Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PMT3(310)07504GDT 75V 20KA 3 POLE THROUGH HOLE |
8,758 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | PMT3(310) | Tray | Active | 75 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
SL1021B150RFGDT 150V 20KA 3 POLE TH |
2,167 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 150 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SA2-3000-CLT-STDGDT 3000V 5KA 2 POLE TH |
6,563 | - |
|
Datasheet |
Axial Cylinder | SA2 | Tape & Reel (TR) | Active | 3000 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
SA2-6300-CLT-STDGDT 6300V 5KA 2 POLE TH |
8,314 | - |
|
Datasheet |
Axial Cylinder | SA2 | Tape & Reel (TR) | Active | 6300 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
2420-39-G-TGDT 625V 20KA 5 POLE TH |
3,879 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
2420-310-G-TGDT 625V 20KA 5 POLE TH |
8,456 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
2420-31-G-TGDT 625V 20KA 5 POLE TH |
4,643 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
PMT3(310)25010GDT 250V 20KA 3 POLE TH |
3,849 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | PMT3(310) | Tube | Obsolete | 250 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
PMT3(310)35010GDT 350V 20KA 3 POLE TH |
3,317 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | PMT3(310) | Tube | Obsolete | 350 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
2420-36-G-TGDT 625V 20KA 5 POLE TH |
3,039 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
|
GTCA26-251M-R05-2GDT 250V 5KA 2 POLE THROUGH HOLE |
3,242 | - |
|
Datasheet |
Axial Cylinder | GTC | Tape & Reel (TR) | Active | 250 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
RF5118-000GDT |
5,092 | - |
|
- |
- | - | Tray | Active | - | - | - | - | - | - |
|
2420-39-G-STGDT 625V 20KA 5 POLE TH |
5,738 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
2420-33-G-TGDT 625V 20KA 5 POLE TH |
3,413 | - |
|
Datasheet |
Module, Plug-In | 2420 | Bulk | Last Time Buy | 625 V | 20000A (20kA) | - | 5 | Yes | Through Hole |
|
GDT212E-60-T2-BXGDT 600V 30KA 2 POLE TH |
5,850 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 600 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |
|
GDT212E-35-T2-BXGDT 350V 30KA 2 POLE TH |
9,012 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 350 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |
|
GDT212E-25-T2-BXGDT 250V 30KA 2 POLE TH |
9,510 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 250 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |
|
GDT212E-50-T2-BXGDT 500V 30KA 2 POLE TH |
2,517 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 500 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |
|
GDT212E-23-T2-BXGDT 230V 30KA 2 POLE TH |
6,053 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 230 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |
|
GDT212E-42-T2-BXGDT 420V 30KA 2 POLE TH |
4,714 | - |
|
Datasheet |
Axial Cylinder, Radial Bend | GDT212E | Box | Active | 420 V | 30000A (30kA) | ±20% | 2 | No | Through Hole |

