BFQ136 is a NPN 4 GHz wideband transistor produced by Philips company. Its features include extremely high output voltage capabilities. It is primarily intended for final stages in UHF amplifiers.
The BFQ136 is an NPN 4 GHz wideband transistor offered by Philips Semiconductors, intended primarily for final‑stage UHF amplifier applications. The device features a four‑lead SOT122A ceramic package with a beryllium‑oxide substrate for high reliability.
Key electrical parameters include a collector‑emitter voltage of 18 V, a maximum collector current of 600 mA, and a total power dissipation of 9 W at 100 °C. The transistor provides a transition frequency up to 4 GHz and a maximum unilateral power gain of 12.5 dB. Safety warnings note the presence of beryllium oxide and advise proper handling and disposal.