Siehe Spezifikationen für Produktdetails.
MJW21194
Product Overview
Category: Power Transistor
Use: Amplification and switching applications
Characteristics: High power, high voltage, NPN bipolar junction transistor
Package: TO-247
Essence: Reliable and efficient power amplification
Packaging/Quantity: Single unit
Specifications
- Voltage: 250V
- Current: 16A
- Power Dissipation: 250W
- Gain (hfe): 25 to 100
- Frequency: 4MHz
Detailed Pin Configuration
- Base (B)
- Emitter (E)
- Collector (C)
Functional Features
- High power gain
- Low saturation voltage
- Fast switching speed
- Excellent linearity
Advantages
- Suitable for high-power audio amplifiers
- Robust construction for reliable performance
- Wide range of operating frequencies
Disadvantages
- Higher cost compared to lower power transistors
- Requires careful handling due to its high power capabilities
Working Principles
The MJW21194 operates as a voltage-controlled switch or amplifier. When a small signal is applied to the base terminal, it controls the larger current flowing between the collector and emitter terminals, allowing for amplification or switching of high-power signals.
Detailed Application Field Plans
- Audio amplification systems
- Power supply units
- Motor control circuits
- RF amplifiers
Detailed and Complete Alternative Models
- MJW21193
- MJW21195
- MJL21194
- MJL21196
This comprehensive entry provides an in-depth understanding of the MJW21194 power transistor, covering its specifications, features, advantages, disadvantages, working principles, application fields, and alternative models, making it a valuable resource for engineers and enthusiasts alike.
Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MJW21194 in technischen Lösungen auf
What is the MJW21194 transistor used for?
- The MJW21194 is a high-power NPN bipolar junction transistor (BJT) commonly used in audio amplifiers, power supplies, and other high-power applications.
What are the key specifications of the MJW21194 transistor?
- The MJW21194 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 MJW21194 transistor?
- The MJW21194 should be mounted on a suitable heat sink to ensure proper thermal management and prevent overheating.
Can the MJW21194 be used in audio amplifier circuits?
- Yes, the MJW21194 is commonly used in audio amplifier circuits due to its high power handling capabilities and low distortion characteristics.
What are the typical applications of the MJW21194 transistor?
- Typical applications include high-power audio amplifiers, linear regulators, power supplies, and motor control circuits.
What precautions should be taken when using the MJW21194 in high-power applications?
- Proper heat sinking, adequate ventilation, and careful consideration of the operating conditions are essential to ensure reliable performance in high-power applications.
Is the MJW21194 suitable for switching applications?
- While the MJW21194 is primarily designed for linear applications, it can also be used in certain low-frequency switching applications.
What are the recommended operating conditions for the MJW21194?
- The MJW21194 operates best within a specified temperature range and under appropriate biasing and load conditions as outlined in the datasheet.
Are there any common failure modes associated with the MJW21194?
- Common failure modes include thermal runaway due to inadequate heat sinking, overvoltage stress, and excessive current leading to device breakdown.
Where can I find detailed information about the MJW21194 transistor?
- Detailed information, including electrical characteristics, thermal considerations, and application notes, can be found in the MJW21194 datasheet provided by the manufacturer.