MJ21195G

Product Overview

Category: Power Transistor
Use: Amplification and switching of high-power signals
Characteristics: High voltage and current capability, low saturation voltage, rugged design
Package: TO-3P
Essence: Reliable power transistor for demanding applications
Packaging/Quantity: Typically sold individually or in small quantities

Specifications

Collector-Emitter Voltage (VCEO): 250V
Collector-Base Voltage (VCBO): 250V
Emitter-Base Voltage (VEBO): 5V
Continuous Collector Current (IC): 16A
Total Power Dissipation (PT): 250W
Transition Frequency (fT): 2MHz

Detailed Pin Configuration

The MJ21195G is a three-terminal device with the following pin configuration: 1. Base (B) 2. Collector (C) 3. Emitter (E)

Functional Features

High voltage capability allows for use in demanding applications
Low saturation voltage minimizes power loss during operation
Rugged design ensures reliability in harsh conditions

Advantages and Disadvantages

Advantages: - High voltage and current handling capability - Low saturation voltage - Rugged construction for reliability

Disadvantages: - Relatively large package size - Higher cost compared to smaller transistors

Working Principles

The MJ21195G operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch high-power signals.

Detailed Application Field Plans

The MJ21195G is commonly used in high-power audio amplifiers, power supplies, industrial control systems, and other applications requiring robust power transistors.

Detailed and Complete Alternative Models

MJ15003G
MJ15004G
MJL4281A
MJL4302A

In conclusion, the MJ21195G is a reliable power transistor with high voltage and current capabilities, making it suitable for demanding applications in various fields.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MJ21195G dalam solusi teknis

What is the MJ21195G transistor used for?
- The MJ21195G is a high-power NPN bipolar junction transistor (BJT) commonly used in audio amplifiers, power supplies, and motor control applications.
What are the key specifications of the MJ21195G?
- The MJ21195G has a maximum collector current of 16A, a maximum collector-emitter voltage of 250V, and a power dissipation of 250W.
How do I properly mount the MJ21195G transistor?
- The MJ21195G should be mounted on a suitable heat sink to ensure proper thermal management and prevent overheating.
Can the MJ21195G be used in high-frequency applications?
- No, the MJ21195G is not suitable for high-frequency applications due to its inherent limitations in switching speed.
What are the typical applications of the MJ21195G?
- The MJ21195G is commonly used in audio amplifiers, power supplies, DC-DC converters, and motor control circuits.
What precautions should be taken when using the MJ21195G in a circuit?
- Proper heatsinking, voltage and current limitations, and protection against overvoltage and overcurrent conditions should be considered when using the MJ21195G.
Is the MJ21195G suitable for automotive applications?
- Yes, the MJ21195G is often used in automotive electronic systems such as audio amplifiers and motor control modules.
What are the recommended operating conditions for the MJ21195G?
- The MJ21195G should be operated within its specified temperature, voltage, and current limits to ensure reliable performance.
Can the MJ21195G be used in parallel configurations for higher current applications?
- Yes, the MJ21195G can be used in parallel configurations to increase the overall current-handling capability of the circuit.
Where can I find detailed application notes and reference designs for the MJ21195G?
- Detailed application notes and reference designs for the MJ21195G can be found in the manufacturer's datasheet and application notes, as well as in technical literature related to power electronics and audio amplifier design.