The 2SD2653K is a low-frequency power amplifier tube produced by ROHM, with a maximum collector current of 2A and a collector-emitter saturation voltage of only 180mV.
The 2SD2653K is a low‑frequency amplifier transistor designed for driver and amplifier applications. It features a large collector current capability and is offered in standard surface‑mount packages such as SMT3, SC‑59, and SOT‑346.
The document lists absolute maximum ratings, electrical characteristics, and typical performance curves, including voltage limits, current ratings, power dissipation, and transition frequency. Packaging specifications and ordering information are also provided.
| Collector‑base voltage (Vcbo) | 15 V |
|---|---|
| Collector‑emitter voltage (Vceo) | 12 V |
| Emitter‑base voltage (Vebo) | 6 V |
| Collector current (Ic) | 2 A |
| Power dissipation (Pd) | 200 mW |
| Junction temperature (Tj) | 150 °C |
| Storage temperature range | -55 °C to +150 °C |
| Transition frequency (fT) | 360 MHz |
| DC current gain (hFE) | 270‑680 |
The collector current rating is 2 A.
The device can dissipate up to 200 mW of power.
The transition frequency is specified as 360 MHz.