The 2SA1048 is a silicon PNP epitaxial transistor designed for low‑noise audio frequency amplifier applications. It offers high linearity and can operate with collector‑base voltages up to 50 V.
Key specifications include a collector current of 150 mA, a typical noise figure of 0.2 dB, and a transition frequency of about 80 MHz. The device is supplied in a small package weighing 0.13 g and is rated for storage temperatures from –55 °C to 125 °C.
| Collector‑Base Voltage (VcBO) | -50 V |
|---|---|
| Collector‑Emitter Voltage (VCEO) | -50 V |
| Emitter‑Base Voltage (VEB0) | -5 V |
| Collector Current (Ic) | 150 mA |
| Base Current (Ib) | 50 mA |
| Power Dissipation (Pc) | 200 mW |
| Junction Temperature (Tj) | 125 °C |
| Storage Temperature Range | -55 °C to 125 °C |
| Noise Figure (NF) | 0.2 dB typ., 3 dB max. |
| Transition Frequency (ft) | 80 MHz |
The maximum collector current is 150 mA.
The typical noise figure is 0.2 dB (max 3 dB).
The device can be stored between –55 °C and 125 °C.