MMBT3904LP-7B

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

A MMBT3904LP-7B is a small general-purpose NPN BJT transistor designed for audio amplification and signal switching applications. This device is well-suited for use in low-voltage, low-current applications as it is able to deliver high gain and low power dissipation.

The MMBT3904LP-7B is a single NPN bipolar transistor with an active collector-base junction and an inactive emitter-base junction. The device operates in the active region, meaning that it can be used as an amplifier or as a switch. In either application, the transistor\'s working principle is the same.

When a small current is applied to the base of the transistor, it creates an amplified current flow from the collector to the emitter. This is due to the transistor\'s gain, which is a function of the ratio between current and voltage. When the current is reduced, the gain decreases, thereby reducing the amplified current. Therefore, when used as an amplifier the transistor can be used to increase the signal strength of an incoming signal or to reduce the strength of a signal for a variety of applications.

When used as a switch, the transistor\'s main purpose is to control the flow of electricity in a circuit. To do this, a predetermined amount of current is applied to the base of the transistor, switching the transistor between its on and off states. This on/off state can be used to control other components in the circuit or to control the power supply to an array of components.

The MMBT3904LP-7B is a versatile single NPN transistor that is well suited for use in low-voltage, low-current applications. The device is highly capable of delivering amplified signals and switching power supplies to other components in a circuit. Therefore, it finds its uses in a variety of areas such as audio amplification, signal switching, automotive applications, low-power digital circuits, and more.

The specific data is subject to PDF, and the above content is for reference