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| PartNumber | BT155W-1200T-AQ | BT155K-1200TQ | BT155W-1200T |
| Description | SCRs Planar Passivated SCR | SCRs BT155K-1200T/TO3P/STANDARD MAR | |
| Manufacturer | WeEn Semiconductors | WeEn Semiconductors | - |
| Product Category | SCRs | SCRs | - |
| RoHS | Y | E | - |
| Rated Repetitive Off State Voltage VDRM | 1200 V | 1200 V | - |
| On State RMS Current It RMS | 79 A | 79 A | - |
| Maximum Gate Peak Inverse Voltage | 5 V | 5 V | - |
| Gate Trigger Voltage Vgt | 0.7 V | 0.7 V | - |
| Gate Trigger Current Igt | 50 mA | 50 mA | - |
| Holding Current Ih Max | 200 mA | 200 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-247-3 | TO-3P | - |
| Packaging | Tube | - | - |
| Brand | WeEn Semiconductors | WeEn Semiconductors | - |
| Non Repetitive On State Current | 650 A | 650 A | - |
| Product Type | SCRs | SCRs | - |
| Factory Pack Quantity | 240 | 450 | - |
| Subcategory | Thyristors | Thyristors | - |
| Part # Aliases | 934072000000 | 934069865127 | - |
| Off State Leakage Current @ VDRM IDRM | - | - | - |
| Vf Forward Voltage | - | - | - |
| Unit Weight | - | 0.194007 oz | - |