ZM4745A-GS08 Discrete Semiconductor Products

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The ZM4745A-GS08 is a single zener diode that is used for applications such as voltage regulation, voltage surge protection, and voltage clamping. It is available in a TO-220 package, and is rated for a maximum power dissipation of 1.25W.

The ZM4745A-GS08 typically operates with a reverse voltage of 4.7V and a forward current of 4.8mA. The maximum reverse current is 10mA. It also has a forward voltage drop of VF and a power rating of Pmax. The device is rated for a maximum junction temperature of 125°C.

The working principle of the ZM4745A-GS08 lies in its ability to regulate the current passing through it when the voltage across it is higher than the breakdown voltage of 4.7V. When reverse bias is applied at this voltage, a Zener breakdown occurs, allowing the current to pass through the diode. The current passing through the diode is limited and is regulated by the Zener voltage.

The ZM4745A-GS08 is ideal for applications that require a stable output voltage, such as power supplies and dc-to-dc converters. It is also suitable for use in voltage clamping and voltage protection circuits. In these applications, it acts as a back-up protection device that can limit the maximum voltage applied across a component or a circuit.

In addition, the ZM4745A-GS08 can also be used in voltage reference and temperature sensing circuits. These circuits use the Zener breakdown voltage to accurately measure and monitor temperatures, without being affected by any external voltage changes. The Zener voltage of the ZM4745A-GS08 is very stable over a wide range of temperatures, making it an ideal choice for applications requiring a reliable voltage reference.

From applications such as voltage regulation and voltage protection, to temperature monitoring and voltage reference, the ZM4745A-GS08 is a versatile device that caters to the needs of a variety of applications. Its convenient TO-220 package and robust construction make it suitable for use in a wide range of environments, making it an ideal choice for designers looking for dependable and economical solutions.

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