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LMBT3904LT1G
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概述
Description
Its small size and efficiency make it ideal for surface-mount technology (SMT), often used in consumer electronics, communication devices, and automotive applications. The device is noted for its fast switching speed and reliability, contributing to its popularity in numerous electronic applications. As with any electronic component, ensuring proper handling and adherence to specifications is crucial for optimal performance and longevity.
Equivalent
1. 2N3904
2. BC547
3. MMBT3904
These transistors generally have similar characteristics, such as current and voltage ratings, but always check the datasheet for specific parameters to ensure compatibility with your application.
Features
1. Current Rating: It can handle a maximum collector current (Ic) of 200 mA.
2. Voltage Rating: The maximum collector-emitter voltage (Vce) is 40 V.
3. Power Dissipation: It has a power dissipation rating of 225 mW, allowing it to handle moderate power applications.
4. High Gain: The transistor typically has a DC current gain (hFE) range between 100 and 300, enabling effective amplification.
5. Transition Frequency: It offers a transition frequency (fT) of approximately 300 MHz, suitable for high-speed switching applications.
6. Temperature Range: It operates efficiently within a temperature range of -55°C to 150°C, allowing for usage in diverse environments.
These features make the LMBT3904LT1G ideal for switching and amplification purposes in various electronic circuits.
Pinout
1. Pin 1 (Emitter): The emitter is the terminal through which the charge carriers (electrons for NPN) leave the transistor. It is usually connected to ground in common-emitter configurations.
2. Pin 2 (Base): The base is the terminal that controls the transistor's operation. A small current or voltage applied to the base allows for a larger current to flow between the collector and emitter.
3. Pin 3 (Collector): The collector is the terminal through which the charge carriers enter the transistor. It is typically connected to the load or power supply in most configurations.
The LMBT3904LT1G is widely used in electronic circuits for switching applications and amplification due to its ability to handle moderate current levels and its ease of integration into compact designs.
Manufacturer
Application
1. Amplification: Used in small-signal amplifiers to boost audio or radio frequency signals.
2. Switching: Employed in switching applications, such as driving small loads like LEDs or relays.
3. Signal Processing: Utilized in signal processing circuits for its ability to handle moderate speed switching.
4. Oscillators and Timers: Integral part of oscillator circuits and timing applications.
5. Voltage Regulation: Used in feedback loops for voltage regulation circuits.
These applications benefit from the transistor's fast switching speed, low cost, and general availability.