SZMMSZ5265BT1G Discrete Semiconductor Products

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Diodes - Zener - Single

The SZMMSZ5265BT1G is a single zener diode designed to provide effective voltage regulation and stabilization. Zener diodes are used most commonly as voltage-referenced breakdown elements in DC circuits, active components in regulated power supplies, and temporary overvoltage protection. This device is particularly suited for applications requiring a voltage of 5.2V and a power rating of 200mW.

Application Field

The SZMMSZ5265BT1G is commonly used for voltage regulation and protection in consumer electronics, automotive applications, and communication systems. Due to its low power rating, it is not suitable for applications requiring high voltage and power levels. It can also be used in systems which require voltage clamping, but must be combined with additional circuitry for this purpose.

Working Principle

Zener diodes allow current to pass through them in the forward direction under normal conditions, but when the voltage across the terminals goes beyond a certain value known as the zener breakdown voltage, the diode starts to conduct in the reverse direction. This allows the voltage across the diode to remain constant, even if the input voltage varies. Furthermore, the amount of current which can pass through the diode in the reverse direction can be limited using an external resistor. This helps protect the diode as well as the rest of the components in the system.

The SZMMSZ5265BT1G has a breakdown voltage of 5.2V and requires a reverse current of 200uA for normal operation. The device also has a maximum power rating of 200mW, and an internal thermal protection feature which shuts off the device in the event of an over-temperature condition. Finally, the device has a maximum forward current rating of 125mA at a forward voltage of 1V.

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