SMBG5937AE3/TR13

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Diodes are electrical components that allow the flow of electrical current in only one direction. Zener diodes are a special kind of diode that have the unique ability to operate in reverse bias, allowing them to provide a steady current flow regardless of the direction of the current. SMBG5937AE3/TR13 is a single Zener diode that belongs to this type of diode. In order to understand the application field and working principle of this single Zener diode, it is important to understand its technical specifications and operating conditions.

SMBG5937AE3/TR13 is a single Zener diode with a zener voltage of 13V and a marking code of CY. It has a maximum power dissipation of 500mW and a power derating of 2.20mW/K. It has a reverse leakage current at 25°C of max. 10μA, a forward voltage of max. 0.9V, and a surge forward current of max. 200mA. This single Zener diode is constructed of a PN junction and it has a Zener breakdown voltage in the range of 5-13V. Additionally, it has an avalanche breakdown voltage of 30V and a reverse breakdown voltage of 13V.

This single Zener diode is suitable for applications such as voltage clippers or suppressing surges/spikes. It is also well-suited for use as a reversed bias diode in DC circuits or as a series reference element for DC to DC converters or power supplies. Its primary application field is for the protection of electrical and electronic components from voltage spikes and other transient voltage related problems.

The working principle of the SMBG5937AE3/TR13 single Zener diode is based on the Zener effect. It works by allowing electrical current in both directions, but provides a steady and constant current flow in one direction. When operating in reverse bias, the diode can act as a short-circuit that offers a very low output impedance. During reverse bias operation, when the voltage across the diode exceeds its Zener breakdown voltage, it conducts the current to more closely maintain the voltage, allowing it to act as a sort of voltage regulator.

Therefore, the SMBG5937AE3/TR13 single Zener diode is well-suited for applications that protect electrical and electronic components from voltage spikes and other transient voltage related problems. It operates through the Zener effect and can provide a steady and constant current flow in one direction. It is highly reliable and provides long term stability in a wide range of temperatures. As such, it can be used in many different types of circuits and applications.

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