2SA2018 / 2SA2030 / 2SA2119K are three low frequency transistors with large current and low saturation voltage. They are suitable for switching and muting applications.
This datasheet describes three low‑frequency NPN transistors (2SA2018, 2SA2030, 2SA2119K) intended for switching and muting applications. It lists their key electrical parameters, absolute maximum ratings, and typical performance curves.
The document includes specifications such as hFE ranging from 270 to 680, a transition frequency up to 260 MHz, collector‑emitter saturation voltage of 100‑250 mV, and various package options (SMT3, EMT3, VMT3). Dimensional data and recommended application circuits are also provided. This manual is written in Chinese.
| hFE (DC current gain) | 270 – 680 |
|---|---|
| Transition frequency (fT) | up to 260 MHz |
| Collector‑emitter saturation voltage (VCE(sat)) | 100 – 250 mV |
| Collector‑emitter breakdown voltage (VCEO) | -12 V |
They are used for switching and muting circuits.
The DC current gain (hFE) ranges from 270 to 680.
The transition frequency (fT) can reach up to 260 MHz.