BC517 Transistor

Product Category

The BC517 transistor belongs to the category of bipolar junction transistors (BJTs).

Basic Information Overview

• Use: The BC517 transistor is commonly used for amplification and switching purposes in electronic circuits.
• Characteristics: It is known for its high current gain and low noise performance, making it suitable for audio amplifier applications.
• Package: The BC517 is typically available in a TO-92 package, which is a small, through-hole package.
• Essence: This transistor is essential for signal amplification and switching in various electronic devices.
• Packaging/Quantity: It is usually sold in reels or tubes containing multiple units.

Specifications

• Maximum Collector-Emitter Voltage: 30V
• Maximum Collector Current: 100mA
• DC Current Gain (hFE): 110 - 800
• Transition Frequency (fT): 150MHz

Detailed Pin Configuration

The BC517 transistor has three pins: the emitter, base, and collector. In a TO-92 package, the pinout configuration is as follows: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

The BC517 transistor offers the following functional features: - High current gain for amplification applications - Low noise performance for improved signal quality - Fast switching speed for efficient circuit operation

Advantages and Disadvantages

Advantages

• High current gain allows for effective signal amplification
• Low noise performance ensures clear and accurate signal reproduction
• Small form factor and ease of use in electronic circuits

Disadvantages

• Limited maximum collector current compared to other transistors
• Moderate transition frequency may limit high-frequency applications

Working Principles

The BC517 transistor operates based on the principles of amplification and control of current flow. When a small current is applied to the base terminal, it controls a larger current flow between the collector and emitter terminals, allowing for signal amplification or switching.

Detailed Application Field Plans

The BC517 transistor finds extensive use in the following application fields: - Audio amplifiers and preamplifiers - Signal processing circuits - Switching circuits in electronic devices - Oscillator circuits for generating signals

Detailed and Complete Alternative Models

Some alternative models to the BC517 transistor include: - BC547: A general-purpose NPN transistor with similar characteristics - 2N3904: Another NPN transistor commonly used for amplification and switching - BC556: A PNP transistor suitable for complementary applications

In conclusion, the BC517 transistor is a versatile component widely used for amplification and switching in electronic circuits, offering high current gain and low noise performance. Its compact size and functional features make it an essential part of various electronic devices and systems.

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