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| PartNumber | S4020LTP | S4020L | S4020LS2 |
| Description | SCRs 400V 20A | SCRs 20A 400V | |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | SCRs | SCRs | - |
| RoHS | Y | Y | - |
| Series | Sxx20x | Sxx20x | - |
| Off State Leakage Current @ VDRM IDRM | 10 uA | 10 uA | - |
| Package / Case | TO-220-2 | TO-220-2 | - |
| Packaging | Tube | Tube | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | SCRs | SCRs | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Thyristors | Thyristors | - |
| Tradename | Teccor | Teccor | - |
| Breakover Current IBO Max | - | 300 A | - |
| Rated Repetitive Off State Voltage VDRM | - | 400 V | - |
| On State RMS Current It RMS | - | 20 A | - |
| Vf Forward Voltage | - | 1.6 V | - |
| Gate Trigger Voltage Vgt | - | 1.5 V | - |
| Gate Trigger Current Igt | - | 30 mA | - |
| Holding Current Ih Max | - | 40 mA | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Mounting Style | - | Through Hole | - |
| Application | - | RoHs Compliant | - |
| Current Rating | - | 20 A | - |
| Features | - | Electrically-isolated packages, Glass-passivated junctions | - |
| Height | - | 9.4 mm | - |
| Length | - | 10.67 mm | - |
| Type | - | SCRs | - |
| Width | - | 4.78 mm | - |
| Compliance | - | UL | - |
| Non Repetitive On State Current | - | 300 A | - |
| Part # Aliases | - | S4020LTP | - |
| Unit Weight | - | 0.081130 oz | - |