JAN2N2857UB

Product Overview

Category

The JAN2N2857UB belongs to the category of small-signal transistors.

Use

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

Characteristics

• Small size
• High gain
• Low noise
• High frequency capability

Package

The JAN2N2857UB is typically available in a TO-18 metal can package.

Essence

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

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Maximum Power Dissipation: 350 mW
• Collector-Base Voltage (Vcbo): 30 V
• Collector-Emitter Voltage (Vceo): 15 V
• Emitter-Base Voltage (Vebo): 5 V
• Collector Current (Ic): 50 mA
• DC Current Gain (hfe): 100 - 300
• Transition Frequency (ft): 200 MHz

Detailed Pin Configuration

The JAN2N2857UB has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

• High voltage gain
• Low noise figure
• Wide frequency response

Advantages

• Small size
• High gain
• Low noise performance

Disadvantages

• Limited power handling capability
• Relatively low collector current rating

Working Principles

The JAN2N2857UB operates based on the principles of bipolar junction transistors, utilizing the control of current flow for signal amplification and switching.

Detailed Application Field Plans

The JAN2N2857UB is widely used in: - Radio frequency (RF) amplifiers - Oscillator circuits - Low-noise preamplifiers - Signal processing circuits

Detailed and Complete Alternative Models

Some alternative models to the JAN2N2857UB include: - 2N4401 - BC547 - 2N3904 - MPS2222A

In conclusion, the JAN2N2857UB is a small-signal transistor with high gain and low noise characteristics, making it suitable for various electronic applications requiring signal amplification and switching.

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