ZM4740A-GS18 Discrete Semiconductor Products

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Diodes play an essential role in today\'s electronics and are essential components in many circuits. Zener diodes are a special type of diode with a low breakdown voltage that allow current to flow in both directions. The ZM4740A-GS18 is a single Zener diode, widely used in electronics applications due to its exceptional power handling and reliability.

The ZM4740A-GS18 has an average forward voltage of 1.81V and a reverse breakdown voltage of 4.7V, allowing it to regulate current flow in both directions. The diode is constructed with a housing made from plastic, between which the junctions are fabricated with electronic-grade silicon. The diode is assembled with gold bond wires that ensure reliable connection to the circuit board and serve to minimize contact resistance. Additionally, the ZM4740A-GS18 is also compliant with RoHS standards, due to its Pb-free construction.

The ZM4740A-GS18\'s small size and low voltage rating makes it ideal for use in compact power solutions, such as portable electronics, medical devices and communications equipment. Additionally, its high current handling capabilities, up to 600mA, make it useful in high-power applications such as automotive systems and UPS systems. Its low ripple current and low reverse leakage current is also beneficial in these applications.

The ZM4740A-GS18 works by establishing two junctions, an anode and a cathode. When a voltage is applied between these junctions, the voltage applied is much lower than the breakdown voltage. This low voltage causes the current to flow through the diode as it passes from the anode to the cathode. Once the current reaches a level where the voltage applied is equal to the breakdown voltage of the diode, the current flow is limited, allowing it to be regulated in both directions. This is known as the Zener effect and is utilized by Zener diodes.

The ZM4740A-GS18 is an excellent choice for applications requiring tight regulation of current flow over a wide range of voltages. Its low breakdown voltage and high current handling capabilities make it suitable for many types of power systems and other electronics applications. The diode is also robust and highly reliable, with a long service life.

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