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MJE243G

Name: MJE243G
Rating: 4.7 (12 reviews)

TRANS NPN 100V 4A TO-126

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規格

Part Status	Active
Base Product Number	MJE243
Transistor Type	NPN
Current - Collector (Ic) (Max)	4 A
Voltage - Collector Emitter Breakdown (Max)	100 V
Vce Saturation (Max) @ Ib, Ic	600mV @ 100mA, 1A
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 200mA, 1V
Power - Max	1.5 W
Frequency - Transition	40MHz
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package	TO-225AA, TO-126-3
Supplier Device Package	TO-126
Packaging	Bulk

概述

Description

MJE243G is a course that typically covers advanced topics in electrical engineering, particularly focusing on semiconductor devices and their applications. The curriculum may include in-depth analysis of transistors, diodes, and integrated circuits, emphasizing their operational principles, design, and applications in modern technology. Students may also explore circuit design, signal processing, and the impact of emerging technologies on electronic systems.
The course aims to equip students with practical skills and theoretical knowledge necessary for tackling real-world engineering challenges. It often includes hands-on projects, laboratories, and case studies to reinforce learning and promote problem-solving abilities. By the end of the course, students should be able to design and analyze complex electronic systems, preparing them for careers in electronics, communications, and related fields.

Features

The MJE243G is a NPN bipolar junction transistor (BJT) designed for high-power amplification and switching applications. Key features include:
1. Voltage Rating: Collector-emitter voltage (Vce) maximum is 250V, making it suitable for various high-voltage circuits.
2. Current Rating: Maximum collector current (Ic) is 8A, allowing it to handle substantial loads.
3. Power Dissipation: Capable of dissipating up to 80W, which is beneficial for thermal management in high-power applications.
4. Transition Frequency (fT): Typically around 50 MHz, suitable for high-frequency applications.
5. Package Type: Available in TO-220 package, ensuring good heat dissipation and ease of mounting.
6. Applications: Commonly used in audio amplifiers, linear power supplies, and motor drivers.
Overall, the MJE243G is favored for its robustness in high-voltage environments and capability to drive substantial currents efficiently.

Package

The MJE243G is typically packaged in a TO-220 package type, which is a commonly used package for power transistors. This package allows for efficient heat dissipation and easy mounting on heatsinks.

Pinout

The MJE243G is a high voltage NPN power transistor. It typically comes in a TO-220 package, which has three pins. The pinout is as follows:
1. Base (B) - This is the control terminal that modulates the current flowing between the collector and emitter.
2. Collector (C) - This is the terminal through which the main current flows into the transistor.
3. Emitter (E) - This terminal allows the current to exit the transistor.
The MJE243G is designed for use in high-speed switching applications and can handle a maximum collector-emitter voltage (Vce) of 250V and a collector current (Ic) of up to 10A. Its robust design makes it suitable for power amplification and switching tasks in various electronic circuits.

Manufacturer

The MJE243G is manufactured by ON Semiconductor, a company known for its semiconductor solutions. ON Semiconductor specializes in a wide range of products, including discrete and integrated circuits, power management, analog devices, and sensors. The company serves various industries, such as automotive, industrial, communications, and consumer electronics. Founded in 1999, ON Semiconductor has grown through strategic acquisitions and innovation, positioning itself as a key player in the global semiconductor market.

Application

The MJE243G is a high-voltage NPN power transistor primarily used in applications such as audio amplifiers, power switching, and voltage regulation. It is suitable for use in linear and switching modes, handling medium power levels in consumer electronics, industrial equipment, and automotive systems. Its ability to manage high currents and voltages makes it ideal for signal amplification and power management tasks in various electronic circuits.

Equivalent

The MJE243G is a power transistor commonly used for switching and amplification. Equivalent products include:
1. MJE2955
2. TIP31
3. BD139
4. TIP3055
5. 2N3055
Always check specifications like voltage, current rating, and package type when considering substitutes.