This document describes the features and characteristics of the BFP620 Apr-21-2004 1 NPN Silicon Germanium RF Transistor. It is suitable for a wide range of wireless applications, especially CDMA and WLAN applications. The noise figure is outstanding with 0.7 dB at 1.8 GHz and 1.3 dB at 6 GHz. The maximum stable gain is 21.5 dB at 1.8 GHz and 11 dB at 6 GHz. The transistor is equipped with gold metallization for extra high reliability.
This handbook describes the BFP620 NPN Silicon‑Germanium RF transistor, highlighting its high gain, low noise performance and suitability for CDMA and WLAN applications. It includes maximum ratings, DC and AC electrical characteristics, noise figure data, and thermal resistance information.
The document also supplies a complete Gummel‑Poon SPICE model, package details (SOT‑343), and power‑dissipation curves, enabling designers to simulate the device accurately in RF circuits.
| Base current (IB) | 3 mA |
|---|---|
| Noise figure at 1.8 GHz | 0.7 dB |
| Noise figure at 6 GHz | 1.3 dB |
| Maximum stable gain (Gms) at 1.8 GHz | 21.5 dB |
The noise figure at 1.8 GHz is 0.7 dB.