Overview
The 2N2222A PBFREE transistor, manufactured by Central Semiconductor Corp, is a widely used NPN bipolar junction transistor known for its versatility and reliability. It is particularly favored for its high current capability and low saturation voltage, making it suitable for a variety of applications including amplification, switching, and signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Polarity | NPN |
| Type | Epitaxial |
| Collector-Emitter Voltage (VCE) Max | 40V |
| Collector Current Max (IC) | 800mA |
| Power Dissipation Total | 500mW |
| Collector-Base Voltage (VCB) | 75V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 1V |
| Emitter-Base Voltage (VBE) | 6V |
| DC Current Gain (hFE) Min | 100 |
| Configuration | Single |
| Operating Temperature Range | -65°C to +200°C |
| Moisture Sensitivity Level | 1 |
| Package Style | TO-18 |
| Mounting Method | Through Hole |
Key Features
- Bi-Polar high current NPN Transistor
- High DC current gain (hFE) ranging from 110 to 800
- Continuous Collector current (IC) of up to 800mA
- Low saturation voltage, typically 1V
- Available in TO-18 package
- Lead-free (PBFREE) version available for compliance with environmental regulations
Applications
- Switching high current loads up to 800mA
- Various switching applications
- Speed control of motors
- Inverter and other rectifier circuits
- Darlington pair configurations
Q & A
- What is the maximum collector current of the 2N2222A transistor?
The maximum collector current of the 2N2222A transistor is 800mA.
- What is the typical DC current gain (hFE) of the 2N2222A transistor?
The DC current gain (hFE) of the 2N2222A transistor ranges from 110 to 800.
- What is the maximum collector-emitter voltage (VCE) of the 2N2222A transistor?
The maximum collector-emitter voltage (VCE) of the 2N2222A transistor is 40V.
- What is the power dissipation of the 2N2222A transistor?
The total power dissipation of the 2N2222A transistor is 500mW.
- What is the operating temperature range of the 2N2222A transistor?
The operating temperature range of the 2N2222A transistor is -65°C to +200°C.
- What package style is the 2N2222A transistor available in?
The 2N2222A transistor is available in the TO-18 package style.
- Is the 2N2222A transistor lead-free?
Yes, the 2N2222A PBFREE version is lead-free.
- What are some common applications of the 2N2222A transistor?
The 2N2222A transistor is commonly used in switching high current loads, speed control of motors, inverter and rectifier circuits, and Darlington pair configurations.
- How do I use the 2N2222A transistor as a switch?
To use the 2N2222A transistor as a switch, you need to apply a base voltage to control the flow of current between the collector and emitter. A simplified circuit can include a current limiting resistor at the base to prevent excessive base current.
- What is the maximum base current for the 2N2222A transistor?
The maximum base current for the 2N2222A transistor is 5mA.
