BC857AW-7-F

Product Overview

The BC857AW-7-F belongs to the category of small signal transistors and is commonly used in electronic circuits for amplification and switching purposes. This NPN transistor exhibits characteristics such as high current gain, low noise, and low power dissipation. It is typically packaged in a SOT-323 package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Type: NPN
• Package: SOT-323
• Quantity: 3000 units per reel
• Current Gain (hFE): 110 to 800
• Power Dissipation (Pd): 250mW
• Voltage - Collector Emitter Breakdown (Max): 45V
• Frequency - Transition: 100MHz

Detailed Pin Configuration

The BC857AW-7-F features three pins: the emitter (E), base (B), and collector (C). The pin configuration is as follows: - Emitter (E) - Pin 1 - Base (B) - Pin 2 - Collector (C) - Pin 3

Functional Features

The BC857AW-7-F offers high current gain, making it suitable for low-power amplification applications. Its low noise characteristic makes it ideal for use in audio amplifiers and other sensitive circuitry. Additionally, its compact SOT-323 package allows for space-efficient PCB design.

Advantages and Disadvantages

Advantages

• High current gain
• Low noise
• Compact SOT-323 package

Disadvantages

• Limited power dissipation capability
• Moderate frequency transition

Working Principles

The BC857AW-7-F operates based on the principles of bipolar junction transistors, where the flow of current between the emitter and collector is controlled by the base current. By modulating the base current, the transistor can amplify or switch electronic signals.

Detailed Application Field Plans

The BC857AW-7-F finds extensive use in various applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to the BC857AW-7-F include: - BC847AW-7-F - BC856BW-7-F - BC858CW-7-F - 2N3904 - 2N4401

In conclusion, the BC857AW-7-F NPN transistor offers high current gain and low noise characteristics, making it suitable for a wide range of electronic applications. Its compact package and availability in tape and reel packaging further enhance its usability in modern circuit designs.

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