PMBT2222A

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PMBT2222A

Bipolar Transistors - BJT

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Übersicht

Description

PMBT2222A is a widely used NPN bipolar junction transistor (BJT) known for its versatility in electronic circuits. It features a maximum collector current of 800 mA and a voltage rating of 40 V, making it suitable for low-power amplification and switching applications. With a gain (hFE) range typically between 100 to 300, PMBT2222A is effective for general-purpose tasks, such as signal amplification in audio devices, driving small motors, and more.
The transistor is housed in a TO-92 package, which facilitates easy integration into various circuits. Its robust performance, reliability, and availability have made it a popular choice among hobbyists and professionals alike. Understanding its characteristics, including input and output impedances, thermal stability, and switching times, is essential for optimal application in electronic designs.

Features

The PMBT2222A is a standard NPN bipolar junction transistor (BJT) widely used in low power switching and amplification applications. Key features include:
1. Type: NPN transistor suitable for various electronic circuits.
2. Max Collector-Emitter Voltage (Vce): 40V, making it suitable for low-to-moderate voltage applications.
3. Max Collector Current (Ic): 800mA, allowing it to handle moderate current loads.
4. DC Current Gain (hFE): Typically ranges from 100 to 300, providing good amplification capabilities.
5. Transition Frequency (ft): Approximately 250 MHz, suitable for RF applications.
6. Package Type: Available in TO-92 and SMD packages, facilitating easy integration into circuits.
7. Temperature Range: Operates effectively within -55°C to 150°C.
8. Applications: Commonly used in relay drivers, switching applications, audio amplifiers, and signal processing.
Overall, the PMBT2222A is a versatile and reliable choice for various electronic applications.

Package

The PMBT2222A is typically available in a surface-mount package type, specifically the SOT-23 package. It is a NPN bipolar junction transistor commonly used in low-power applications.

Pinout

The PMBT2222A is a standard NPN bipolar junction transistor (BJT) in a plastic surface-mount package, typically the SOT-23. It has three pins, which serve the following functions:
1. Base (B): This pin is used to control the transistor's operation by applying a small current to turn it on or off.
2. Collector (C): The collector pin is where the main current flows from when the transistor is in the "on" state.
3. Emitter (E): The emitter pin allows current to exit the transistor; it is connected to ground in common emitter configurations.
The PMBT2222A is commonly used for amplification and switching applications in electronic circuits.

Manufacturer

The PMBT2222A is a transistor manufactured by various companies, with ON Semiconductor being one of the prominent producers. ON Semiconductor is a global semiconductor company that specializes in designing and manufacturing a wide range of semiconductor components, including analog, logic, and power devices. The company focuses on energy-efficient solutions for various applications in automotive, industrial, consumer, and communication markets. Founded in 1999, ON Semiconductor has grown through both organic growth and acquisitions, establishing itself as a key player in the semiconductor industry.

Application

The PMBT2222A is a general-purpose NPN bipolar junction transistor commonly used in low-power amplification and switching applications. Typical application areas include signal amplification in audio devices, driver circuits for relays and motors, interface circuits in digital logic, and biasing for other transistors. Its versatility makes it suitable for consumer electronics, automotive systems, and industrial controls.

Equivalent

The PMBT2222A is a NPN bipolar junction transistor (BJT) commonly used for general switching and amplification purposes. Equivalent products include:
1. 2N2222
2. BC547
3. MPS2222
4. 2N4401
These transistors share similar characteristics and can often be used interchangeably, but always verify specific parameters for compatibility in your application.

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