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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SL1021B230RGGDT 230V 20KA 3 POLE TH |
2,008 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 230 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B500RGGDT 500V 20KA 3 POLE TH |
9,711 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 500 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B090RGGDT 90V 20KA 3 POLE THROUGH HOLE |
8,534 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 90 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B350RGGDT 350V 20KA 3 POLE TH |
3,537 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 350 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B450RGGDT 450V 20KA 3 POLE TH |
6,085 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 450 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B400RGGDT 400V 20KA 3 POLE TH |
9,814 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 400 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B260RGGDT 260V 20KA 3 POLE TH |
4,814 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 260 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B300RGGDT 300V 20KA 3 POLE TH |
8,631 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 300 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B250RGGDT 250V 20KA 3 POLE TH |
2,710 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 250 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B230RGGDT 230V 20KA 3 POLE TH |
9,660 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 230 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B090CGDT 90V 20KA 3 POLE |
6,168 | - |
|
Datasheet |
Cylinder No Lead, 3 Terminal | SL1021B | Tray | Active | 90 V | 20000A (20kA) | - | 3 | No | User Defined |
|
SL1021B250CGDT 250V 20KA 3 POLE |
7,861 | - |
|
Datasheet |
Cylinder No Lead, 3 Terminal | SL1021B | Tray | Active | 250 V | 20000A (20kA) | - | 3 | No | User Defined |
|
SL1021B260RGDT 260V 20KA 3 POLE TH |
2,800 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 260 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
SL1021B350CGDT 350V 20KA 3 POLE |
4,421 | - |
|
Datasheet |
Cylinder No Lead, 3 Terminal | SL1021B | Tray | Active | 350 V | 20000A (20kA) | - | 3 | No | User Defined |
|
SL1021B400CGDT 400V 20KA 3 POLE |
3,703 | - |
|
Datasheet |
Cylinder No Lead, 3 Terminal | SL1021B | Tray | Active | 400 V | 20000A (20kA) | - | 3 | No | User Defined |
|
SL1021B420CGDT 420V 20KA 3 POLE |
3,254 | - |
|
Datasheet |
Cylinder No Lead, 3 Terminal | SL1021B | Tray | Active | 420 V | 20000A (20kA) | - | 3 | No | User Defined |
|
SL1021B420RGDT 420V 20KA 3 POLE TH |
3,161 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 420 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
SL1021B450RGDT 450V 20KA 3 POLE TH |
4,043 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Active | 450 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
SL1024B090RGDT 90V 20KA 3 POLE THROUGH HOLE |
8,731 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Active | 90 V | 20000A (20kA) | - | 3 | No | Through Hole |
|
GTCR38-351M-R20GDT 350V 20KA 3 POLE TH |
5,528 | - |
|
- |
Radial Cylinder, 3 Lead | GT | Tray | Active | 350 V | 20000A (20kA) | ±20% | 3 | No | Through Hole |

