Siemens BFQ 29P Data Sheet
Summary
The BFQ29P is a high-performance NPN Silicon RF Transistor designed for building low-noise IF and broadband amplifiers up to 1 GHz. This manual provides comprehensive technical specifications, detailing its performance characteristics for collector currents ranging from 1 mA to 20 mA. Engineers can utilize this resource to select the optimal operating conditions by reviewing critical data like maximum ratings, transition frequency ($f_T$), Noise Figure (NF), and detailed S-parameters across various frequencies.
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NPN Silicon RF Transistor BFQ 29P
For low-noise IF and broadband amplifiers up to GHz at collector currents from 1 m A to 20 m A. CECC-type available: CECC 50002/258.
ESD: Electrostatic discharge sensitive device, observe handling precautions!
Type Marking Ordering Code Package1)Pin Configuration
(tape and reel)
BFQ 29P Q62702-F659KC SOT-23
Maximum Ratings
Parameter Symbol Values Unit Collector-emitter voltage VCE0 Collector-base voltage VCB0 Emitter-base voltage VEB0
Collector current IC m A
Base current IB
Total power dissipation, TS ˚C3) Ptot m W
Junction temperature Tj ˚C
Ambient temperature range TA – 65 … + 150
Storage temperature range Tstg – 65 … + 150
Thermal Resistance
Junction - ambient2) Rth JA ≤ 385 K/W Junction - soldering point3) Rth JS ≤ 305
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 29P Data Sheet
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 10 |
| File Size | 233.19 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What is the maximum collector current (IC)?
The maximum continuous collector current (IC) rating listed in the datasheet is 30 mA.
Is this transistor sensitive to static electricity?
Yes, it is an ESD (Electrostatic discharge sensitive device), so observation of handling precautions is required.
What is the operating temperature range for this component?
The ambient temperature range (TA) is from -65 °C to +150 °C.
How do I measure the total power dissipation (Ptot)?
Ptot is measured on the collector lead at the soldering point on the PCB.