FMMTH10TC vs FMMT5179TC
| Part Number |
|
|
| Category | Transistors - Bipolar (BJT) - RF | Transistors - Bipolar (BJT) - RF |
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Description | RF TRANS NPN 25V 650MHZ SOT23-3 | RF TRANS NPN 12V 2GHZ SOT23-3 |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 | SOT-23-3 |
| Gain | - | 15dB |
| Power - Max | 330mW | 330mW |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 25mA | 50mA |
| Voltage - Collector Emitter Breakdown (Max) | 25V | 12V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 60 @ 4mA, 10V | 25 @ 3mA, 1V |
| Frequency - Transition | 650MHz | 2GHz |
| Noise Figure (dB Typ @ f) | 3dB ~ 5dB @ 500MHz | 4.5dB @ 200MHz |
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1. What are RF BJTs used for?
RF BJTs are used in high-frequency applications, including amplifiers, oscillators, mixers, and RF front-end circuits in communication systems.
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2. What makes BJTs suitable for RF applications?
Their ability to operate efficiently at high frequencies, fast switching characteristics, and high gain in specific configurations make them suitable for RF applications.
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3. What are some common RF BJT packages?
Popular packages include TO-92, SOT-23, and SOT-89, which are designed for compact, low-inductance layouts suited for RF circuits.
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4. What are the common biasing techniques for RF BJTs?
Typical biasing methods include fixed bias, voltage-divider bias, and emitter-stabilized bias to ensure stability and proper operation at high frequencies.

