ZUMTS17HTA vs START499ETR
| Part Number |
|
|
| Category | Transistors - Bipolar (BJT) - RF | Transistors - Bipolar (BJT) - RF |
| Manufacturer | Diodes Incorporated | STMicroelectronics |
| Description | RF TRANS NPN 15V 1.3GHZ SOT323 | RF TRANS NPN 4.5V 1.9GHZ SOT343 |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SC-70, SOT-323 | SC-82A, SOT-343 |
| Supplier Device Package | SOT-323 | SOT-343 |
| Gain | - | 15dB |
| Power - Max | 330mW | 600mW |
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 25mA | 600mA |
| Voltage - Collector Emitter Breakdown (Max) | 15V | 4.5V |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 70 @ 2mA, 1V | 160 @ 160mA, 4V |
| Frequency - Transition | 1.3GHz | 1.9GHz |
| Noise Figure (dB Typ @ f) | 4.5dB @ 500MHz | 3.3dB @ 1.8GHz |
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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. How do RF BJTs differ from standard BJTs?
RF BJTs are specifically optimized for high-frequency performance, featuring lower capacitance, faster transition times, and higher gain-bandwidth products compared to standard BJTs.
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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 some popular RF BJT models?
Commonly used RF BJTs include 2N3866, 2SC1971, BF199, and MPSH10, which are well-suited for various RF amplifier and oscillator designs.
