BZD17C18P RUG

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The BZD17C18P RUG is a single Zener diode designed to provide protection against transient overvoltage and surges in a wide array of applications. The diode is mainly suited to industrial, automotive, portable and audio-visual applications and works by providing a low voltage low resistance current path that is connected in parallel with the device requiring protection.

When the voltage across the diode exceeds the diodes rated peak surge voltage level (the Zener voltage), the diode is slowly turned on through a method known as Zener breakdown. Zener breakdown works by using an applied voltage which is larger than the Zener’s reverse breakdown voltage, which in turn, causes the depletion region between P-N junction to increase and forms a low voltage conducting channel.

This low voltage conducting channel results in forward current flow, which helps dissipate the excess amount of energy in the form of heat. The voltage at which this process begins depends upon the doping level of the diode which can range from a few volts to kilovolts.

The BZD17C18P RUG is specifically designed to operate at a peak surge voltage of 18VPP. Additionally, its maximum power dissipation of 400 mW ensures sufficient thermal protection against power surges. The diode also exhibits good linearity with its reverse current rising linearly when its reverse voltage increases.

The BZD17C18P RUG is utilized in AC to DC converters and other electronic devices that require transient protection from overvoltage and power surges. In AC to DC converters, the diode acts as a shunt element in parallel with the DC bus. When a voltage higher than 18VPP is applied to the diode, it will turn on and start conducting current. This current will now be dissipated in the form of heat within the diode, minimizing the chances of overvoltage on the DC bus.

The BZD17C18P RUG is also used in automotive systems to prevent overvoltages from appearing in the wiring system. During engine starting, large voltage surges may appear in the system, which can cause damage to the electrical components. By placing a Zener diode across sensitive components, the diode will turn on and dissipate the extra voltage in the form of heat, which in turn reduces the voltage across sensitive components.

The BZD17C18P RUG is also designed to protect sensitive audio-visual equipment. In these systems, transient overvoltages may damage sensitive components like amplifiers, speakers and other components. The diode works by dissipating excess energy in the form of heat, reducing the risk of damaging the audio-visual components.

Overall, the BZD17C18P RUG is a reliable Zener diode that is used in a range of applications to provide protection against transient overvoltage and surges. It works through a method known as Zener breakdown, where an applied voltage that is larger than the Zener’s reverse breakdown voltage, causes the depletion region between P-N junction to increase and forms a low voltage conducting channel, which then dissipates the excess amount of energy in the form of heat.

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