BC857BS,135
Product Overview
Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN transistor, high current gain, low voltage drop
Package: SOT-23
Essence: Small size, high performance
Packaging/Quantity: Tape and reel, 3000 units per reel
Specifications
- Collector-Base Voltage (VCBO): 45V
- Collector-Emitter Voltage (VCEO): 45V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 100mA
- Power Dissipation (Ptot): 250mW
- Transition Frequency (fT): 100MHz
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
- Emitter (E)
- Base (B)
- Collector (C)
Functional Features
- High current gain
- Low saturation voltage
- Fast switching speed
Advantages and Disadvantages
Advantages: - Small size - High performance - Wide operating temperature range
Disadvantages: - Limited collector current compared to other transistors - Relatively low breakdown voltage
Working Principles
The BC857BS,135 is a small signal NPN transistor that operates by amplifying and controlling the flow of current between its collector and emitter terminals. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter, allowing for signal amplification and switching.
Detailed Application Field Plans
The BC857BS,135 is commonly used in audio amplifiers, signal processing circuits, and low-power switching applications. Its small size and high performance make it suitable for compact electronic devices and portable equipment.
Detailed and Complete Alternative Models
- BC847BS,135
- BC856BS,135
- 2N3904
- 2N2222A
- 2SC945
This comprehensive entry provides detailed information about the BC857BS,135 transistor, including its product overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
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What is the BC857BS,135 transistor used for?
- The BC857BS,135 is a general-purpose PNP transistor commonly used in amplification and switching applications.
What are the key specifications of the BC857BS,135 transistor?
- The BC857BS,135 has a maximum collector current of 100mA, a maximum collector-base voltage of 45V, and a maximum power dissipation of 250mW.
Can the BC857BS,135 be used for audio amplification?
- Yes, the BC857BS,135 can be used for small-signal audio amplification due to its low noise and high gain characteristics.
What are some typical applications of the BC857BS,135 transistor?
- Typical applications include signal amplification, switching circuits, and voltage regulation in various electronic devices.
What is the pin configuration of the BC857BS,135 transistor?
- The BC857BS,135 transistor typically has three pins: emitter, base, and collector.
What is the maximum operating temperature of the BC857BS,135 transistor?
- The BC857BS,135 transistor has a maximum operating temperature of 150°C.
Is the BC857BS,135 suitable for low-power applications?
- Yes, the BC857BS,135 is suitable for low-power applications due to its low collector current and power dissipation.
Can the BC857BS,135 be used in high-frequency circuits?
- The BC857BS,135 can be used in moderate frequency applications, but it may not be suitable for very high-frequency circuits due to its transition frequency.
What are the recommended storage conditions for the BC857BS,135 transistor?
- It is recommended to store the BC857BS,135 in a cool, dry place with minimal exposure to moisture and extreme temperatures.
Are there any common failure modes or issues associated with the BC857BS,135 transistor?
- Common issues include thermal runaway at high currents, voltage breakdown, and ESD damage if proper handling precautions are not followed.