Overview
The 2N2222AUA is a high-performance NPN silicon switching transistor manufactured by TT Electronics/Optek Technology. This transistor is designed for general-purpose switching and amplification applications. It is known for its reliability, high current gain, and robust electrical ratings, making it a versatile component in various electronic circuits.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Collector Current (dc) | I C | 0.8 | A | ||
| Collector-Emitter Voltage (Base Open) | V CEO | 50 | V | ||
| Junction Temperature | T J | 200 | °C | ||
| DC Current Gain | HFE | 100 | 300 | ||
| Turn Off Time | t off | 300 | ns | ||
| Package | 4-CLCC |
Key Features
- High Current Gain: The 2N2222AUA has a typical DC current gain (HFE) of 300, ensuring reliable amplification and switching performance.
- Robust Electrical Ratings: It features a maximum collector current of 0.8 A and a collector-emitter voltage of 50 V, making it suitable for a wide range of applications.
- Compact Package: The transistor is available in a 4-CLCC (4-pin Ceramic Leadless Chip Carrier) package, which is ideal for surface mount technology (SMT) and space-constrained designs.
- High Junction Temperature: With a maximum junction temperature of 200°C, this transistor can operate in demanding thermal environments.
Applications
The 2N2222AUA is widely used in various electronic circuits, including general-purpose switching, amplification, and driver applications. It is particularly suitable for:
- Switching circuits in power supplies and motor control systems.
- Amplifier stages in audio and signal processing circuits.
- Driver circuits for LEDs, relays, and other actuators.
- Automotive and industrial control systems where reliability and high performance are critical.
Q & A
- What is the maximum collector current of the 2N2222AUA?
The maximum collector current (I C) of the 2N2222AUA is 0.8 A. - What is the typical DC current gain (HFE) of the 2N2222AUA?
The typical DC current gain (HFE) of the 2N2222AUA is 300. - What is the maximum collector-emitter voltage (V CEO) of the 2N2222AUA?
The maximum collector-emitter voltage (V CEO) of the 2N2222AUA is 50 V. - What is the package type of the 2N2222AUA?
The 2N2222AUA is available in a 4-CLCC (4-pin Ceramic Leadless Chip Carrier) package. - What is the maximum junction temperature of the 2N2222AUA?
The maximum junction temperature (T J) of the 2N2222AUA is 200°C. - Is the 2N2222AUA RoHS compliant?
Yes, the 2N2222AUA is RoHS compliant, although specific versions may vary in compliance status. - What are some common applications of the 2N2222AUA?
The 2N2222AUA is commonly used in switching circuits, amplifier stages, driver circuits, and various automotive and industrial control systems. - Who manufactures the 2N2222AUA?
The 2N2222AUA is manufactured by TT Electronics/Optek Technology. - Where can I find the datasheet for the 2N2222AUA?
The datasheet for the 2N2222AUA can be found on the official websites of TT Electronics/Optek Technology, Microsemi, or through distributors like Mouser and Heisener. - What is the turn-off time of the 2N2222AUA?
The turn-off time (t off) of the 2N2222AUA is typically 300 ns.
