MM3Z15VST1G

The MM3Z15VST1G is a Zener diode manufactured by ON Semiconductor, designed for voltage regulation and protection applications. Here’s a detailed description of its key features and specifications:

General Description:

The MM3Z15VST1G is a surface-mount Zener diode that provides a stable reference voltage of 15 volts. It is part of the MM3Z series, which is known for its reliability and efficiency in various electronic applications. This component is particularly useful in circuits requiring voltage clamping or regulation.

Package:

• Type: SOT-23
• Dimensions: The SOT-23 package is compact, making it suitable for space-constrained applications. The typical dimensions are approximately 2.9 mm x 1.3 mm x 1.1 mm.
• Mounting: Surface mount technology (SMT) allows for easy integration into printed circuit boards (PCBs).

Electrical Characteristics:

• Zener Voltage (Vz): 15V at a test current (Iz) of 5 mA. This is the voltage at which the diode will conduct in reverse bias, providing regulation.
• Zener Impedance (Zz): Typically around 5 ohms at 5 mA, indicating the diode's ability to maintain a stable voltage under varying current conditions.
• Reverse Current (Ir): The maximum reverse current at the Zener voltage is specified, ensuring that the diode can handle the expected load without failure.
• Power Dissipation (Pd): The maximum power dissipation is typically around 500 mW, allowing it to handle significant power without overheating.

Features:

• Low Leakage Current: The MM3Z15VST1G exhibits low reverse leakage current, which is crucial for maintaining efficiency in low-power applications.
• Temperature Stability: The Zener voltage is stable over a wide temperature range, making it suitable for use in various environmental conditions.
• Fast Response Time: The diode responds quickly to changes in voltage, providing effective protection against voltage spikes.

Applications:

• Voltage Regulation: Used in power supply circuits to maintain a constant output voltage.
• Transient Voltage Suppression: Protects sensitive components from voltage spikes and transients.
• Signal Clamping: Limits the voltage levels in signal processing applications to prevent damage to downstream components.

Compliance and Standards:

The MM3Z15VST1G is compliant with various industry standards, ensuring its reliability and performance in commercial and industrial applications. It is also RoHS compliant, indicating that it is free from hazardous substances.

Conclusion:

The MM3Z15VST1G from ON Semiconductor is a versatile and reliable Zener diode suitable for a wide range of electronic applications. Its compact size, stable voltage characteristics, and robust performance make it an excellent choice for designers looking to implement effective voltage regulation and protection solutions in their circuits.