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| PartNumber | BT137X-800,127 | BT137X-800/L02,127 | BT137X-800 |
| Description | Triacs RAIL TRIAC | Triacs BT137X-800/L02/TO-220F/STANDAR | Triacs RAIL TRIAC |
| Manufacturer | WeEn Semiconductors | WeEn Semiconductors | - |
| Product Category | Triacs | Triacs | - |
| RoHS | Y | - | - |
| On State RMS Current It RMS | 8 A | 8 A | - |
| Non Repetitive On State Current | 71 A | 71 A | - |
| Rated Repetitive Off State Voltage VDRM | 800 V | 800 V | - |
| Off State Leakage Current @ VDRM IDRM | 0.1 mA | 0.1 mA | - |
| On State Voltage | 1.3 V | 1.3 V | - |
| Holding Current Ih Max | 20 mA | 20 mA | - |
| Gate Trigger Voltage Vgt | 0.7 V | 0.7 V | - |
| Gate Trigger Current Igt | 70 mA | 30 mA | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-220F-3 | TO-220F-3 | - |
| Brand | WeEn Semiconductors | WeEn Semiconductors | - |
| Product Type | Triacs | Triacs | - |
| Factory Pack Quantity | 1000 | 600 | - |
| Subcategory | Thyristors | Thyristors | - |
| Part # Aliases | 934037800127 BT137X-800 | 934066749127 | - |
| Unit Weight | 0.081130 oz | 0.068784 oz | - |