BC557C,112
Product Overview
Category
The BC557C,112 belongs to the category of PNP transistors.
Use
It is commonly used for amplification and switching purposes in electronic circuits.
Characteristics
- Low power dissipation
- High current gain
- Low noise
- High voltage capability
Package
The BC557C,112 is typically available in a TO-92 package.
Essence
This transistor is essential for signal amplification and switching in various electronic applications.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Collector-Emitter Voltage (VCEO): 45V
- Collector-Base Voltage (VCBO): 50V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 100mA
- Power Dissipation (PD): 625mW
- DC Current Gain (hFE): 110-800
- Transition Frequency (fT): 150MHz
Detailed Pin Configuration
The BC557C,112 transistor has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- Amplification of weak signals
- Switching high-power loads
- Compatibility with low-voltage control circuits
Advantages
- Low power consumption
- High current gain
- Suitable for low-frequency applications
Disadvantages
- Limited frequency response
- Relatively low power handling capacity
Working Principles
The BC557C,112 operates as a PNP transistor, where a small current at the base terminal controls a larger current flow between the collector and emitter terminals. This allows it to amplify or switch electronic signals effectively.
Detailed Application Field Plans
The BC557C,112 is widely used in: - Audio amplifiers - Signal processing circuits - Voltage regulators - Switching circuits
Detailed and Complete Alternative Models
Some alternative models to the BC557C,112 include: - 2N3906 - BC558 - 2SA1943
In conclusion, the BC557C,112 PNP transistor is a versatile component that finds extensive use in various electronic circuits due to its amplification and switching capabilities, making it an indispensable part of modern electronics.
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技術ソリューションにおける BC557C,112 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the BC557C,112 transistor used for?
- The BC557C,112 is a general-purpose PNP bipolar junction transistor commonly used for amplification and switching applications.
What are the typical operating conditions for the BC557C,112 transistor?
- The BC557C,112 transistor typically operates at a maximum collector current of 100mA and a maximum collector-emitter voltage of 45V.
How do I identify the pinout of the BC557C,112 transistor?
- The pinout of the BC557C,112 transistor is typically identified as the emitter (E), base (B), and collector (C) pins.
Can the BC557C,112 be used for audio amplification?
- Yes, the BC557C,112 transistor can be used in low-power audio amplifier circuits due to its low noise and high gain characteristics.
What are some common circuit configurations using the BC557C,112 transistor?
- Common circuit configurations include common-emitter amplifiers, switch circuits, and voltage regulators.
What are the key parameters to consider when designing with the BC557C,112 transistor?
- Key parameters include the DC current gain (hFE), maximum power dissipation, and cutoff frequency.
Can the BC557C,112 be used in high-frequency applications?
- The BC557C,112 is not typically recommended for high-frequency applications due to its limited cutoff frequency.
Are there any common alternatives to the BC557C,112 transistor?
- Common alternatives include the BC558, 2N3906, and 2N4403 transistors, which have similar characteristics.
What are the typical thermal considerations when using the BC557C,112 transistor?
- It's important to consider proper heat sinking and thermal management, especially when operating the transistor near its maximum power dissipation.
Where can I find detailed datasheets and application notes for the BC557C,112 transistor?
- Datasheets and application notes for the BC557C,112 transistor can be found on semiconductor manufacturer websites or electronic component distributor sites.