DDZ9712T-7

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Diodes - Zener - Single applications are widely used in electrical and electronic circuits. The DDZ9712T-7 is a single diode developed as a rugged and reliable diode for a variety of applications. This diode is used in many areas including automobiles, consumer electronics, home appliances, lighting, telecommunication and medical applications.

This particular device is designed for voltage regulation and is ideal for over-voltage protection, low to medium residential supply, power line, and generator protection needs. The DDZ9712T-7 can also be used in DC-to-DC converters, switching power supplies, high-performance audio applications and as amplifier clippers.

This diode is capable of high-temperature operation so it has the capability of withstanding harsh environmental conditions. It is able to maintain a highly dependable breakdown voltage level of 7.2 volts and a zener voltage tolerance up to ±5%. It has a low leakage current of 1 uA in reverse bias and a reverse recovery time at less than 25ns.

Its maximum power rating is; 0.5 watts at a maximum ambient temperature of 70C and 0.25 Watts at an ambient temperature of 85C. This device has a wide range of working temperatures, being able to operate from -55C to + 175C in dry conditions.

The DDZ9712T-7 working principle lies in the ability of the junctional semiconductor material to officially regulate its breakdown voltage and maintain it at a constant level. Under reverse bias, when the applied voltage reaches the breakdown voltage level, the diode will break quickly and draw a large current, providing protection to the circuit connected to it.

When the applied voltage reaches the zener voltage level, the current drawn by the device remains constant. This constant current is known as the zener current and is prevented from increasing by the zener resistance zr, which is connected in parallel to the device. As a result, at the breakdown voltage, the device acts as a normal diode and is referred to as a zener break-down diode.

The DDZ9712T-7 is able to maintain its breakdown voltage level over a wide temperature range and over long periods of time. This makes the device highly reliable and long lasting, offering superior performance and protection in the power circuit. This diode can also be used in series regula— applications and in oscillation circuits, which makes it even more versatile.

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