BZX79-B9V1,143

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The BZX79-B9V1,143 is a Zener diode, which is a type of diode that permits electric current to flow from one electrode to another. It is termed a “blocking” diode because it prevents the current from flowing backwards, thus keeping the circuits safe. This device is a single diode, meaning it is composed of one PN (positive/negative) junction. It has a maximum power dissipation rate of 500 mW, with a maximum forward current of 1mA and a reverse current of 100uA. It has a voltage drop of 9.1V and a tolerance of -5% to +5%.

The main application area of the BZX79-B9V1,143 is as a voltage regulator in current-sensitive circuits. It can be used as a voltage reference, load sharing, and a current limiter. It also has applications in overload protection, voltage clamping, and surge protection. The BZX79-B9V1,143 is widely used in the power supply for industrial equipment and in the automotive industry.

The diode functions through a process known as the Zener Breakdown, which is when a non-conductive layer of silicon is depleted so that electrons can move freely from the P-type material to the N-type material. This creates a flow of electrons from cathode to anode, which is known as a Zener Breakdown. This process occurs in the reverse bias mode when the voltage exceeds the Zener Breakdown voltage. The voltage drop between the anode and the cathode is 9.1V and is relatively consistent over temperature and time.

The BZX79-B9V1,143 also works to limit current through the use of the avalanche effect. When the voltage reaches the breakdown voltage, the electric field increases until the electrons that break down the silicon accelerate. This then cause a rapid increase in current until a certain point where it stabilizes again. This current stabilizing effect of the BZX79-B9V1,143 is beneficial in current-sensitive circuits as it reduces the flow of current, thus protecting the circuit.

The BZX79-B9V1,143 is widely used for its current stabilizing and voltage regulating applications. It is a popular device for use in industrial and automotive equipment. It is also known for its tolerance with respect to temperature and time. It is compact, lightweight, and easy to use. Furthermore, it can be purchased at a relatively low cost.

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