CZRFR5V1B-HF

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The CZRFR5V1B-HF is a contract-winning product from Vishay Intertechnology and is classified as a single Zener diode. This diode is specially designed for use in reverse breakdown protection applications, and has been manufactured using a glass-passivated chip. The diode is suitable for use in applications with currents ranging from 1mA to 500mA, peaks up to 5A, and voltages ranging from 5.1V to 6.8V. This specific model is designed primarily for use in a wide range of power and industrial electronics applications, as well as control and telecommunications systems. It has a total power wattage rating of 0.75W.The diode also features notable characteristics such as excellent surge performance, a low turn-on voltage, and a low reverse leakage current; all of which lend to its increased performance in protection and noise-suppression applications. Additionally, the diode is capable of providing improved transient protection with its low junction capacitance. The diode also has an extended temperature range for superior performance in extreme conditions.The CZRFR5V1B-HF is a pre-biased diode and its working principle is quite simple. It allows current to flow freely in one direction, while in the other direction, current is blocked unless the voltage across it reaches a certain threshold, called the breakdown voltage. When the voltage does reach the breakdown voltage level, current begins to flow through the device and a Zener breakdown phenomena appears. This is sometimes referred to as the Zener effect, and it results in the diode exceeding its reverse voltage rating but not its power rating – or even melting the diode itself.The diode’s working principle is best demonstrated when providing reverse-breakdown protection in an application. As current flows through the diode, the breakdown voltage level is reached and the diode begins to conduct current in the reverse direction, thus providing protection to the components connected on this side. This current then acts as a shunt, effectively bypassing the higher-than-normal reverse voltage and resulting in a stable system operation.In conclusion, the CZRFR5V1B-HF is a single Zener diode from Vishay Intertechnology that was created for use in a wide range of applications, from power and industrial electronics, to communication and control systems. This diode offers notable characteristics such as excellent surge performance, low turn-on voltage and low reverse leakage current, and extended application temperatures. Its working principle is quite simple, involving current blockage until a certain breakdown voltage is reached, at which point current begins flowing from the anode to the cathode and protection is offered. This diode is well-suited to a range of applications and has been used in countless products since its introduction.

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