VISHAY TSDF1250 TSDF1250R TSDF1250W TSDF1250RW Data Sheet
Summary
The TSDF1250 is a specialized Silicon NPN Planar RF Transistor engineered for high-frequency, low noise demanding circuits. It is essential for applications such as power amplifiers, frequency mixers, and oscillators used in analog/digital TV systems and satellite tuners up to microwave frequencies. This comprehensive manual provides critical electrical datasheet information, including transition frequency ($f_T$), minimal noise figure (NF), power gain parameters, absolute maximum ratings, and thermal performance data required by RF engineers.
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查询TSDF1250供应商
TSDF1250/TSDF1250R/TSDF1250W/TSDF1250RW
Vishay Telefunken
Silicon NPN Planar RF Transistor
Electrostatic sensitive device. Observe precautions for handling.
Applications
For low noise applicatins such as power amplifiers, frequencies.
mixers and oscillators in analogue and digital TV–sys- tems (e.g. satellite tuners) up to microwave
Features Low power applications High transition frequency f T = 12 GHz Very low noise figure Excellent large signal behaviour
TSDF1250 Marking: F50 TSDF1250R Marking: 50F Plastic case (SOT 143) Plastic case (SOT 143R) 1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter 1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter
TSDF1250W Marking: WF5 TSDF1250RW Marking: W5F Plastic case (SOT 343) Plastic case (SOT 343R) 1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter 1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter
Absolute Maximum Ratings Tamb = 25C, unless otherwise specified
Parameter Test Conditions Symbol Value Unit
Collector-base voltage VCBO Collector-emitter voltage VCEO Emitter-base voltage VEBO Collector current IC m A Total power dissipation Tamb ≤ 60 C Ptot m W Junction temperature Tj Storage temperature range Tstg –65 to +150
Document Number 85067 www.vishay.de • Fax Back +1-408-970-5600 Rev. 5, 08-Jul-99 1 (6)
Page Summary Contents For VISHAY TSDF1250 TSDF1250R TSDF1250W TSDF1250RW Data Sheet
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 6 |
| File Size | 152.75 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What are the recommended applications for this RF transistor?
It is suited for low noise applications such as power amplifiers, frequencies mixers and oscillators in analog and digital TV–systems (e.g., satellite tuners).
What is the maximum total collector power dissipation?
The maximum specified value for 'tot' is 200 mW at a junction temperature of T ≤ 60°C.
How is the component packaged?
Available packages include Plastic case (SOT-143) and Plastic case (SOT-343).
What are the key electrical characteristics to be aware of?
Key parameters include high transition frequency (f = 12 GHz), very low noise figure, and excellent large signal behavior.