DTB143EK is a digital transistor that can be used to configure an inverter circuit without connecting external input resistors. The input terminals of the device have built-in bias resistors that allow positive biasing of the input. The device has the advantage of almost completely eliminating parasitic effects, and only the on/off conditions need to be set for operation, making the device design easy.
The DTB143EK is a PNP epitaxial planar silicon digital transistor with built‑in thin‑film bias resistors, intended for inverter, interface, and driver applications. The built‑in resistors simplify circuit design by eliminating the need for external input resistors and reducing parasitic effects.
Key features include a supply voltage rating of -50 V, an output current capability of -500 mA, and a transition frequency of 200 MHz. The device is supplied in an SMT3 (SC‑59) package and includes detailed absolute maximum ratings and electrical characteristic curves for design reference.
| Supply voltage (Vcc) | -50 V |
|---|---|
| Input voltage (Vin) | -30 V to +10 V |
| Output current (Ic) | -500 mA |
| Power dissipation (Pd) | 200 mW |
| Junction temperature (Tj) | 150 °C |
| Transition frequency (ft) | 200 MHz |
The device can tolerate a supply voltage of up to -50 V.
It is rated for an output current of -500 mA.
They enable inverter circuit configuration without external resistors and greatly reduce parasitic effects.