BC817-25QAZ
Product Overview
Category
The BC817-25QAZ belongs to the category of small signal transistors.
Use
It is commonly used for amplification and switching purposes in electronic circuits.
Characteristics
- Low power dissipation
- High current gain
- Small package size
Package
The BC817-25QAZ is typically available in a SOT-23 package.
Essence
This transistor is essential for amplifying weak signals and controlling larger currents in various electronic applications.
Packaging/Quantity
It is usually supplied in reels with quantities varying based on manufacturer specifications.
Specifications
- Collector-Base Voltage (VCBO): 45V
- Collector-Emitter Voltage (VCEO): 45V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 500mA
- Power Dissipation (Ptot): 330mW
- Transition Frequency (ft): 100MHz
Detailed Pin Configuration
The BC817-25QAZ has three pins: collector, base, and emitter. The pinout configuration is as follows: - Collector (C) - Pin 1 - Base (B) - Pin 2 - Emitter (E) - Pin 3
Functional Features
- High current gain
- Low saturation voltage
- Fast switching speed
Advantages
- Small package size
- Suitable for low-power applications
- Wide range of operating temperatures
Disadvantages
- Limited maximum current and voltage ratings
- Sensitive to overvoltage conditions
Working Principles
The BC817-25QAZ operates based on the principles of bipolar junction transistors, where the current flow between the collector and emitter is controlled by the base current.
Detailed Application Field Plans
This transistor is widely used in audio amplifiers, signal processing circuits, and low-power switching applications. It is also utilized in sensor interfaces and battery management systems.
Detailed and Complete Alternative Models
Some alternative models to the BC817-25QAZ include the BC846, BC847, and BC848 series transistors, which offer similar characteristics and performance.
In conclusion, the BC817-25QAZ is a versatile small signal transistor with a wide range of applications in electronic circuits, offering high current gain and low power dissipation. Its compact package size makes it suitable for space-constrained designs, although designers should be mindful of its voltage and current limitations when selecting this component for their applications.
[Word count: 366]
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BC817-25QAZ i tekniska lösningar
What is the maximum collector current of BC817-25QAZ?
- The maximum collector current of BC817-25QAZ is 500mA.
What is the maximum power dissipation of BC817-25QAZ?
- The maximum power dissipation of BC817-25QAZ is 625mW.
What is the voltage rating of BC817-25QAZ?
- The voltage rating of BC817-25QAZ is 45V.
What are the typical applications of BC817-25QAZ?
- BC817-25QAZ is commonly used in audio amplification, switching circuits, and signal processing applications.
What is the gain bandwidth product of BC817-25QAZ?
- The gain bandwidth product of BC817-25QAZ is typically around 100MHz.
Is BC817-25QAZ suitable for high-frequency applications?
- Yes, BC817-25QAZ is suitable for moderate to high-frequency applications due to its gain bandwidth product and frequency response characteristics.
What are the temperature specifications for BC817-25QAZ?
- BC817-25QAZ has a maximum operating temperature of 150°C.
Can BC817-25QAZ be used in low-power applications?
- Yes, BC817-25QAZ is suitable for low-power applications due to its low collector current and power dissipation ratings.
Does BC817-25QAZ require external biasing components?
- BC817-25QAZ may require external biasing components depending on the specific circuit configuration and application requirements.
Are there any recommended alternative transistors to BC817-25QAZ?
- Some recommended alternative transistors to BC817-25QAZ include BC846, BC847, and BC848 series transistors, which offer similar characteristics and performance.