MMBT2222A-7-F Discrete Semiconductor Products |
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Allicdata Part #: | MMBT2222A-FDITR-ND |
Manufacturer Part#: |
MMBT2222A-7-F |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Diodes Incorporated |
Short Description: | TRANS NPN 40V 0.6A SMD SOT23-3 |
More Detail: | Bipolar (BJT) Transistor NPN 40V 600mA 300MHz 310m... |
DataSheet: | MMBT2222A-7-F Datasheet/PDF |
Quantity: | 1000 |
Frequency - Transition: | 300MHz |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23-3 |
Base Part Number: | MMBT2222A |
Series: | Automotive, AEC-Q101 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Transistor Type: | NPN |
Current - Collector (Ic) (Max): | 600mA |
Voltage - Collector Emitter Breakdown (Max): | 40V |
Vce Saturation (Max) @ Ib, Ic: | 1V @ 50mA, 500mA |
Current - Collector Cutoff (Max): | 10nA (ICBO) |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 100 @ 150mA, 10V |
Power - Max: | 310mW |
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Transistors are key components in modern electronics. Among the various types of transistors, bipolar junction transistors (BJT) are the most efficiently and widely used transistors due to their versatility and high gains. MMBT2222A-7-F is one of the most common and popular BJT available in the market. This article provides an overview of the application field and the working principle of MMBT2222A-7-F.
Applications
MMBT2222A-7-F is a general-purpose PNP BJT which can be used for a variety of applications. Its most common application is for signal amplification or switching. It is also used in high-voltage circuits where the PNP BJT is used for protection or for forming a Schmitt trigger. This transistor is also very useful when it comes to power switching applications. It can be used to switch low-frequency AC or DC power. MMBT2222A-7-F is also popular with hobbyists who use them to make audio amplifiers and power supplies. Another application of this device is to make analog-to-digital converters, as it can detect linear differences between analog and digital signals, allowing for precise analog measurements.
Working Principle
The MMBT2222A-7-F is a PNP Type BJT which has three terminals. The terminal in the middle of the transistor is called the base and is used to control current flowing between the two other terminals. The terminals to the left and right of the transistor are called the Emitter and Collector respectively. When the base is given a positive voltage, current will start to flow from the emitter to the collector. This current is amplified by the transistor as it passes through the base. The amplified current is then sent to the collector for use in the external circuit.
The MMBT2222A-7-F has an Hfe of 500 which is relatively high for signal amplifiers and switching applications. The Hfe is a measure of the amount of current gain for the transistor. The higher the Hfe, the more current amplification it can provide. As the transistor amplifies current, its base-emitter voltage (Vbe) drops by a small amount, known as the Base Emitter Voltage Drop (Vb). The Vb of the MMBT2222A-7-F is 0.7 volts, which is reasonably low, making the transistor more efficient.
Conclusion
The MMBT2222A-7-F is a versatile and high-performance PNP BJT. It is well suited for a variety of applications such as signal amplification, switching, and analog-to-digital converters. It has a reasonably high Hfe and Vb, making it an ideal device for these applications. The ability to switch low-frequency AC or DC power makes it suitable for power switching applications as well. The MMBT2222A-7-F is a great choice for anyone looking for a reliable BJT transistor.
The specific data is subject to PDF, and the above content is for reference
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