The MMBT3904-7-F is an NPN bipolar junction transistor (BJT) manufactured by Diodes Incorporated. Here is a detailed introduction to the MMBT3904-7-F transistor:
Overview:
- Manufacturer: Diodes Incorporated
- Part Number: MMBT3904-7-F
- Type: NPN Bipolar Junction Transistor (BJT)
- Package: SOT-23-3 (Small Outline Transistor Package with 3 Leads)
Key Specifications:
- Type: NPN transistor (Negative-Positive-Negative configuration)
- Voltage Rating (V<sub>ce</sub>): 40V (Collector-Emitter Voltage)
- Current Rating (I<sub>c</sub>): 0.2A (Continuous Collector Current)
- Package Type: SOT-23-3 package with three leads
- H<sub>fe</sub> (Forward Current Gain): Typically ranging from 100 to 300
- Transition Frequency (f<sub>T</sub>): Typically around 250MHz
- Power Dissipation (P<sub>d</sub>): Up to 350mW
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DataSheet
Features and Applications:
- NPN BJT: Consists of a layer of p-doped semiconductor between two n-doped layers.
- Voltage and Current Ratings: Rated for a maximum collector-emitter voltage of 40V and a continuous collector current of 200mA.
- Package Type: SOT-23-3 is a surface-mount package that enables easy mounting on PCBs.
- High Frequency Operation: With a transition frequency of around 250MHz for high-frequency applications.
- Power Dissipation: Capable of dissipating up to 350mW of power.
- Switching Speed: Offers fast switching times for efficient performance in switching applications.
Package Information:
- SOT-23-3 Package: Small and surface-mountable, suitable for compact PCB layouts and automated assembly processes.
Applications:
- Amplification: Commonly used in amplifier circuits due to its high gain characteristics.
- Switching Applications: Suitable for various switching applications in electronics.
- Voltage Amplification: Utilized to amplify voltage signals in different electronic circuits.
- Oscillator Circuits: Can be used in oscillator circuits for waveform generation.
- Signal Processing: Helpful in signal processing applications within electronic systems.
Advantages:
- High Gain: Provides considerable forward current gain for amplification purposes.
- Fast Switching: Enables quick switching transitions for efficient circuit operations.
- Versatile Use: Suitable for a broad range of applications in electronics.
- Compact Form Factor: The SOT-23-3 package is space-efficient and compatible with SMT manufacturing processes.
The MMBT3904-7-F NPN transistor from Diodes Incorporated is a versatile component suitable for various amplification and switching applications in electronic circuits. With high gain, fast switching times, and a compact SOT-23-3 package, it is a valuable component for space-constrained designs requiring efficient amplification and switching capabilities.
