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MJE15028G Transistor
Introduction
The MJE15028G is a high-voltage, high-speed NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. This entry provides an overview of the MJE15028G, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Bipolar Junction Transistor (BJT)
- Use: General-purpose amplifier and switching applications
- Characteristics: High voltage, high speed
- Package: TO-220
- Essence: High-performance NPN BJT
- Packaging/Quantity: Typically available in reels or tubes containing multiple units
Specifications
- Collector-Emitter Voltage (VCEO): 250V
- Collector-Base Voltage (VCBO): 250V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 8A
- DC Current Gain (hFE): 30 - 100
- Transition Frequency (fT): 30MHz
- Power Dissipation (PD): 50W
Detailed Pin Configuration
The MJE15028G transistor has a standard TO-220 package with three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- High voltage capability
- Fast switching speed
- Low saturation voltage
Advantages and Disadvantages
Advantages
- Suitable for high-power applications
- Fast response time
- Low power dissipation
Disadvantages
- Relatively low current gain compared to some alternatives
- Sensitive to temperature variations
Working Principles
The MJE15028G operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its layers to amplify or switch electronic signals.
Detailed Application Field Plans
The MJE15028G is commonly used in the following applications: - Audio amplifiers - Power supplies - Motor control circuits - Switching regulators
Detailed and Complete Alternative Models
Some alternative models to the MJE15028G include: - MJE15029G - MJE15030G - 2N3055 - TIP31C
In conclusion, the MJE15028G transistor offers high-voltage, high-speed performance suitable for various amplifier and switching applications. Its TO-220 package, functional features, and specifications make it a versatile choice for electronic circuit design.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MJE15028G en soluciones técnicas
What is the maximum collector current of MJE15028G?
- The maximum collector current of MJE15028G is 8A.
What is the maximum collector-emitter voltage of MJE15028G?
- The maximum collector-emitter voltage of MJE15028G is 250V.
What are the typical applications of MJE15028G?
- MJE15028G is commonly used in audio amplifiers, power supplies, and general purpose switching applications.
What is the typical gain (hfe) of MJE15028G?
- The typical gain (hfe) of MJE15028G is around 30 to 70.
What is the power dissipation of MJE15028G?
- The power dissipation of MJE15028G is approximately 50W.
Is MJE15028G suitable for high-frequency applications?
- No, MJE15028G is not typically recommended for high-frequency applications due to its lower transition frequency.
Can MJE15028G be used in linear amplifier circuits?
- Yes, MJE15028G can be used in linear amplifier circuits, especially in audio amplifier designs.
What are the thermal characteristics of MJE15028G?
- The thermal resistance from junction to case (RθJC) of MJE15028G is typically around 1.67°C/W.
Does MJE15028G require a heat sink in high-power applications?
- Yes, in high-power applications, it is recommended to use a heat sink to ensure proper thermal management.
Are there any common failure modes associated with MJE15028G?
- Common failure modes include overcurrent conditions leading to thermal runaway, as well as voltage spikes causing breakdown of the device. Proper circuit protection is important to prevent these failures.