2SD2143 is a medium power transistor produced by Rohm. The transistor has a collector-emitter voltage of 60±10V and a collector current of 2A, making it suitable for driving motors and relays. The transistor also has a built-in zener diode to protect it from voltage surges, a built-in damper diode to suppress surge currents, and a built-in resistor to stabilize the transistor's output characteristics.
The ROHM 28D2143 is a medium‑power transistor designed for motor and relay drive applications. It features built‑in protection elements such as a zener diode, resistor, and damper diode, and includes a built‑in zener diode between collector and base.
The document provides absolute maximum ratings, electrical characteristics, packaging specifications, and typical application curves. It also contains legal notices and contact information for further product details.
| Collector‑Emitter Voltage (VCEO) | 60+10 V |
|---|---|
| Collector Power Dissipation (P0) | 40 W (Tc=25°C) |
| Junction Temperature (Tj) | 150 °C |
| Storage Temperature (Tsg) | -55 to +150 °C |
| Transition Frequency (fT) | 80 MHz |
| Output Capacitance (Cob) | 25 pF |
The maximum collector‑emitter voltage is 60+10 V.
It can dissipate up to 40 W at a case temperature of 25 °C.
The transition frequency is specified as 80 MHz.