2N2222A

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2N2222A

TRANS NPN 40V 0.6A TO18

  • Manufacturer
  • Mfr. Part #2N2222A
  • Package TO-18-3
  • Datasheet
  • In Stock6722

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Specifications

Package Bulk
ProductStatus Obsolete
TransistorType NPN
Current-Collector(Ic)(Max) 600 mA
Voltage-CollectorEmitterBreakdown(Max) 40 V
VceSaturation(Max)@IbIc 1V @ 50mA, 150mA
Current-CollectorCutoff(Max) 10nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce 100 @ 150mA, 10V
Power-Max 500 mW
Frequency-Transition 300MHz
OperatingTemperature 175°C (TJ)
MountingType Through Hole
Package/Case TO-206AA, TO-18-3 Metal Can

Overview

Description

The 2N2222A is a popular NPN bipolar junction transistor (BJT) widely used in electronic circuits for amplification and switching applications. It is designed to handle moderate power levels, with a maximum collector current of 800 mA and a maximum collector-emitter voltage of 40V.
The transistor operates in three regions: active, saturation, and cutoff. In the active region, it can amplify signals, while in saturation, it acts as a closed switch, and in cutoff, it behaves like an open switch.
The 2N2222A is characterized by its high speed and robustness, making it suitable for applications in signal processing, amplification, and digital logic circuits. It typically comes in a TO-92 package, suitable for breadboarding and prototyping.
Due to its reliability, ease of use, and availability, the 2N2222A has become a staple component in both educational and professional electronics. Users should observe proper biasing and thermal management to ensure optimal performance and longevity.

Features

The 2N2222A is a popular NPN bipolar junction transistor (BJT) widely used in electronic circuits. Key features include:
1. Type: NPN transistor.
2. Max Collector-Emitter Voltage (Vce): 40V.
3. Max Collector Current (Ic): 800mA.
4. Power Dissipation: Up to 500mW.
5. Gain (hFE): Typically ranges from 100 to 300.
6. Frequency Response: Transition frequency (fT) around 250 MHz, suitable for high-speed switching.
7. Package Types: Available in TO-92, TO-220, and surface-mount packages.
8. Applications: Used in switching, amplification, and signal processing in various electronic devices.
9. Temperature Range: Operates from -55°C to +150°C.
The 2N2222A's versatility and reliability make it a preferred choice for hobbyists and professionals alike in both analog and digital applications.

Package

The 2N2222A is commonly available in the TO-92 package type for through-hole mounting and the SOT-23 package for surface mounting. The TO-92 is a plastic, cylindrical package, while the SOT-23 is a small, rectangular surface mount package.

Pinout

The 2N2222A is a widely used NPN bipolar junction transistor (BJT) with three terminals: collector (C), base (B), and emitter (E). It typically comes in a TO-18 metal can or a plastic package (like TO-92) with the following pin configuration:
1. Emitter (E) - Pin 1
2. Base (B) - Pin 2
3. Collector (C) - Pin 3
Functions:
- Collector: Connected to the load and is where the current flows out of the transistor.
- Base: Controls the transistor's operation; a small current at this terminal allows a larger current to flow from collector to emitter.
- Emitter: Commonly connected to ground or the negative side of the power supply.
The 2N2222A is commonly used for amplification and switching applications due to its reliability and versatility. It can handle moderate currents and voltages, making it suitable for various electronic circuits.

Manufacturer

The 2N2222A is a commonly used NPN bipolar junction transistor manufactured by several companies, with major producers including ON Semiconductor, Texas Instruments, and STMicroelectronics. These companies are primarily semiconductor manufacturers, specializing in the design and production of a wide range of electronic components and integrated circuits for various applications, including consumer electronics, automotive, industrial, and telecommunications. The 2N2222A is widely utilized in switching and amplification applications due to its versatility and reliability.

Application

The 2N2222A is a versatile NPN bipolar junction transistor widely used in various applications, including signal amplification, switching circuits, and audio electronics. It is suitable for low to moderate power devices, such as relays, motors, and LED drivers. Commonly found in consumer electronics, hobby projects, and educational circuits, it operates efficiently in both analog and digital applications, making it a popular choice among engineers and hobbyists alike.

Equivalent

The 2N2222A transistor is commonly replaced by several equivalent parts, including the 2N2222, BC547, BC548, 2N4401, and MPS2222. These transistors have similar characteristics and can often be used interchangeably in low-power switching and amplification applications. Always check specific datasheets for exact parameters before substitution.

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