Features:
- Planar passivated for voltage ruggedness and reliability.
- Sensitive gate.
- Direct triggering from low power drivers and logic ICs.
Pin Configuration:
Specifications:
| Product Attribute | Attribute Value |
| Datasheet | BT149D |
| Product Category | SCRs |
| Series | BT149 |
| Model | BT149D |
| Package/Case | TO-92 |
| Mounting Type | Through Hole |
| Number of terminals | 3 |
| Rated Repetitive Off-State Voltage VDRM | 400 V |
| Off-State Leakage Current @ VDRM IDRM | 50 µA |
| On-State RMS Current – It RMS | 0.8 A |
| Maximum Gate Peak Inverse Voltage | 5 V |
| Gate Trigger Voltage – Vgt | 500 mV |
| Gate Trigger Current – Igt | 50 µA |
| Current Rating | 0.5 A |
| Holding Current Ih Max | 5 mA |
| Non Repetitive On-State Current | 9 A |
| Operating Temperature | + 125 C |
Applications:
- General purpose switching and phase control.
- Low power circuits.
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