BZX84C11W-7 Discrete Semiconductor Products

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Diodes are electronic devices that allow current to flow in one direction while preventing current in the opposite direction. Zener diodes are a type of diode designed to operate in the breakdown region, where a reverse bias voltage causes the diode to become an insulator. This breakdown voltage is constant regardless of the amount of current that passes through it. Single Zener diodes are ideal for protecting circuits from overvoltage or reverse bias applications or for use as voltage references in regulated power supplies.

The BZX84C11W-7 is a series of single Zener diodes manufactured by Bourns Inc. It is built on planar glass technology, with the diode chip being housed in an SOD-123F package. Its typical Zener voltage is 11.0V and it is rated for 0.25W power dissipation. This diode\'s maximum reverse current is 60mA and its peak reverse voltage is 16V. It also has a breakdown voltage range spanning 8V to 11.2V at 10mA.

The main applications of the BZX84C11W-7 are voltage regulation, voltage clamping or reverse voltage protection. In voltage regulation, the device is used to maintain a specific output voltage in the face of varying input and load current. This is done by using the Zener diode to compare the output voltage to its own Zener voltage. As the output voltage increases, the current flow through the diode increases, which causes a voltage drop across the diode. This drop keeps the output voltage at the Zener voltage.

In voltage clamping, the device is used to clamp the output at a specific voltage. When the output voltage goes above a certain value, the diode\'s reverse bias voltage decreases and its breakdown voltage increases, causing a large current to flow through the diode. This current prevents the output voltage from rising further. Clamping is used in various power applications, such as protecting sensitive circuits from overvoltage.

In reverse voltage protection, the device is used to prevent damage to circuits from a reversed power source. When the applied reverse bias voltage reaches the diode\'s breakdown voltage, the diode will become an insulator and limit the current flow to a maximum of 60mA, thus protecting the components from electrical overloads.

In summary, the BZX84C11W-7 is a series of single Zener diodes manufactured by Bourns Inc. It is used for voltage regulation, voltage clamping and reverse voltage protection in power circuits. It is rated for 0.25W power dissipation, with a breakdown voltage range spanning 8V to 11.2V at 10mA and a maximum reverse current of 60mA.

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