2SA1887(F) - Encyclopedia Entry

Product Overview

The 2SA1887(F) is a semiconductor device belonging to the category of PNP transistors. It is commonly used in electronic circuits for amplification and switching purposes due to its specific characteristics. The transistor is available in a small package, making it suitable for compact electronic designs. Its essence lies in its ability to control the flow of current in a circuit, thereby enabling precise signal amplification and switching operations. The 2SA1887(F) is typically packaged individually and is available in various quantities to meet different production needs.

Specifications

• Type: PNP Transistor
• Maximum Collector Current (Ic): 1A
• Maximum Collector-Emitter Voltage (Vce): 50V
• Maximum Power Dissipation (Pd): 0.8W
• Transition Frequency (ft): 150MHz
• Package Type: TO-92
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2SA1887(F) transistor has three pins: 1. Emitter (E): Connected to the N-type material. 2. Base (B): Controls the flow of current between the emitter and collector. 3. Collector (C): Collects the majority charge carriers.

Functional Features

The 2SA1887(F) offers high current gain and low saturation voltage, making it suitable for use in audio amplifiers, voltage regulators, and other low-power applications. Its compact size and robust construction make it ideal for integration into small electronic devices.

Advantages and Disadvantages

Advantages

• High current gain
• Low saturation voltage
• Compact package size

Disadvantages

• Limited power dissipation capability
• Relatively lower transition frequency compared to some alternative models

Working Principles

When a small current flows into the base of the transistor, it controls a much larger current flowing between the collector and emitter. This property allows the transistor to amplify weak signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2SA1887(F) is commonly used in the following applications: - Audio amplifiers - Voltage regulators - Signal amplification circuits - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 2SA1887(F) include: - 2N3906 - BC557 - S8550 - C945

In summary, the 2SA1887(F) PNP transistor offers high current gain and low saturation voltage, making it suitable for various low-power electronic applications. Its compact size and reliable performance make it a popular choice among electronics designers.

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