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| PartNumber | GTCS25-401M-R02-2 | GTCS25-421M-R02-2 | GTCS25-401M-R02 |
| Description | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 400V2POLE SMT GDT | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | - |
| RoHS | Y | Y | - |
| Series | GTCx2-R | GTCx2-R | - |
| Peak Pulse Current | 2.5 kA | 2.5 kA | - |
| DC Sparkover | 400 V | 420 V | - |
| Number of Electrodes | 2 Electrode | 2 Electrode | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Failsafe Protection Y/N | Failsafe Not Protected | Failsafe Not Protected | - |
| Diameter | 5 mm | 5 mm | - |
| Length | 4.4 mm | 4.4 mm | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 90 C | + 90 C | - |
| Packaging | Reel | Reel | - |
| Technology | Gas Discharge Tubes | Gas Discharge Tubes | - |
| Brand | Littelfuse | Littelfuse | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Insulation Resistance | 10 GOhms | 10 GOhms | - |
| Product Type | GDTs - Gas Discharge Tubes / Surge Arresters | GDTs - Gas Discharge Tubes / Surge Arresters | - |
| Factory Pack Quantity | 1500 | 1500 | - |
| Subcategory | GDTs - Gas Discharge Tubes | GDTs - Gas Discharge Tubes | - |
| Part # Aliases | RF1646-000 | RF2961-000 | - |