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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GDT28H-120-AGDT 1200V 5KA 2 POLE TH |
3,829 | - |
|
Datasheet |
Axial Cylinder | GDT28H | Bag | Active | 1200 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
GDT28H-130-AGDT 1300V 5KA 2 POLE TH |
6,665 | - |
|
Datasheet |
Axial Cylinder | GDT28H | Bag | Active | 1300 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
GDT28H-300-AGDT 3000V 5KA 2 POLE TH |
3,837 | - |
|
Datasheet |
Axial Cylinder | GDT28H | Bag | Active | 3000 V | 5000A (5kA) | ±20% | 2 | No | Through Hole |
|
3RL090L-6/BGDT 90V 5KA 3 POLE TH BOX |
5,190 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Box | Active | 90 V | 5000A (5kA) | ±20% | 3 | Yes | Through Hole |
|
3RL075L-6/BGDT 75V 5KA 3 POLE TH BOX |
4,442 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Box | Active | 75 V | 5000A (5kA) | ±20% | 3 | Yes | Through Hole |
|
3RL300L-6/BGDT 300V 5KA 3 POLE THROUGH HOLE |
4,641 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 300 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL150L-6/BGDT 150V 5KA 3 POLE THROUGH HOLE |
7,880 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 150 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL600L-6/BGDT 600V 5KA 3 POLE THROUGH HOLE |
7,476 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 600 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL350L-6/BGDT 350V 5KA 3 POLE THROUGH HOLE |
3,739 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 350 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL470L-6/BGDT 470V 5KA 3 POLE THROUGH HOLE |
2,268 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 470 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL230L-6/BGDT 230V 5KA 3 POLE THROUGH HOLE |
6,125 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 230 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL250L-6/BGDT 250V 5KA 3 POLE THROUGH HOLE |
5,819 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 250 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
3RL100L-6/BGDT 100V 5KA 3 POLE THROUGH HOLE |
8,723 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | 3R-6 | Tray | Active | 100 V | 5000A (5kA) | ±20% | 3 | No | Through Hole |
|
B88069X2630T502GDT 1600V 2.5KA 2 POLE TH |
8,157 | - |
|
Datasheet |
Axial Cylinder | A71 | Tape & Reel (TR) | Active | 1600 V | 2500A (2.5kA) | ±20% | 2 | No | Through Hole |
|
GTCR36-351M-P05-FSGDT 350V 5KA 3 POLE THROUGH HOLE |
4,618 | - |
|
Datasheet |
Radial Cylinder, 3 Lead | GT | Tray | Obsolete | 350 V | 5000A (5kA) | ±20% | 3 | Yes | Through Hole |
|
GTCR36-900M-P05-FSGDT 90V 5KA 3 POLE THROUGH HOLE |
4,618 | - |
|
Datasheet |
Radial Cylinder, 3 Lead | GT | Tray | Obsolete | 90 V | 5000A (5kA) | ±20% | 3 | Yes | Through Hole |
|
2036-15-SMLF-HGDT 150V 10KA 3 POLE SMD |
7,237 | - |
|
- |
3-SMD Cylinder Square End | TRIGARD™ 2036-xx-SM-H | Bulk | Obsolete | 150 V | 10000A (10kA) | ±25% | 3 | No | Surface Mount |
|
2036-23-SMLF-HGDT 230V 10KA 3 POLE SMD |
4,330 | - |
|
- |
3-SMD Cylinder Square End | TRIGARD™ 2036-xx-SM-H | Bulk | Obsolete | 230 V | 10000A (10kA) | ±25% | 3 | No | Surface Mount |
|
2036-35-SMLF-HGDT 350V 10KA 3 POLE SMD |
5,941 | - |
|
- |
3-SMD Cylinder Square End | TRIGARD™ 2036-xx-SM-H | Bulk | Obsolete | 350 V | 10000A (10kA) | ±25% | 3 | No | Surface Mount |
|
2036-47-SMLF-HGDT 470V 10KA 3 POLE SMD |
6,713 | - |
|
- |
3-SMD Cylinder Square End | TRIGARD™ 2036-xx-SM-H | Bulk | Obsolete | 470 V | 10000A (10kA) | ±25% | 3 | No | Surface Mount |

