JAN2N4957
Product Overview
Category:
The JAN2N4957 is a high-power NPN bipolar junction transistor (BJT) designed for use in power amplifier and switching applications.
Use:
It is commonly used in power amplifiers, motor control circuits, and high-voltage switching applications.
Characteristics:
- High power handling capability
- Low saturation voltage
- High current gain
- Fast switching speed
Package:
The JAN2N4957 is typically available in a TO-204AA package.
Essence:
The essence of the JAN2N4957 lies in its ability to efficiently handle high-power applications with low saturation voltage and fast switching speed.
Packaging/Quantity:
The JAN2N4957 is usually packaged in tubes or trays, with quantities varying based on manufacturer specifications.
Specifications
- Collector-Emitter Voltage: 80V
- Collector-Base Voltage: 100V
- Emitter-Base Voltage: 7V
- Collector Current: 15A
- Power Dissipation: 200W
- Transition Frequency: 3MHz
- Operating Temperature: -65°C to 200°C
Detailed Pin Configuration
The JAN2N4957 has a standard three-pin configuration: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
The JAN2N4957 offers the following functional features: - High power handling capacity - Low saturation voltage for efficient switching - High current gain for amplification applications
Advantages and Disadvantages
Advantages
- High power handling capability
- Low saturation voltage
- Fast switching speed
Disadvantages
- Limited operating temperature range compared to some newer models
- Relatively lower transition frequency
Working Principles
The JAN2N4957 operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals.
Detailed Application Field Plans
The JAN2N4957 finds extensive use in the following application fields: - Power amplifiers - Motor control circuits - High-voltage switching applications
Detailed and Complete Alternative Models
Some alternative models to the JAN2N4957 include: - 2N3055 - MJ15003 - TIP31C - MJE13009
In conclusion, the JAN2N4957 is a high-power NPN BJT with excellent power handling capabilities, making it suitable for various power amplifier and switching applications.
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What is the JAN2N4957 transistor used for?
- The JAN2N4957 transistor is commonly used in high-reliability applications such as military and aerospace systems due to its rugged construction and high performance.
What are the key specifications of the JAN2N4957 transistor?
- The JAN2N4957 is a PNP silicon transistor with a maximum collector-base voltage of 60V, a maximum collector current of 600mA, and a power dissipation of 625mW.
Can the JAN2N4957 be used in audio amplifier circuits?
- Yes, the JAN2N4957 can be used in audio amplifier circuits, especially in applications where reliability and ruggedness are critical.
What are some typical applications of the JAN2N4957 transistor?
- Typical applications include switching and amplification in harsh environments, motor control, and general purpose PNP transistor circuits.
Is the JAN2N4957 suitable for use in automotive electronics?
- While it may not be specifically designed for automotive applications, the ruggedness and high reliability of the JAN2N4957 make it suitable for certain automotive electronic systems.
What are the temperature limitations of the JAN2N4957 transistor?
- The JAN2N4957 has an operating temperature range of -65°C to +200°C, making it suitable for use in extreme temperature environments.
Does the JAN2N4957 require any special handling during assembly?
- Due to its high reliability nature, the JAN2N4957 may require special handling to prevent damage during assembly, such as avoiding excessive heat or mechanical stress.
Are there any common failure modes associated with the JAN2N4957?
- Common failure modes include thermal overstress and electrical overstress, so proper thermal management and voltage/current limiting should be considered in the design.
Can the JAN2N4957 be used in low-power applications?
- While the JAN2N4957 is capable of handling higher power levels, it can also be used in low-power applications with appropriate circuit design.
Where can I find detailed technical information about the JAN2N4957 transistor?
- Detailed technical information can be found in the manufacturer's datasheet, which provides comprehensive specifications, characteristics, and application notes for the JAN2N4957 transistor.