DTD143EK is a NPN digital transistor with built-in bias resistors. It does not require external input resistors and can be configured as an inverter circuit. It has the advantages of small size, low power consumption, and excellent performance.
The DTD143EK is a 500 mA, 50 V digital transistor with integrated bias resistors, intended for inverter, interface, and driver applications. Built‑in thin‑film resistors allow negative biasing and reduce parasitic effects, simplifying circuit design.
Key specifications include a 50 V supply rating, -10 V to +30 V input range, 500 mA output current, 200 mW power dissipation, and a junction temperature limit of 150 °C. The device is supplied in an SMT3 (Tapini) package and features a typical DC current gain of 47 and a transition frequency of 200 MHz.
| Supply voltage (V_EO) | 50 V |
|---|---|
| Input voltage range | -10 to +30 V |
| Output current (I_C) | 500 mA |
| Power dissipation (Pp) | 200 mW |
| Junction temperature (Tj) | 150 °C |
| Storage temperature (Tstg) | -55 to +150 °C |
| Built‑in resistor value (R_is) | 4.7 kΩ |
| Transition frequency (f_T) | 200 MHz |
| Typical DC current gain (h_FE) | 47 |
| Typical input resistance (R_i) | 3.29 kΩ |
The maximum supply voltage is 50 V.
The device can handle up to 500 mA of output current.
The built‑in bias resistor is 4.7 kΩ.
The typical DC current gain is 47.