What is 2N4401? 40V, 0.6A, NPN Transistor

What is 2N4401?

It is a commonly used NPN bipolar junction transistor (BJT) in electronic circuits. It is designed for general-purpose switching and amplification applications with a maximum collector current of 0.6A and a maximum collector-emitter voltage of 40V. The transistor is housed in a small plastic TO-92 package and is easily identifiable by its part number and marking. It has three terminals: the emitter (E), the base (B), and the collector (C).

The 2N4401 is widely used in a variety of electronic applications, including signal amplification, voltage regulation, and digital logic circuits.

Function: 40V, 600mA, General Purpose NPN Transistor

Package: TO-92 Type

Manufacturer: ON Semiconductor

Image

2N4401 datasheet pdf

Description

The NPN Bipolar Transistor is designed for use in linear and switching applications. The device is housed in the TO-92 package, which is designed for medium power applications. It is commonly used in electronic circuits for signal amplification, switching, and voltage regulation.

Features

1. NPN bipolar junction transistor
2. Maximum collector current of 600 mA
3. Maximum collector-emitter voltage of 40V
4. Small plastic TO-92 package
5. Low noise and high frequency response

Pinouts:

2N4401 Transistor

Advantages Vs Disadvantages

Advantages:

1. Widely available and low cost
2. High input impedance
3. Fast switching speed
4. Can be used in a variety of applications
5. Suitable for low-power circuits

Disadvantages:

1. Limited voltage and current handling capabilities
2. Not suitable for high-power applications
3. Limited maximum frequency range

Absolute Maximum Ratings

1. Collector-Emitter Voltage : VCEO = 40 Vdc

2. Collector-Base Voltage : VCBO = 60 Vdc

3. Emitter-Base Voltage : VEBO = 6.0 Vdc

4. Collector Current-Continuous : IC = 600 mAdc

5. Total Device Dissipation: Pd = 625 mW

6. Pb−Free Packages are Available

Official Homepage: https://www.onsemi.com/PowerSolutions/product.do?id=2N4401

2N4401 Datasheet PDF

2N4401 pdf


Other data sheets are available within the file:

2N4401G, 2N4401RLRA, 2N4401RLRAG, 2N4401RLRM

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What is MJ15015? – 15A, 120V, NPN Transistor – SavantIC

What is MJ15015?

It is a power transistor designed for use in high-power audio amplifier applications and other high-power switching applications.

The MJ15015 is an NPN bipolar junction transistor with a maximum collector current of 15 amps and a maximum collector-emitter voltage of 120 volts.

Function: Silicon NPN Power Transistor

Package: TO-3 Type

Manufacturer: SavantIC Semiconductor

Image and Pinouts:

MJ15015 datasheet

Description

Silicon NPN high frequency, high power transistorsin a metal envelope, primarily for use in audio andgeneral purpose.

Features

1. With TO-3 package
2. Complement to type MJ15016
3. Excellent safe operating area

 

Advantages

The MJ15015 offers high power handling capabilities, making it ideal for use in high-power audio amplifiers and other power switching applications. It also has a low collector-emitter saturation voltage, which helps to minimize power loss and improve efficiency. The transistor’s wide operating temperature range allows it to be used in a variety of different environments.

Disadvantages

One potential disadvantage of the transistor is its relatively high cost compared to other power transistors. Additionally, its high current and voltage ratings make it unsuitable for low-power applications, where a smaller, lower-cost transistor might be sufficient.

 

Applications

1. For high power audio, stepping motor and other linear applications
2. Relay or solenoid drviers
3. DC-DC converters inverters

Absolute Maximum Ratings

1. Collector-base voltage Open emitter : VCBO = 200 V
2. Collector-emitter voltage Open base : VCEO = 120 V
3. Emitter-base voltage Open collector : VEBO = 7 V
4. Collector current : IC = 15 A
5. Base current : IB = 7 A
6. Collector power dissipation : PC = 180 W

MJ15015 Datasheet

MJ15015 pdf