Siemens BFQ 75 Data Handbook
Summary
The BFQ 75 is a high-performance NPN Silicon RF transistor engineered for broadband amplifier circuits operating up to 2 GHz. This manual provides comprehensive technical documentation, including detailed maximum ratings, electrical characteristics (such as cutoff frequency $f_T$ and power gain), thermal limits, and crucial ESD handling precautions. It is the essential component reference for electronics engineers and circuit designers building high-frequency or specialized radio frequency equipment.
Page 1 Text Content
查询BFQ75供应商
PNP Silicon RF Transistor BFQ 75
For broadband amplifiers up to 2 GHz at collector currents from 5 m A to 30 m A. Complementary type: BFQ 72 (NPN).
ESD: Electrostatic discharge sensitive device, observe handling precautions!
Type Marking Ordering Code Package1)Pin Configuration (tape and reel)
BFQ 75 Q62702-F80375 Cerec-X
Maximum Ratings
Parameter Symbol Values Unit Collector-emitter voltage VCE0 Collector-emitter voltage, VBE = 0 VCES Collector-base voltage VCB0 Emitter-base voltage VEB0
Collector current IC m A
Total power dissipation, TS ˚C3) Ptot m W
Junction temperature Tj ˚C
Ambient temperature range TA – 65 … + 175
Storage temperature range Tstg – 65 … + 175
Thermal Resistance
Junction - ambient2) Rth JA ≤ 260 K/W Junction - soldering point3) Rth JS ≤ 180
1) For detailed dimensions see chapter Package Outlines. 2) Package mounted on alumina 15 mm 16.7 mm 0.7 mm. 3) TS is measured on the collector lead at the soldering point to the pcb.
Page Summary Contents For Siemens BFQ 75 Data Handbook
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 3 |
| File Size | 34.70 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
What is the expected operating frequency range for this transistor?
It is designed for broadband amplifiers up to 2 GHz.
How sensitive is this component to static electricity?
Yes, it is an Electrostatic discharge (ESD) sensitive device, so handling precautions must be observed.
What are the maximum permissible continuous collector current ratings?
The maximum rated collector current ($I_C$) is 50 mA.
What key electrical characteristic measures its performance around 800 MHz?
Its power gain ($G_{pe}$) can reach a typical value of -14 dB at $I_C = 30 ext{ mA}$ and $V_{CE} = 8 ext{ V}$.