| PartNumber | GTCA28-401M-R10 | GTCA28-402M-R03 | GTCA28-402M-P01 |
| Description | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 400V 2POLE AXIAL LEADS GDT | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 4000V 2POLE AXIAL LEAD HV GDT | GDT 4000V 20% 1KA THROUGH HOLE |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | - |
| RoHS | Y | - | - |
| Series | GTCx28-R | GTCx28-R | - |
| Peak Pulse Current | 10 kA | 3 kA | - |
| DC Sparkover | 400 V | 4 kV | - |
| Number of Electrodes | 2 Electrode | 2 Electrode | - |
| Termination Style | Axial | Axial | - |
| Failsafe Protection Y/N | Failsafe Not Protected | Failsafe Not Protected | - |
| Diameter | 8 mm | 8 mm | - |
| Length | 6 mm | 6 mm | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 90 C | + 90 C | - |
| Packaging | Tray | Tray | - |
| Technology | Gas Discharge Tubes | Gas Discharge Tubes | - |
| Brand | Littelfuse | Littelfuse | - |
| Mounting Style | Through Hole | Through Hole | - |
| Insulation Resistance | 10 GOhms | 10 GOhms | - |
| Product Type | GDTs - Gas Discharge Tubes / Surge Arresters | GDTs - Gas Discharge Tubes / Surge Arresters | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | GDTs - Gas Discharge Tubes | GDTs - Gas Discharge Tubes | - |
| Part # Aliases | RF1856-000 | RF2535-000 | - |