UNR921MJ0L Discrete Semiconductor Products

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UNR921MJ0L is an advanced single, pre-biased transistor designed to provide high performance in a wide range of applications. It is a pre-biased version of the widely popular UNR921MJ0 device and has been designed with an improved active region performance. The device is characterized by low operation power and low thermal resistance, making it suitable for applications ranging from low current control to high voltage switching.

The UNR921MJ0L transistor is a bipolar type device, also known as bipolar junction transistor (BJT). It has three layer construction, with two base and one emitter terminals. The base terminals receive the input signal, while the emitter terminal is connected to the output current. The device works in two modes, namely, saturated and non-saturated mode. In the saturation mode, the collector voltage is higher than the base voltage, making the device on and able to deliver the output. In the non-saturation mode, the base voltage is higher than the collector voltage and the device is turned off.

The power dissipation in the device is typically in the range of 15-20 mW and it has an operating temperature range of -55°C to +175°C. The UNR921MJ0L has a noise level of 50dB and its maximum speed is 200kHz. It also has a reverse current protection (RcVcc) feature. This feature prevents reverse current flow when the base voltage exceeds the rated voltage.

The main working principle behind the UNR921MJ0L transistor is that it operates as an amplifier. When the input voltage and current are applied to the base, the collector current is amplified. This is due to the fact that the collector current is dependent on the base current. The current gain is determined by dividing the collector current by the base current and is typically in the range of 10-25.

The UNR921MJ0L transistor can be used in a wide range of applications, such as RF power amplifiers, wireless communications, power converters, high voltage switching circuits, analog signal conditioning, and other power supplies. It can also be used in audio frequency amplifiers and switching circuits for various consumer applications. Additionally, it can be used in control circuits for consumer electronics, such as DVD players, remote controlled toys, and other consumer electronics.

In conclusion, the UNR921MJ0L is an advanced pre-biased transistor designed to offer high performance in a wide range of applications. It is characterized by low operating power and low thermal resistance, making it suitable for applications ranging from low current control to high voltage switching. The device is capable of operating at high speeds and has a low noise level. Additionally, it can be used in audio frequency amplifiers and various consumer applications.

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