BC817-25/SNR

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BC817-25/SNR is a type of PNP small signal transistor. It is part of the single bipolar junction transistor (BJT) family. A bipolar transistor finds its application in computers, embedded systems, and telecommunications. It is also typically used to amplify low-power signals. In order to understand the working of a BC817-25/SNR transistor, it is necessary to know the basic operating principle of a BJT.

The transistor has three terminals – collector (C), base (B), and emitter (E). It works on the principle of minority charge carriers. In PNP transistors, a current flow is initiated when electrons enter through the emitter into the base. This is because the base has a lower voltage than the emitter. The electrons are then able to jump the gap between the emitter and the collector due to the lower voltage in the collector than in the base. Due to this, electrons from the collector can flow back to the emitter, forming a circuit.

The BC817-25/SNR transistor has a wide range of applications. It is used as an amplifier in audio equipment and can be used as a switch in a variety of applications. Due to its low noise figure, it is often used for low voltage power amplifiers. The transistor is also used to boost the power output of a circuit. Depending on the circuit configuration, the BC817-25/SNR can used as a driver component, bridge a signal, and provide a gain to the incoming signal.

BC817-25/SNR makes use of a PNP structure and has an operating voltage of between100mV and 800mV, making it suitable for low voltage operations. It has a collector-emitter breakdown voltage of 45V, a collector current of 250mA and a continuous collector current (DC) of 80mA. The collectors\' current gain (hfe) of this PNP transistor ranges between 35 and 200, depending on the current applied to the emitter.

The collector-base cutoff voltage (Vce) of the BC817-25/SNR is between 5V and 45V and the emitter-base cutoff voltage (Vbe) is between 700mV and 1.5V. The operating temperature range is -55°C to 150°C and it has a storage temperature range of -55°C to 150°C. The power gain (Pout) of the transistor is between 6dB and 12dB and the device has a noise figure of between 1dB and 10dB.

In summary, the BC817-25/SNR transistor is a type of PNP small signal transistor from the single bipolar junction transistor (BJT) family. It is used in a variety of applications such as audio equipment, low voltage power amplifiers, driver components, and bridge circuits. BC817-25/SNR has an operating voltage of between 100mV and 800mV, a collector-emitter breakdown voltage of 45V, a collector current of 250 mA and a continuous collector current (DC) of 80mA. The range of output power gain is between 6 dB and 12dB and the noise figure is between 1dB and 10dB. The operating temperature range is -55°C to 150°C and it has a storage temperature range of -55°C to 150°C.

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