BF494 NPN Medium Frequency Transistor 20V 30mA TO-92 Package
$ 0.91
BF494 NPN Medium Frequency Transistor 20V 30mA TO-92 PackageThe BF494 is a high-performance NPN silicon transistor designed for medium-frequency (MF) and very high-frequency (VHF) applications. With a collector-emitter voltage of 20V and a collector current of 30mA, it provides excellent gain, low noise performance, and high-frequency response up to 300 MHz.Encased in a TO-92 plastic package, the BF494 offers low parasitic capacitance and fast switching capability, making it ideal for use in RF amplifiers, oscillators, and mixers for radio, television, and communication equipment. Its stable gain and consistent performance make it a reliable choice for signal amplification and frequency generation circuits in both consumer and industrial electronics.Click here to view related productsFeatures:Transistor Type: NPN Silicon Medium-Frequency TransistorPackage: TO-92 (compact and reliable design)Collector-Emitter Voltage (V<sub>CE</sub>): 20VCollector Current (I<sub>C</sub>): 30mAPower Dissipation (P<sub>tot</sub>): 250mW (typical)Transition Frequency (f<sub>T</sub>): Up to 300 MHzLow Noise Performance: Ideal for sensitive RF applicationsHigh Gain & Fast Response: Excellent for high-frequency signal amplificationStable Operation: Reliable under varying temperature and voltage conditionsCompact Package: Easy integration into RF and communication circuitsApplications:RF and IF Amplifiers: Used in radio receivers, tuners, and preamplifiersOscillator Circuits: Ideal for frequency generation and signal modulationMixers & Signal Processors: In communication and TV receiver stagesAntenna Booster Circuits: For radio and VHF signal enhancementSwitching & Modulation Circuits: Suitable for high-speed signal controlFM/AM Receiver Circuits: Common in RF and IF amplifier stagesEducational & Hobby Projects: Great for RF and frequency experimentationbf494-transistor-datasheet* Product image for illustration purposes only, actual product may vary.