RN1511(TE85L,F) Discrete Semiconductor Products

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The TE85L,F series is a pre-biased array consisting of a 3-channel NPN transistor, housed in a single package. The application field of the TE85L,F varies greatly and it is often used in the fields of power control, motor control, and audio control. In addition, it can also be used in various light load switching applications and signal applications. This article focuses on the application field and operating principle of the TE85L,F.

The TE85L,F contains three NPN transistors, two of which are connected in series and one of which is connected in parallel. This series-parallel combination gives each of the three transistors an independent forward bias when the base of each transistors is connected to a positive supply. Under this condition, the current flows through the two transistors, and the direction of the current flow is determined by the signal voltage at the base of the third transistor. This allows the TE85L,F to be used for signal control and power control, as well as switching applications requiring low power.

The other application field of the TE85L,F is in audio control, specifically in audio power amplifiers. The third transistor in the series-parallel combination can be used to amplify the signal voltage and control the current flowing through the two series connected transistors. This, in turn, raises or lowers the voltage output of the amplifier. By adjusting the signal voltage, the amplifier\'s gain and damping factor can be controlled, allowing for precise control of the audio output.

The operating principle of the TE85L,F is based on the operation of NPN transistors. NPN transistors are current-controlled current sources, meaning the amount of current flowing out of the collector terminal is determined by the current flowing into the base terminal. In the case of the TE85L,F, each of the three NPN transistors is connected in a different configuration and this allows the current output of each transistor to be individually controlled based on the signal voltage. This allows for precise control of the output voltage of the amplifier.

In conclusion, the TE85L,F is a versatile and powerful transistor array that is suitable for many different applications. From power control to audio control, its series-parallel arrangement and NPN transistors give it the ability to provide accurate control of current, voltage and power. With its wide variety of applications and operating principles, the TE85L,F provides the user with a reliable and cost-effective solution to their transistors needs.

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