Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	15V
Tolerance:	±5%
Power - Max:	200mW
Impedance (Max) (Zzt):	28 Ohms
Current - Reverse Leakage @ Vr:	45nA @ 10.5V
Voltage - Forward (Vf) (Max) @ If:	1V @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-90, SOD-323F
Supplier Device Package:	SOD-323F
Base Part Number:	MM3Z15

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Diodes - Zener - Single

The MM3Z15VC is an economical 4-terminal 12V zener diode marketed by NXP Semiconductors. It is specifically designed to provide effective and regulated voltage protection. The diode is suitable for applications including protection against over-voltage and over-current surges and can function in a wide range of environmental conditions.

Application Field

The MM3Z15VC can be used in a variety of applications, including automotive electronics, telecommunications, and consumer electronics. The diode is especially useful in supplying voltage to a load that requires a stable and regulated power supply, such as power supplies and automatic lighting systems. It can also be used to protect against voltage transients in public safety equipment. In automotive applications, the diode is used to guard against short circuit, reverse polarity and over-voltage conditions. The device supplies a steady 12V for essential functions in automotive systems and helps to ensure that the system does not get shorted out during a power surge. The device is also used in applications where a low-cost and reliable source of regulated voltage is needed.

Working Principle

The MM3Z15VC is a Zener diode. Zener diodes are used in a variety of applications and are typically used to regulate voltage. They function by allowing the current to flow in only one direction, just like a standard diode, but also by allowing a reverse current flow when the voltage reaches a certain value. This is because the reverse current is proportional to the voltage across the diode. Under normal conditions, the diode operates as a standard diode and only allows current to flow in one direction. However, when the voltage across the diode exceeds a certain value, the diode will begin to conduct in the reverse direction, which limits the voltage to the specified value. The MM3Z15VC is rated for 12V and can sustain up to 1.25W of continuous power at a temperature of 250°C. The diode also has a very low leakage current of 0.25uA, making it suitable for applications where power must be conserved.

Conclusion

The MM3Z15VC is a 4-terminal Zener diode providing efficient, cost-effective regulated voltage protection. It is suitable for use in a range of applications, including power supplies, lighting systems, and automotive electronics. The device features low leakage current at 0.25uA, a 12V working voltage, and a power rating of 1.25W. This makes it an excellent choice for applications requiring an economical and reliable source of regulated voltage.

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