Overview
The MMBT3904-AU_R1_000A1 is a general-purpose NPN bipolar junction transistor (BJT) manufactured by Panjit International Inc. This transistor is widely used in various electronic circuits due to its robust performance and reliability. It is packaged in the SOT23 format, making it suitable for surface-mount technology (SMT) applications. The MMBT3904 is known for its low power consumption and high current gain, making it an excellent choice for a range of electronic projects.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Polarity | NPN | - |
| Installation Method | SMD/SMT | - |
| Power Consumption | 350 | mW |
| DC Current Gain (hFE) | 40 - 300 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.20 - 0.30 | V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 0.65 - 0.85 | V |
| Collector Cut-Off Current (ICBO) | 50 nA | - |
| Emitter Base Cut-Off Current (IEBO) | 50 nA | - |
| Current Gain-Bandwidth Product (fT) | 300 MHz | - |
| Noise Figure (NF) | 5.0 dB | - |
Key Features
- General-Purpose NPN Transistor: Suitable for a wide range of applications including amplifiers, switches, and drivers.
- High Current Gain: Offers a DC current gain (hFE) ranging from 40 to 300, ensuring reliable amplification.
- Low Power Consumption: With a power consumption of 350 mW, it is energy-efficient and suitable for battery-powered devices.
- Compact SOT23 Package: Ideal for surface-mount technology (SMT) applications, saving board space.
- Low Saturation Voltages: Features low collector-emitter and base-emitter saturation voltages, reducing power losses.
- High Frequency Capability: A current gain-bandwidth product (fT) of 300 MHz makes it suitable for high-frequency applications.
Applications
- Amplifiers and Switches: Used in various amplifier circuits and as switches in digital logic circuits.
- Audio and Video Equipment: Suitable for use in audio and video amplifiers due to its low noise figure.
- Automotive Electronics: Can be used in automotive systems requiring reliable and efficient transistor performance.
- Consumer Electronics: Found in many consumer electronic devices such as radios, TVs, and other household appliances.
- Industrial Control Systems: Used in industrial control circuits for its robust performance and reliability.
Q & A
- What is the transistor polarity of the MMBT3904-AU_R1_000A1?
The transistor polarity is NPN.
- What is the installation method for this transistor?
The installation method is SMD/SMT (Surface Mount Technology).
- What is the power consumption of the MMBT3904-AU_R1_000A1?
The power consumption is 350 mW.
- What is the typical DC current gain (hFE) of this transistor?
The DC current gain (hFE) ranges from 40 to 300.
- What are the typical collector-emitter and base-emitter saturation voltages?
The collector-emitter saturation voltage (VCE(sat)) is 0.20 - 0.30 V, and the base-emitter saturation voltage (VBE(sat)) is 0.65 - 0.85 V.
- What is the current gain-bandwidth product (fT) of this transistor?
The current gain-bandwidth product (fT) is 300 MHz.
- What is the noise figure (NF) of the MMBT3904-AU_R1_000A1?
The noise figure (NF) is 5.0 dB.
- In what package is the MMBT3904-AU_R1_000A1 available?
The transistor is available in the SOT23 package.
- What are some common applications of the MMBT3904-AU_R1_000A1?
Common applications include amplifiers, switches, audio and video equipment, automotive electronics, consumer electronics, and industrial control systems.
- Why is the MMBT3904-AU_R1_000A1 preferred in many electronic circuits?
It is preferred due to its high current gain, low power consumption, and robust performance in a compact SOT23 package.
