MPSA42RLRA

Product Overview

Category:

MPSA42RLRA belongs to the category of small signal transistors.

Use:

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics:

• Low power dissipation
• High current gain
• Low noise
• High voltage capability

Package:

The MPSA42RLRA comes in a TO-92 package, which is a widely used through-hole transistor package.

Essence:

This transistor is essential for low-power amplification and signal switching in electronic circuits.

Packaging/Quantity:

The MPSA42RLRA is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Collector-Base Voltage (VCBO): 300V
• Collector-Emitter Voltage (VCEO): 300V
• Emitter-Base Voltage (VEBO): 6V
• Collector Current (IC): 500mA
• Power Dissipation (PD): 625mW
• DC Current Gain (hFE): 40-250
• Transition Frequency (fT): 250MHz

Detailed Pin Configuration

The MPSA42RLRA has three pins: emitter, base, and collector. In the TO-92 package, the pinout configuration is as follows: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

• Amplification of weak electronic signals
• Switching of electronic signals
• Low power dissipation
• High current gain

Advantages and Disadvantages

Advantages

• High voltage capability
• Low noise
• Suitable for low-power applications

Disadvantages

• Relatively low transition frequency compared to other transistors
• Limited current handling capacity

Working Principles

The MPSA42RLRA operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

The MPSA42RLRA is widely used in the following applications: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to MPSA42RLRA include: - 2N4403 - BC557 - BC558 - BC327 - 2N3906

In conclusion, the MPSA42RLRA is a versatile small signal transistor with applications in various electronic circuits, offering high voltage capability and low power dissipation. While it has limitations in terms of current handling and transition frequency, it remains a popular choice for low-power amplification and signal switching needs.

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