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| PartNumber | BT149B | BT149B/D/G | BT149B,126 |
| Description | THYRISTOR 200V 0.8A SOT54 | ||
| Manufacturer | PH | - | NXP Semiconductors |
| Product Category | SCRs - Single | - | Thyristors - DIACs, SIDACsThyristors - SCRs |
| Series | - | - | - |
| Packaging | - | - | Tape & Box (TB) |
| Package Case | - | - | TO-226-3, TO-92-3 (TO-226AA) (Formed Leads) |
| Operating Temperature | - | - | - |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | TO-92-3 |
| Current Hold Ih Max | - | - | 5mA |
| Voltage Off State | - | - | 200V |
| Voltage Gate Trigger Vgt Max | - | - | 800mV |
| Current Gate Trigger Igt Max | - | - | 200μA |
| Voltage On State Vtm Max | - | - | 1.7V |
| Current On State It AV Max | - | - | 500mA |
| Current On State It RMS Max | - | - | 800mA |
| Current Off State Max | - | - | 100μA |
| Current Non Rep# Surge 50 60Hz Itsm | - | - | 8A, 9A |
| SCR Type | - | - | Sensitive Gate |