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| PartNumber | SL1021B350C | SL1021B350 | SL1021B350R |
| Description | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 280-420V 10A Beta 3 Terminal | Gas Discharge Tubes / Gas Plasma Arrestors 280-420V 10A Beta 3 Terminal | |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Gas Discharge Tubes - GDTs / Gas Plasma Arrestors | Gas Discharge Tube Arresters (GDT) | Gas Discharge Tube Arresters (GDT) |
| RoHS | Y | - | - |
| Series | SL1021A | SL1021B | SL1021B |
| Peak Pulse Current | 20 kA | 20 kA | 20 kA |
| DC Sparkover | 350 V | 350 VDC | 350 VDC |
| Number of Electrodes | 3 Electrode | 3 Electrode | 3 Electrode |
| Termination Style | SMD/SMT | Solder Pad | Radial |
| Failsafe Protection Y/N | Failsafe Not Protected | - | - |
| Diameter | 8 mm | 8 mm | 8 mm |
| Length | 10.5 mm | 10.5 mm | 10.5 mm |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 90 C | - | - |
| Packaging | Tray | Tray | Tray |
| Technology | Gas Discharge Tube | Gas Discharge Tube | Gas Discharge Tube |
| Type | 3 Pole Gas Discharge Tube | Gas Plasma Arrester | Gas Plasma Arrester |
| Brand | Littelfuse | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Insulation Resistance | 10 GOhms | 1 GOhms | 1 GOhms |
| Product Type | GDTs - Gas Discharge Tubes / Surge Arresters | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | GDTs - Gas Discharge Tubes | - | - |
| Number of Poles | - | 3 | 3 |
| Operating Temperature Range | - | - 40 C to + 90 C | - 40 C to + 90 C |
| Package Case | - | Cylinder No Lead, 3 Terminal | Axial Cylinder, 3 Lead (Radial Bend) |
| Mounting Type | - | User Defined | Through Hole |
| Tolerance | - | - | - |
| Voltage DC Spark Over Nom | - | 350V | 350V |
| Impulse Discharge Current 8 20μs | - | 20000A (20kA) | 20000A (20kA) |
| Fail Short | - | No | No |
| Failsafe Protection Y N | - | Failsafe Not Protected | Failsafe Not Protected |