MMSZ5248C-HE3-08

MMSZ5248C-HE3-08 Application Field and Working Principle

MMSZ5248C-HE3-08 diodes are a type of single, temperature compensated Zener diodes. The MMSZ5248C-HE3-08 diode series has an operating temperature range of -55°C to +125°C, with a maximum Zener voltage range of 24V for high stability over temperature and a maximum Zener current rating of 400mW.

Application Fields and Working Principles

MMSZ5248C-HE3-08 diodes are commonly used for voltage regulation, waveform duplication and signal clamping applications. The Zener effect is the main application of the MMSZ5248C-HE3-08 diodes and can be used to provide a long term, temperature compensated voltage as well as to create a stable reference voltage source. In waveform duplication applications, the diodes can be used to reproduce a waveform while maintaining a stable voltage on the output.

The working principle of the MMSZ5248C-HE3-08 diode is based on Zener breakdown. The intrinsic characteristic of the MMSZ5248C-HE3-08 diode is that when the diode is forward biased, Zener breakdown occurs at a single given voltage. This breakdown voltage is called the Zener voltage (Vz), and it is a constant value over temperature. The Zener voltage is determined by the doping characteristics of the P-N junction and can be designed to be at any required value. When the fixed Zener voltage is reached, a large reverse current begins to flow through the diode, creating a voltage regulated path.

The MMSZ5248C-HE3-08 diodes also feature a temperature compensation characteristic which ensures the output voltage remains stable over temperatures ranges. This temperature compensation is achieved by the addition of an internal resistor which counteracts any variation in Zener voltage over the temperature range. The temperature coefficient of the MMSZ5248C-HE3-08 diode is typically around 2mV/°C, ensuring a high level of accuracy and stability over temperature for any given Zener diode.

Conclusion

MMSZ5248C-HE3-08 diodes are a type of single, temperature compensated Zener diodes which can be used for voltage regulation, waveform duplication and signal clamping. They are designed to provide a stable reference voltage over temperatures ranges and feature a temperature coefficient of 2mV/°C for higher accuracy and stability. The working principle of the diode is based on Zener breakdown, whereby a large reverse current begins to flow through the diode creating a voltage regulated path.