ST901TFP

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The ST901TFP is a single bipolar transistor, typically used for switching and amplification of signals. It is a high-performance N-channel VHF/ UHF silicon planar general purpose NPN transistor. This transistor is rated for use in most high frequency circuits, from around 100 MHz to 1 GHz.

The ST901TFP features an industry-leading 0.51mΩ typical on resistance, plus low input and output capacitance, meaning it is ideal for high-speed switching applications such as multiplexing, level shifting, and timing circuits. The device also has low noise figure, high linearity, and high gain linearity, according to ST.

For ease of use, the ST901TFP is available in the SOT-23-3 and the new SOT89 packages, which take up considerably less board space than other similar components, allowing the designer more flexibility. Additionally, the ST901TFP simplifies the process of selecting a device for a given application.

ST901TFP Application Field:

• Medical electronics
• Automotive
• Industrial controls
• robots control
• Consumer electronics
• Mobile communications
• Lighting control systems
• Power management
• Security systems

The ST901TFP\'s active operating region is distributed along the base-emitter and base-collector junction. The performance of the device is determined by several parameters such as the amount of base current, bias and collector current, saturation voltage, and base-emitter junction voltage, among others.

The way the ST901TFP works is quite simple. When an appropriate voltage is applied to the base electrode, a small amount of current flows from the emitter to the base. This current creates a concentration of charge carriers in the base region, which in turn allows more current to flow from the emitter to the corrector. The base is connected to the emitter, providing the necessary voltage amplification.

In conclusion, the ST901TFP is a high-performance, low-power transistor for switching applications that require high speed and low capacitance. The low on-resistance and the wide range of packages makes the device ideal for applications where space is of the essence. The simple working principle means the device is easy to use and can provide reliable performance over the long term.

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