88069X7460B102GDT 400V 20KA 3 POLE TH |
665 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | T6x | Bulk | Active | 400 V | 20000A (20kA) | ±25% | 3 | No | Through Hole |
|
CG31.2LGDT 1200V 5KA 2 POLE TH |
181 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tray | Active | 1200 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
|
B88069X8830B102GDT 420V 20KA 3 POLE TH |
1,649 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | T6x | Bulk | Active | 420 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
CG35.0LTRGDT 5000V 5KA 2 POLE TH |
2,240 | - |
|
Datasheet |
Axial Cylinder | CG3 | Tape & Reel (TR) | Active | 5000 V | 5000A (5kA) | - | 2 | No | Through Hole |
|
GTCS36-151M-R10GDT 150V 10KA 3 POLE SMD |
2,407 | - |
|
Datasheet |
3-SMD Cylinder Square End | GT | Tray | Active | 150 V | 10000A (10kA) | ±20% | 3 | No | Surface Mount |
|
SL1021B350RGDT 350V 20KA 3 POLE TH |
104 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 350 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
SL1021B260RFGDT 260V 20KA 3 POLE TH |
300 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 260 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
B88069X2863T302GDT 800V 20KA 5 POLE |
343 | - |
|
Datasheet |
Cylinder No Lead, 6 Terminal | LN8A | Tape & Reel (TR) | Active | 800 V | 20000A (20kA) | ±25% | 5 | No | User Defined |
|
B88069X4230C101GDT 3000V 20KA 2 POLE |
433 | - |
|
Datasheet |
Cylinder No Lead | V1x | Bulk | Active | 3000 V | 20000A (20kA) | ±25% | 2 | No | User Defined |

