Overview
The 2N2222AL is a widely used NPN bipolar junction transistor (BJT) manufactured by Microchip Technology. This transistor is known for its versatility and reliability in various electronic applications. It is part of the 2N2222 series, which includes several variants with different packaging and assurance levels. The 2N2222AL is particularly favored for its robust performance and compatibility with a range of circuit designs.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Collector-Base Voltage (Vcb) | 50V |
| Collector-Emitter Voltage (Vce) | 50V |
| Emitter-Base Voltage (Veb) | 5V |
| Collector Current (Ic) | 0.8A |
| Base Current (Ib) | 50mA |
| DC Current Gain (hFE) | 100 @ 150mA, 10V |
| Vce Saturation | 1.6V @ 50mA, 500mA |
| Power Dissipation | 500mW |
| Transition Frequency | 250MHz |
| Operating Temperature | -55°C to 150°C (TJ) |
| Package | TO-18-3 Metal Can |
Key Features
- High Current Capability: The 2N2222AL can handle up to 0.8A of collector current, making it suitable for a variety of power and switching applications.
- High Voltage Rating: With a collector-emitter voltage rating of 50V, this transistor can handle high voltage circuits effectively.
- High Transition Frequency: The transistor has a transition frequency of 250MHz, which is beneficial for high-frequency applications.
- Robust Operating Temperature Range: It operates within a temperature range of -55°C to 150°C, ensuring reliability in diverse environmental conditions.
- Compact Packaging: The TO-18-3 metal can package is compact and suitable for space-constrained designs.
Applications
- Switching Circuits: The 2N2222AL is commonly used in switching circuits due to its high current and voltage handling capabilities.
- Amplifier Circuits: It is used in amplifier circuits for its good current gain and low saturation voltage.
- Power Supplies: This transistor can be used in power supply circuits to regulate and switch high currents.
- Automotive Electronics: Its robust operating temperature range makes it suitable for use in automotive electronics.
- Industrial Control Systems: It is used in various industrial control systems for its reliability and performance.
Q & A
- What is the collector current rating of the 2N2222AL transistor?
The collector current rating of the 2N2222AL transistor is 0.8A.
- What is the maximum collector-emitter voltage for the 2N2222AL?
The maximum collector-emitter voltage for the 2N2222AL is 50V.
- What is the transition frequency of the 2N2222AL transistor?
The transition frequency of the 2N2222AL transistor is 250MHz.
- What is the operating temperature range of the 2N2222AL transistor?
The operating temperature range of the 2N2222AL transistor is -55°C to 150°C (TJ).
- What type of package does the 2N2222AL transistor come in?
The 2N2222AL transistor comes in a TO-18-3 metal can package.
- What are some common applications of the 2N2222AL transistor?
The 2N2222AL transistor is commonly used in switching circuits, amplifier circuits, power supplies, automotive electronics, and industrial control systems.
- What is the DC current gain (hFE) of the 2N2222AL transistor?
The DC current gain (hFE) of the 2N2222AL transistor is 100 @ 150mA, 10V.
- What is the power dissipation rating of the 2N2222AL transistor?
The power dissipation rating of the 2N2222AL transistor is 500mW.
- Is the 2N2222AL transistor RoHS compliant?
Some versions of the 2N2222AL transistor are RoHS compliant, but it depends on the specific part number and manufacturer.
- Who are the primary manufacturers of the 2N2222AL transistor?
The primary manufacturers of the 2N2222AL transistor include Microchip Technology and STMicroelectronics.
