UMZ18KFHTL Discrete Semiconductor Products

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Diodes are a type of semiconductor device that is used to control the flow of electrical current. The UMZ18KFHTL is a zener diode array. It is a type of semiconductor device that is designed to regulate the voltage in an electrical circuit. The UMZ18KFHTL is made up of 18 individual zener diodes, which are connected in a multiple parallel connection.

A zener diode is an electronic component that is designed to be stable at a certain voltage, known as the zener voltage or breakdown voltage. It is typically used in voltage regulation applications, as it is able to maintain a consistent voltage level in the circuit even when there are changes in the load or input voltage.

The UMZ18KFHTL is a three lead chip with two cathode pins and one anode pin. It is constructed from a monolithic chip of silicon, which is then separated into 18 individual miniature diodes. The silicon chip is assembled with a thin film of anti-reflection coating and a layer of protective material which separates the chip from the contacts of the leads.

The UMZ18KFHTL has an operating temperature range of -25C to +105C and a thermal resistance of 4.5K/W. The maximum reverse current of the device is 2mA and the maximum forward current is 2A. The maximum power dissipation is 500mW. The voltage range of the device is 3.2V to 22V. The maximum zener impedance of the device is 5 ohms.

The application of the UMZ18KFHTL is in regulating the voltage of an electrical circuit. It can be used to provide consistent voltage levels even when there are changes in the load or input voltage. The UMZ18KFHTL is particularly useful in audio and video applications, as it can ensure the signal strength is consistent even when the input voltage is changed.

The working principle of the UMZ18KFHTL is based on the zener breakdown effect. When the anode is connected to the higher voltage and the cathode is connected to the lower voltage, the device will start to behave as a diode with a constant voltage drop across it. This is known as the reverse breakdown voltage. The voltage drop across the diode will remain constant even when there is a change in voltage at the anode. This ensures that the output voltage remains constant even when the input voltage changes.

The UMZ18KFHTL is a versatile and reliable device that is used in a wide range of applications. It is used to regulate the voltage in an electrical circuit, ensuring a consistent output voltage even when the input voltage varies. It is also used in audio and video applications to ensure a consistent signal strength even when the input voltage changes.

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