Part Number: MJD127G

Manufacturer: onsemi

Description: Darlington Transistors 8A 100V Bipolar Power PNP

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of MJD127G

Datasheet  MJD127G datasheet
Category Discrete Semiconductor Products
Family Transistors – Bipolar (BJT) – Single
Manufacturer ON Semiconductor
Packaging Tube
Transistor Type PNP – Darlington
Current – Collector (Ic) (Max) 8A
Voltage – Collector Emitter Breakdown (Max) 100V
Vce Saturation (Max) @ Ib, Ic 4V @ 80mA, 8A
Current – Collector Cutoff (Max) 10μA
DC Current Gain (hFE) (Min) @ Ic, Vce 1000 @ 4A, 4V
Power – Max 1.75W
Frequency – Transition 4MHz
Mounting Type Surface Mount
Package / Case TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package DPAK-3

MJD127G Description

Attention all electronics enthusiasts! Are you prepared to advance the designs you’ve created? The Complete Guide to MJD127G is now available! In electronics, the bipolar junction transistor (BJT) is a game-changer due to its strength and adaptability. The MJD127G is an excellent option for high-power applications, including voltage regulators, motor drivers, and power amplifiers, thanks to its high current handling capacity and low saturation voltage.

This comprehensive book will teach you everything you need about this cutting-edge component and how to apply it in your designs. So let’s enter the world of MJD127G while strapped in!

MJD127G Features

  • Formed lead in plastic sleeves for surface-mount applications.
  • Epoxy is UL 94 V0 @ 0.125 in. compliant.
  • Packages without pb are available.

Additional Features

The MJD127G is a type of bipolar junction transistor (BJT) designed specifically for use in high-power applications and has numerous important features. A few examples of these features are as follows:

The MJD127G has the capacity to handle high levels of current, which qualifies it for use in high-power circuits such as voltage regulators, motor drivers, and power amplifiers. Because of its capability, the MJD127G is a good component for high-powered circuits.

● Low Saturation Voltage

Because the MJD127G has a low saturation voltage, it can generate high output currents and voltages with only a small amount of distortion being introduced. This is especially helpful for applications where it is vital to maintain the quality of the input signal.

● Fast Switching Speeds

As a result of its high switching speeds, the MJD127G is well suited for use in high-frequency applications such as switching power supplies.

● Wide Voltage Range

Because it can function throughout a broad voltage range, the MJD127G is adaptable enough to be utilized in various applications and with various voltage supply sources.

● Compact Design

Because of its small size and lightweight, the MJD127G is a simple component to implement into circuit designs.

● Low Power Dissipation

The MJD127G has a low power dissipation, which means it only produces a little heat while operating. Because of this, it is appropriate for use in high-power applications where the control of thermal resources is a problem.

● High Gain

Because it has such a high current gain, the MJD127G is an excellent component choice for circuits that include voltage amplifiers.

In general, the MJD127G is a high-performance bipolar junction transistor that is both flexible and powerful. It offers a variety of features that are suited for use in high-power applications. The MJD127G is a fantastic choice for the circuit designs you are working on since it has a high-current handling capability, fast switching rates, and a low saturation voltage, all of which are important factors.

What is Complementary Darlington Power Transistor (CDPT)

A complementary Darlington power transistor, also known as a CDPT, is a type of bipolar junction transistor that has the ability to handle huge amounts of power while also providing high current gain. Because of this, it is an excellent option for high-power applications, including power amplifiers, voltage regulators, and motor drivers.

A CDPT consists of two transistors coupled in a Darlington configuration. This arrangement links the collector of one transistor to the base of the other transistor in the circuit. Since this, there is an increase in current gain because the factor that each transistor uses to magnify the current is multiplied. Additionally, the high current handling capacity of CDPTs is because of the huge physical size of the transistors, which allows for larger emitter and collector regions. This is owing to the fact that CDPTs have a complementary bipolar junction structure.

Because of the high input impedance that CDPTs have, which is one of their primary advantages, these devices are ideally suited for use in voltage amplifier circuits. Because of its high input impedance, the CDPT takes relatively little current from the input signal, which helps maintain its integrity and reduces distortion. Because of this, CDPTs are ideally suited for usage in high-fidelity audio amplifiers and other applications, which is essential to maintain the input signal quality.

CDPTs offer several benefits, one of which is their capacity to manage high power levels. Because CDPTs can deliver high output currents and voltages, high-power amplifier circuits can benefit from utilizing these components. These components are frequently utilized when a high current and high voltage are required in a given application, such as in audio power amplifiers, power supply voltage regulators, and motor drivers.

CDPTs are very easy to use because they need a single voltage supply. This makes them very convenient. Because of this, designers who want to construct high-power circuits using a small number of components will find them a useful option to consider. CDPTs are also reasonably priced, which makes them a good option for a wide variety of high-power applications because they will save you money.

CDPTs come with a few drawbacks, even though they provide several benefits. The relatively high thermal resistance of CDPTs is one of the most significant downsides of these devices since it can restrict the amount of power they can handle. The high thermal resistance of the CDPT may cause it to heat up rapidly, resulting in thermal runaway and the malfunctioning of the device. To prevent this from happening, it is essential to appropriately design the thermal management of CDPT circuits, such as by utilizing sufficient heat sinking or cooling fans.

CDPTs also have a relatively low-frequency response, another of their many drawbacks. Because CDPTs are intended to manage high power levels, their response times to input signal changes may be sluggish. Because of this, high-frequency applications like switching power supply, which demand quick response times, are less suited to use with these components than other applications.


“Unleash the Power of the MJD127G – The Perfect Answer for High-Performance Electronics! The MJD127G is the ideal tool for experts and electronics hobbyists thanks to its amazing combination of high current handling, quick switching speeds, low saturation voltage, and more. So why would you accept anything less? With the MJD127G, you can now upgrade your designs and see the impact that a high-performing bipolar junction transistor can make. Bring your designs to reality by placing an order right away from ICRFQ, China’s top distributor of electronic components!

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