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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
2017-35-SMH-RPLFGDT 350V 10KA 2 POLE SMD HORIZ |
9,754 | - |
|
Datasheet |
Disc 8.00mm Tabbed SMD | 2017 | Tape & Reel (TR) | Active | 350 V | 10000A (10kA) | ±20% | 2 | No | Surface Mount Horizontal |
|
SE240GDT 240V 150A 2 POLE SMD |
6,536 | - |
|
- |
2-SMD, Square End Block | SE | Tape & Reel (TR) | Active | 240 V | 150A | ±20% | 2 | No | Surface Mount |
|
SL1024B090RFGDT 90V 20KA 3 POLE THROUGH HOLE |
9,417 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 90 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B230RFGDT 230V 20KA 3 POLE TH |
9,479 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 230 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B250RFGDT 250V 20KA 3 POLE TH |
9,144 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 250 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B260RFGDT 260V 20KA 3 POLE TH |
7,285 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 260 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B300RFGDT 300V 20KA 3 POLE TH |
6,993 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 300 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B350RFGDT 350V 20KA 3 POLE TH |
3,111 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 350 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B400RFGDT 400V 20KA 3 POLE TH |
8,575 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 400 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B420RFGDT 420V 20KA 3 POLE TH |
7,544 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 420 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B450RFGDT 450V 20KA 3 POLE TH |
9,994 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 450 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1024B500RFGDT 500V 20KA 3 POLE TH |
9,338 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1024B | Tray | Obsolete | 500 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B090RGGDT 90V 20KA 3 POLE THROUGH HOLE |
6,709 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 90 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B350RGGDT 350V 20KA 3 POLE TH |
3,531 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 350 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B450RGGDT 450V 20KA 3 POLE TH |
3,528 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 450 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B420RGGDT 420V 20KA 3 POLE TH |
5,047 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 420 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B400RGGDT 400V 20KA 3 POLE TH |
4,651 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 400 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B260RGGDT 260V 20KA 3 POLE TH |
6,115 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 260 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B300RGGDT 300V 20KA 3 POLE TH |
6,624 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 300 V | 20000A (20kA) | - | 3 | Yes | Through Hole |
|
SL1021B250RGGDT 250V 20KA 3 POLE TH |
4,776 | - |
|
Datasheet |
Axial Cylinder, 3 Lead (Radial Bend) | SL1021B | Tray | Obsolete | 250 V | 20000A (20kA) | - | 3 | Yes | Through Hole |

