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MJE350G

The MJE350G is a Darlington transistor array produced by ON Semiconductor. It is a popular component used in various electronic circuits due to its high current gain and fast switching capabilities. Here's a brief description of the MJE350G, its features, and applications:

Description:

The MJE350G is a monolithic integrated Darlington transistor array that consists of four independent Darlington pairs. Each pair is capable of providing a high current gain and a fast switching speed. The device is available in a 14-pin plastic dual-in-line package (DIP) and is suitable for a wide range of applications.

Features:

1. High current gain: The MJE350G offers a high current gain (hFE) of up to 10,000, which makes it suitable for driving high-current loads.
2. Fast switching: The device has a fast switching time, with a typical value of 200 ns for the storage time (tRS) and 100 ns for the ramp time (tR).
3. High temperature range: The MJE350G can operate in a wide temperature range of -65°C to +150°C, making it suitable for various environments.
4. Thermal resistance: The device has a low thermal resistance (RθJA) of 100°C/W, which allows for efficient heat dissipation.
5. High voltage capability: The MJE350G can handle high collector-emitter voltages, with a maximum rating of 45V.
6. Good thermal stability: The device has good thermal stability, with a low thermal drift and a low thermal runaway risk.
7. Internal base-emitter resistors: The MJE350G features internal base-emitter resistors, which helps in reducing the external component count and simplifying the circuit design.

Applications:

1. Motor control: The MJE350G is commonly used in motor control applications, such as driving relays and controlling DC motors.
2. Switching applications: The fast switching capabilities of the MJE350G make it suitable for switching applications, such as relay drivers and power switches.
3. Amplification: The high current gain of the MJE350G makes it an excellent choice for amplifying low-level signals in various electronic circuits.
4. Power Darlington: The MJE350G can be used as a power Darlington in applications requiring high current and high voltage, such as audio amplifiers and power supplies.
5. Automotive applications: Due to its high temperature range and thermal stability, the MJE350G is suitable for use in automotive applications, such as ignition systems and power window control.
6. Industrial control: The MJE350G can be used in various industrial control applications, such as PLCs (Programmable Logic Controllers) and motor controllers.

In summary, the MJE350G is a versatile and reliable Darlington transistor array that offers high current gain, fast switching, and a wide temperature range, making it suitable for a variety of applications in motor control, switching, amplification, and more.