MTZJT-7239C

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Established as a subsidiary of the well-known Mitsubishi electrical components supplier, MTZJT-7239C is a single Zener diode that has gained great popularity in the market due to its wide range of application fields and reliable working principle. It is considered an ideal choice for voltage regulation and clamping applications, given its exceptional performance.

Coming in a compact SOT-23 package, this single Zener diode offers low forward voltage drop for maximum power saving and stability. It is rated at a maximum reverse voltage of 7.0 volts, with a standard tolerance of ±20 mV and IZT ratings ranging from 5 mA to 40 mA. Additionally, it comes with the country of origin code that guarantees its authenticity.

MTZJT-7239C provides an ideal solution for both low and high current sensing, such as when it is used as a regulator in power supplies, lighting applications, and precision control circuits. Furthermore, its thermal warning feature allows the device to detect temperature variation and trigger shutdown in case of a thermal failure. This ensures optimal safety and performance of the device.

The working principle of MTZJT-7239C is based on the Zener Breakdown. The Zener Breakdown is a process that takes place when the voltage across a reverse biased diode reaches a given value, the Zener Voltage, which leads to a sharp increase in current. The current increases until it reaches its rated value, where it stabilizes. What happens in Zener Breakdown is that the energy absorbed from the cathode creates electron-hole pairs and as the electrons accumulate near the anode, a strong electric field is created, allowing for the current flow.

The MTZJT-7239C is definitely a reliable and efficient choice for regulating, clamping and power saving. It is capable of providing a steady and accountable current supply with low noise and excellent ESD protection. Plus, the Zener Breakdown reduces power consumption and keeps the circuit stable in face of fast varying load currents and transients.

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