DTC143T series NPN 100mA 50V Digital Transistors (Bias Resistor Built-in Transistors) with built-in bias resistors, inverter circuits can be configured without connecting external input resistors (see equivalent circuit).
The DTC143T series are NPN digital transistors with built‑in bias resistors, rated for 100 mA collector current and 50 V collector‑emitter voltage. They are offered in several SOT packages (SOT‑416, SOT‑323, SOT‑346) and are lead‑free/RoHS compliant, making them suitable for switching, inverter, interface, and driver circuits.
Key electrical specifications include a collector‑base voltage of 50 V, collector‑emitter voltage of 50 V, emitter‑base voltage of 5 V, and a maximum power dissipation of up to 200 mW depending on the variant. Mechanical data such as package dimensions and terminal layouts are detailed for each package type, and the datasheet also contains typical application circuits and a legal notice.
| Collector‑base voltage | 50 V |
|---|---|
| Collector‑emitter voltage | 50 V |
| Emitter‑base voltage | 5 V |
| Collector current | 100 mA |
| Junction temperature | 150 °C |
| Storage temperature range | -55 °C to +150 °C |
| Input resistance | 3.5 – 5.9 kΩ |
The maximum collector current is 100 mA.
Yes, they are lead‑free and RoHS compliant.