DTD123TK is a NPN type digital transistor produced by ROHM, with a rated current of 500mA and a rated voltage of 40V. It has built-in bias resistors and does not require external resistors to realize an inverter circuit. It is suitable for switching circuits, inverter circuits, interface circuits and driver circuits.
The DTD123TK is a 500 mA, 40 V NPN digital transistor with built‑in bias resistors, offered in an SOT‑346 (SC‑59) package. The datasheet provides electrical ratings, characteristic curves, and mechanical dimensions for designers.
Key features include built‑in biasing resistors for inverter circuits, RoHS compliance, and detailed packaging information. Application examples cover switching, inverter, interface, and driver circuits.
| Collector‑base voltage (Vebo) | 50 V |
|---|---|
| Collector‑emitter voltage (Vceo) | 40 V |
| Emitter‑base voltage (Vebo) | 5 V |
| Collector current (Ic) | 500 mA |
| Power dissipation (Pd) | 200 mW |
| Junction temperature (Tj) | 150 °C |
| Storage temperature range | -55 °C to +150 °C |
| Package type | SOT‑346 (SC‑59) |
| RoHS compliance | Lead Free / RoHS Compliant |
The maximum collector current is 500 mA.
It is supplied in an SOT‑346 (SC‑59) package.
Yes, the device is Lead Free and RoHS compliant.
The built‑in bias resistors enable inverter circuits without external resistors and provide isolation for negative biasing.