1SMB5928 M4G

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Diodes - Zener - Single

1SMB5928 M4G devices are Zeners diodes, which are a type of diode consisting of a single semiconductor p-n junction. This type of diode is specifically designed to have a reverse breakdown voltage of 5.9V, within the voltage range of 3V to 75V, and it has a maximum power dissipation of 500mW at +25°C. The 1SMB5928 M4G is housed in a hermetically sealed, low profile, epitaxial planar, all plastic surface mount package, making it suitable for use in thin, compact consumer electronics.

Applications

The primary application for 1SMB5928 M4G devices are voltage regulators and other voltage supervision circuits. These devices are generally used to provide over-voltage and under-voltage protection in a circuit. They are mainly used in low noise applications, since they provide low noise in the voltage regulation. Other applications include protection against short-circuit, overload and surge protection circuits, automotive regulation, electrical and power supplies, medical devices, and in the telecommunications industry.

Working Principle

The Zener diode, by design, will conduct in the reverse bias mode when the reverse voltage across the diode reaches the Zener breakdown voltage VZ. During normal forward bias operation, no current will flow and the diode will act like an open-circuit, blocking current from passing. This high reverse breakdown voltage, provided by the 1SMB5928 M4G, allows the device to protect against transient voltages, which could otherwise damage other components in the circuit. When a high transient voltage is encountered, the 1SMB5928 M4G will then conduct a small amount of current and divert it away from other sensitive components. This device is also able to provide voltage stabilization by clamping the output voltage of a circuit to a level below the Zener breakdown voltage.

Features

• Ideal for use in voltage regulator and voltage supervision circuits
• All plastic surface mount package in a low profile design
• Reverse breakdown voltage of 5.9V with a voltage range of 3V to 75V
• Offers high maximum power dissipation of 500mW at +25°C
• Ideal for low noise applications due to its low noise voltage regulation
• Provides over-voltage and under-voltage protection in a circuit

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