MMSZ5248B-G3-18

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MMSZ5248B-G3-18, classified as Diodes - Zener - Single, is a popular Zener diode designed for the purpose of protecting circuits from overvoltage and providing voltage regulation. The 18V zener diode has a positive power rating of 260mW and is used extensively in the electronic industry.

MMSZ5248B-G3-18 diodes are widely used to provide voltage regulation, including in the design of power supplies, telecom equipment, and automotive electronics. It is also used in numerous applications where there is a need for voltage clamping or current limiting, such as in the protection of data lines in digital-to-analogue converters and for general protection in automotive circuits.

The MMSZ5248B-G3-18 is fabricated from a silicon-based material, and consists of two parts; an anode and a cathode. The anode is the positive terminal of the diode and the cathode is the negative terminal. The diode has a very low forward voltage drop (VF) of 0.4V, which means it can be used in a wide range of applications where minimised power consumption is important.

The working principle behind the diode is relatively simple. When the diode is forward biased (positive voltage to the anode and negative voltage to the cathode), current can flow through the diode, resulting in a forward bias voltage drop (VF). When the voltage exceeds the Zener voltage rating of the diode, the diode is reversed biased and the Zener current starts to flow. This is because the reverse bias voltage exceeds the avalanche breakdown voltage of the diode and together with the Zener current, the reverse bias voltage is clamped to a specific level, determined by the Zener voltage rating.

The MMSZ5248B-G3-18 diode has a wide range of operating temperature from – 55°C to + 125°C, making it suitable for a wide variety of operating environments. The diode can also tolerate transient voltages up to 200V, making it suitable for a variety of power applications.

In summary, the MMSZ5248B-G3-18 is an effective and reliable Zener diode, widely used in various applications in the electronic industry. With its low VF, wide operating temperatures and wide range of VZ ratings, the diode is a popular choice for many applications.

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