Overview
The MMBT2222A-AU_R1_000A1, produced by Panjit International Inc., is the SMD (SOT-23) version of the popular 2N2222A transistor. This NPN bipolar junction transistor is widely used in electronic design due to its outstanding performance in amplifier and fast-switching circuits. It is known for its high current gain and fast switching speed, making it a versatile component in various electronic applications.
The MMBT2222A is particularly suited for applications where space is a constraint, thanks to its compact SOT-23 package. It is a common choice for amplifier circuits, switching loads, and other applications requiring low power but high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (Vce) | 40 | Vdc |
| Collector-Base Voltage (Vcb) | 75 | Vdc |
| Emitter-Base Voltage (Veb) | 6 | Vdc |
| Continuous Collector Current (Ic) | 600 | mAdc |
| DC Current Gain (hFE) | 100 to 300 | |
| Rise and Fall Time | 25ns and 60ns respectively | |
| Total Power Dissipation | 350 | mW |
| Junction and Storage Temperature Range | -55 to +150 | °C |
Key Features
- Bi-Polar small signal NPN Transistor
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
- High current gain and fast switching speed
- Available in SOT-23 package, suitable for applications requiring small form factors
- Complementary PNP Transistor: MMBT2907A
- High frequency response, making it ideal for amplifier circuits
Applications
- Driver Modules like Relay Driver, LED driver, etc.
- Switching loads up to 600mA
- Motor speed control
- Inverter and Rectifier circuits
- Darlington Pair Designs
- Amplifier circuits, especially for audio signals
- Fast-switching applications in digital logic circuits
Q & A
- What is the MMBT2222A transistor?
The MMBT2222A is an NPN bipolar junction transistor in an SOT-23 package, known for its high current gain and fast switching speed.
- What are the key specifications of the MMBT2222A?
Key specifications include a Collector-Emitter Voltage of 40V, Collector-Base Voltage of 75V, Emitter-Base Voltage of 6V, and a Continuous Collector Current of 600mA.
- What are the typical applications of the MMBT2222A?
Typical applications include driver modules, switching loads, motor speed control, inverter and rectifier circuits, and amplifier circuits.
- What is the difference between the MMBT2222A and the 2N2222A?
The main difference is the packaging; the MMBT2222A is in an SOT-23 package, while the 2N2222A is in a TO-18 metal can package.
- How do I identify a faulty MMBT2222A transistor?
You can identify a faulty transistor by measuring its base-emitter and base-collector junctions with a multimeter.
- What is the total power dissipation of the MMBT2222A?
The total power dissipation of the MMBT2222A is 350mW.
- Is the MMBT2222A RoHS compliant?
Yes, the MMBT2222A is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.
- What is the complementary PNP transistor for the MMBT2222A?
The complementary PNP transistor for the MMBT2222A is the MMBT2907A.
- What are the rise and fall times of the MMBT2222A?
The rise and fall times of the MMBT2222A are 25ns and 60ns respectively.
- What is the junction and storage temperature range for the MMBT2222A?
The junction and storage temperature range for the MMBT2222A is -55 to +150°C.
