| PartNumber | SL1021A300R | SL1021A300RG | SL1021A300RF |
| Description | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 240-360V 5A Beta 3 Terminal | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3T A300V Beta 3 Terminal | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3T A300V Beta 3 Terminal |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors |
| RoHS | Y | Y | Y |
| Series | SL1021A | SL1021A | SL1021A |
| Peak Pulse Current | 10 kA | 10 kA | 10 kA |
| DC Sparkover | 300 V | 300 V | 300 V |
| Number of Electrodes | 3 Electrode | 3 Electrode | 3 Electrode |
| Termination Style | Radial | Radial | Radial |
| Failsafe Protection Y/N | Failsafe Not Protected | Failsafe Protected | Failsafe Protected |
| Diameter | 8 mm | 8 mm | 8 mm |
| Length | 10.5 mm | 10.5 mm | 10.5 mm |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 90 C | + 90 C | + 90 C |
| Packaging | Tray | Tray | Tray |
| Technology | Gas Discharge Tube | Gas Discharge Tube | Gas Discharge Tube |
| Type | 3 Pole Gas Discharge Tube | 3 Pole Gas Discharge Tube | 3 Pole Gas Discharge Tube |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Insulation Resistance | 10 GOhms | 10 GOhms | 10 GOhms |
| Product Type | GDTs - Gas Discharge Tubes / Surge Arresters | GDTs - Gas Discharge Tubes / Surge Arresters | GDTs - Gas Discharge Tubes / Surge Arresters |
| Factory Pack Quantity | 500 | 500 | 500 |
| Subcategory | GDTs - Gas Discharge Tubes | GDTs - Gas Discharge Tubes | GDTs - Gas Discharge Tubes |