1N4961US

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The 1N4961US is a single Zener diode, a type of diode present in devices for rectifying and regulating electrical signals. This component performs two distinct functions in electronic circuits: as a Zener diode (constantly regulating voltage) and as a standard diode (preventing current flow in one direction).

A Zener diode is a form of diode designed to polarize in the reverse direction when a certain voltage is reached or exceeded. This voltage is the diode\'s breakdown voltage or reverse breakdown voltage, depending on the circuit. This function allows the diode to be used as a voltage regulator or a controlled rectifier, in which the diode\'s breakdown voltage acts as the circuit\'s reference voltage. This type of diode is also useful in voltage clamp circuits, providing a way of restricting excess voltage.

The 1N4961US is a component used in voltage regulating and voltage clamping applications. It is similar to other Zener diodes in the family, but with a specific breakdown voltage of 5.6V. The model number reflects this breakdown voltage, the "49" indicating 5.6 and the "61" indicating 6.1. The maximum power dissipation for the device is 100mW. The 1N4961US is a surface-mounted component with a case style of SOT-223. It works with a maximum reverse voltage of 5.6V and a continuous forward current of peak 1A.

The operation of the 1N4961US is very simple. In normal forward-bias conditions, current is allowed to flow in a single direction, in much the same way as a standard rectifier diode. Once the breakdown voltage is reached or exceeded, the 1N4961US will switch to reverse bias, allowing current to flow in both directions. This action helps to prevent a voltage spike on the circuit, thus regulating the voltage and mitigating various possible risks.

The 1N4961US is specifically designed for use in circuits requiring the stabilization of voltage, often in the form of an isolated power supply or protection from surge voltages. It can also be used in digital circuits for switch control and for simple applications such as LED power control. In short, the 1N4961US is a versatile and inexpensive Zener diode for regulating, regulating and controlling the current flow of a circuit.

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