UMZ6.8NT106 Discrete Semiconductor Products

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The UMZ6.8NT106 is a Zener array composed of six Zener diodes in a common cathode configuration. It is designed to be applied in applications where high voltage surge protection and reverse breakdown voltage precision are required. The UMZ6.8NT106 is also ideal for use in voltage-level shifting and voltage regulation.

The UMZ6.8NT106 is an array of six Zener diodes, each with a tolerance of ±3%. The first five diodes are tied together in series, and the sixth Zener is tied to the common cathode. Each Zener has a reverse breakdown voltage of 6.8V and a power dissipation of 0.5W. The maximum clamping voltage is 15V.

In a typical application, the associated circuit must be designed such that the forward voltage drop across each diode does not exceed 0.5V. To ensure precise control over the breakdown voltage, the UMZ6.8NT106 array should be mounted onto a suitable heatsink with a thermal resistance of less than 8K/W. The array is rated for operation temperatures up to +150°C.

The working principle of the UMZ6.8NT106 is straightforward. The six Zener diodes make up a circuit designed to absorb high voltage surges, maintain a precise reverse breakdown voltage, and provide a regulated output. When a surge is detected, the diodes will conduct current across the array. The Zener diodes have a reverse breakdown voltage, based on the junction temperature, of 6.8V, which is maintained by the common cathode.

As the voltage across the array rises, current is conducted through the diodes, and this initiates the breakdown process. As the current passes through the diodes, energy is dissipated, resulting in a reduction in the voltage applied to the array. This is how the UMZ6.8NT106 provides voltage regulation and surge protection.

The UMZ6.8NT106 can be used in a variety of applications, including DC-DC converters and power supplies, microcontrollers and embedded systems, automotive electronics and more. Additionally, the voltage regulator can be used to reduce electromagnetic interference (EMI) in sensitive electronic systems.

The UMZ6.8NT106 is a useful and reliable tool for engineers who need to regulate voltage or protect against high voltage surges in their designs. Its small profile, low power consumption, and precise regulation make the UMZ6.8NT106 an attractive option for many applications.

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