FMMT720TC

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The FMMT720TC, also known as the PNP Darlington Transistor, is a small signal bipolar junction transistor produced using a high speed and high voltage process. It is ideal for general-purpose medium-power switching, AF amplifier and driver applications. This Darlington transistor consists of two PNP transistors that share the same emitter and collector regions, which are connected to a common base region. This structure allows for higher current gains and lower saturation voltages than conventional bipolar junction transistors.

The key features of the FMMT720TC are its low voltage drop, fast switching, high collector current, high frequency operation, good response time and small package size. The FMMT720TC’s maximum voltage drop between the collector and emitter is 1.5V at a collector current of 1mA and can reach as low as 0.6V at 500mA. The FMMT720TC is rated for a maximum collector current of 500mA and a total power dissipation of 400mW in a TO-92 package. The FMMT720TC’s response time from collector to emitter is very fast, reaching as low as 100ns for an input of 10V. The current gain for the FMMT720TC is also very high, with a maximum of 2000.

When it comes to its operating temperature, the FMMT720TC has an operating temperature range of -55°C to 150°C. The transistor’s storage temperature range is -65°C to 150°C. The FMMT720TC should be operated with a minimum base current of 5mA and a maximum of 20mA. The transistor must also be operated with a minimum collector voltage of 1.5V and a maximum collector voltage of 20V. The FMMT720TC is rated for a power dissipation of 400mW at 25°C.

The working principle of the FMMT720TC is similar to that of a conventional bipolar junction transistor, with the addition of two transistors connected in series. When a small current is applied to the base of the FMMT720TC, the base-emitter junctions of the two transistors are forward biased and the current is then amplified and fed to the collector. The efficiency of this current amplification is enhanced by the Darlington configuration. The increased current gain of the transistor increases its efficiency, which leads to faster switching times or higher current gains.

The FMMT720TC is well suited for use in medium-power switch applications, AF amplifier and driver applications, as well as high-frequency switching applications. The transistor’s low collector-emitter voltage drop and high current gain make it an ideal switch for these applications. The FMMT720TC can also be used in digital circuits and in voltage regulators, providing reliable and consistent performance.

The FMMT720TC is widely used in consumer products, automotive applications and industrial products due to its high reliability, excellent power efficiency and low power consumption. The FMMT720TC is also ideal for use in LED applications, as its low voltage drop and high current gain make it capable of driving large LED current. Additionally, the FMMT720TC is widely used in audio amplifiers and headphone amplifiers, where its high current gain and fast switching make it an ideal choice for these applications.

In conclusion, the FMMT720TC is an excellent choice for a wide range of applications, both in consumer electronics and in industrial products. Its low voltage drop, high current gain and fast switching make it highly reliable and efficient, while its small package size ensures that it can be easily integrated into any design.

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