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BC856W,135 Product Overview
Introduction
The BC856W,135 is a versatile and widely used transistor that belongs to the category of small signal transistors. This product is commonly utilized in various electronic applications due to its unique characteristics and functional features.
Basic Information Overview
- Category: Small Signal Transistor
- Use: Amplification and Switching Applications
- Characteristics: High Voltage, Low Current, Low Noise
- Package: SOT323 (SC-70)
- Essence: NPN Bipolar Junction Transistor
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Voltage - Collector Emitter Breakdown (Max): 45V
- Current - Collector (Ic) (Max): 100mA
- Power - Max: 250mW
- DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 2mA, 5V
- Transition Frequency: 150MHz
Detailed Pin Configuration
The BC856W,135 transistor has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- High voltage capability
- Low current requirement
- Low noise amplification
- Fast switching speed
Advantages and Disadvantages
Advantages
- Versatile application range
- Compact SOT323 package
- High transition frequency
Disadvantages
- Limited maximum current handling capacity
- Moderate power dissipation capability
Working Principles
The BC856W,135 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the voltage applied at the base terminal. It can be used for both amplification and switching purposes in electronic circuits.
Detailed Application Field Plans
The BC856W,135 finds extensive use in the following application fields: - Audio amplification circuits - Signal processing circuits - Switching circuits in electronic devices - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to BC856W,135 include: - BC846W,135 - BC847W,135 - BC857W,135
In summary, the BC856W,135 is a small signal transistor with versatile applications, high voltage capability, and compact packaging. Its functional features make it suitable for various electronic circuits, although it has limitations in current handling and power dissipation. Additionally, there are alternative models available for different specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BC856W,135 v technických řešeních
What is the BC856W,135 transistor used for?
- The BC856W,135 is a general-purpose PNP transistor commonly used in amplification and switching applications.
What are the typical operating conditions for the BC856W,135?
- The BC856W,135 transistor typically operates at a maximum collector current of 100mA and a maximum collector-emitter voltage of 65V.
Can the BC856W,135 be used for audio amplification?
- Yes, the BC856W,135 can be used for small signal audio amplification due to its low noise and high gain characteristics.
What are some common circuit configurations using the BC856W,135?
- Common circuit configurations include common emitter, common base, and emitter follower configurations for various amplification and switching purposes.
Is the BC856W,135 suitable for low-power switching applications?
- Yes, the BC856W,135 is suitable for low-power switching applications due to its moderate current and voltage ratings.
What are the thermal considerations when using the BC856W,135 in a circuit?
- It is important to consider proper heat sinking or thermal management for the BC856W,135 to ensure it operates within its temperature limits.
Are there any specific precautions to be taken when soldering the BC856W,135?
- Care should be taken to avoid excessive heat during soldering to prevent damage to the transistor. Additionally, proper ESD precautions should be followed.
Can the BC856W,135 be used in high-frequency applications?
- While the BC856W,135 has moderate frequency capabilities, it may not be suitable for very high-frequency applications due to its transition frequency limitations.
What are the typical gain characteristics of the BC856W,135?
- The BC856W,135 transistor typically has a hFE (DC current gain) ranging from 110 to 800, making it suitable for various amplification tasks.
Are there any recommended alternative transistors to the BC856W,135 for similar applications?
- Some alternative transistors with similar characteristics include BC807, 2N3906, and 2N4403, which can be considered based on specific application requirements.