| Part Number | BT149D,126 | BT149B,126 |
|---|---|---|
| Manufacturer | WeEn Semiconductors | NXP USA Inc. |
| Category | Thyristors - SCRs | Thyristors - SCRs |
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| Product Status | Active | Obsolete |
| Voltage - Off State | 400 V | 200 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 µA | 200 µA |
| Voltage - On State (Vtm) (Max) | 1.7 V | 1.7 V |
| Current - On State (It (AV)) (Max) | 500 mA | 500 mA |
| Current - On State (It (RMS)) (Max) | 800 mA | 800 mA |
| Current - Hold (Ih) (Max) | 5 mA | 5 mA |
| Current - Off State (Max) | 100 µA | 100 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 8A, 9A | 8A, 9A |
| SCR Type | Sensitive Gate | Sensitive Gate |
| Operating Temperature | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 | TO-92-3 |