2SC4868 is a NPN type transistor from SANYO. It features low noise, high gain and high cutoff frequency. It can be used for VHF to UHF band wide-band low-noise amplifier applications.
This handbook describes the 2SC4868 NPN epitaxial planar silicon transistor designed for VHF‑to‑UHF wide‑band low‑noise amplification. It includes ordering information, key features, absolute maximum ratings, and detailed electrical characteristics.
The document lists typical performance figures such as a 1.2 dB noise figure at 1 GHz, 13 dB gain at 1 GHz, and a cutoff frequency of 9 GHz. S‑parameter measurements for common‑emitter configurations are provided over a frequency range of 200 MHz to 2 GHz, along with safety and export‑control notices.
| Noise Figure (NF) typ @ 1 GHz | 1.2 dB |
|---|---|
| Gain (|S21e|) typ @ 1 GHz | 13 dB |
| Cutoff Frequency (fT) typ | 9.0 GHz |
| Collector‑to‑Base Voltage (Vcbo) max | 16 V |
| Collector‑to‑Emitter Voltage (Vceo) max | 8 V |
| Collector Current (Ic) max | 50 mA |
| DC Current Gain (hFE) typical | 60‑270 |
The maximum collector current is 50 mA.
The typical noise figure is 1.2 dB at 1 GHz.
The device can tolerate up to 16 V collector‑to‑base, 8 V collector‑to‑emitter, and 1.5 V emitter‑to‑base.