TIP120 Transistor Pinout, Datasheet and Equivalent

Tip120 transistor is a popular power transistor used in a variety of electronic projects. It is a type of NPN Darlington transistor, which means it has two NPN transistors connected in a way that provides a very high current gain. The tip120 transistor is capable of switching and amplifying high currents and voltages, making it ideal for applications such as motor control, LED lighting, and other high-power electronic devices.

One of the key features of the tip 120 transistor is its high current handling capability. It can handle a maximum continuous collector current of 5A, with a maximum collector-emitter voltage of 60V. This makes it suitable for use in a wide range of high-current applications.

Another advantage of the tip120 transistor is its easy availability and affordability. It is widely available in the market and can be purchased at a reasonable price, making it a popular choice among hobbyists and electronics enthusiasts.

The tip 120 transistor also has a Darlington pair configuration, which provides a very high current gain. This makes it an excellent choice for applications that require high current amplification, such as in motor control circuits.

Overall, the tip120 transistor is a versatile and widely used component in the field of electronics. Its high current handling capability, affordability, and availability make it an ideal choice for a wide range of applications. With its ability to switch and amplify high currents and voltages, the tip120 transistor is an essential component in many electronic projects.

TIP120 Transistor Pins Configuration

The TIP120 transistor has three pins, which are labeled as the emitter (E), base (B), and collector (C). The pinout configuration of the TIP120 transistor is as follows:

The emitter pin (E) is typically the pin on the left-hand side of the transistor when viewed from the front with the flat face of the transistor facing towards you. The emitter is connected to the negative terminal of the circuit or power supply.

The base pin (B) is located in the center of the transistor and is connected to the control or input signal of the circuit. It is important to note that the TIP120 transistor requires a minimum base current of 100mA to fully turn on, so it is often used with a driver circuit to provide the necessary current.

The collector pin (C) is typically located on the right-hand side of the transistor and is connected to the load or output of the circuit. The collector is connected to the positive terminal of the power supply.

It is important to note that the TIP120 transistor is a Darlington transistor, which means that it contains two NPN transistors connected in a way that provides a very high current gain. As a result, the collector current of the TIP120 transistor is the sum of the collector currents of the two internal transistors.

TIP 120 Transistor Features

The TIP120 transistor is a versatile and widely used component in the field of electronics. Known for its numerous features and advantages. Some of the key features of the TIP120 transistor are:

High current handling capability: The TIP120 transistor is capable of handling a maximum continuous collector current of 5A. With a maximum collector-emitter voltage of 60V. This makes it suitable for use in a wide range of high-current applications.

High gain: The TIP120 transistor has a very high current gain due to its Darlington pair configuration, which provides a current gain of up to 1000. This makes it an excellent choice for applications that require high current amplification, such as in motor control circuits.

Wide operating temperature range: The TIP120 transistor is capable of operating over a wide temperature range of -65°C to +150°C, making it suitable for use in a variety of environmental conditions.

Easy availability and affordability: The TIP120 transistor is widely available in the market. We can purchase at a reasonable price. Which makes it a popular choice among hobbyists and electronics enthusiasts.

Low saturation voltage: The TIP120 transistor has a low saturation voltage of 2V. Which helps to reduce power dissipation and improve efficiency in switching applications.

Compatibility with microcontrollers and other digital logic devices: The TIP120 transistor can be easily controlled by microcontrollers. And other digital logic devices, making it an ideal choice for use in modern electronic circuits.

Overall, the TIP120 transistor’s high current handling capability, high gain, and compatibility with microcontrollers. Which makes it an essential component in many electronic projects. Its availability, affordability, and wide operating temperature range make it a versatile and popular choice for a wide range of applications.

Equivalent of TIP120 Transistor

Here is a list of all the equivalents or similar transistors to the TIP120:

• TIP121
• TIP121G
• TIP122
• TIP122G
• TIP125
• TIP125G
• TIP126
• TIP126G
• MJ11015
• MJ11016
• BDW93C
• BDW94C
• BDW83C
• BDW84C

It’s important to note that while these transistors have similar characteristics and specifications, they may have differences in maximum ratings, pin configuration, and other parameters that could affect performance. Therefore, it’s always recommended to check the datasheets of each transistor before using them in your circuit.

Where to Buy TIP120 Transistor

There are many online and offline retailers where you can purchase TIP120 transistors. Here are some options:

Online retailers: Websites such as Amazon, Digi-Key, Mouser Electronics, and Newark offer TIP120 transistors for purchase online. These websites often have a wide selection of electronic components, including TIP 120 transistors, and offer fast shipping options.

Local electronics stores: Electronics stores in your local area, such as RadioShack or Fry’s Electronics, may carry TIP120 transistors. These stores may be a good option if you need the transistor quickly and want to avoid shipping costs.

Electronic component distributors: Some distributors specialize in selling electronic components, and may carry TIP120 transistors. Examples include Avnet, Arrow Electronics, and Future Electronics.

When purchasing TIP 120 transistors, be sure to check the specifications and make sure they are appropriate for your project. It is also a good idea to compare prices from multiple retailers to ensure you are getting a good deal.

Conclusion

In conclusion, the TIP120 transistor is a widely used and versatile electronic component that offers a range of features and advantages. Its high current handling capability, high gain, and compatibility with microcontrollers make it a popular choice for a wide range of applications, including motor control circuits, LED lighting, and switching power supplies.

Additionally, the TIP120 transistor is widely available, affordable, and has a wide operating temperature range, making it an accessible option for hobbyists and electronics enthusiasts. Overall, the TIP120 transistor’s many benefits make it an essential component in the world of electronics and an excellent choice for a variety of electronic projects.

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