How to detect fast recovery, ultrafast recovery diode?

How to detect fast recovery,ultrafast recovery diode?

The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode.The positive resistance is small,and the reverse resistance is still infinite. When the digital meter is used,the forward voltage value can be displayed 0.1 to 0.5 V.Reverse infinity. About the determination of whether the pipe is a common or common type structure,and the detection method of the same half bridge component.

What is a voltage regulator diode?

Zener diode is essentially a special diode, using reverse breakdown characteristics to achieve voltage regulation,so it is called zener diode.From the volt ampere characteristic curve of the voltage stabilizer shown in Figure,it can be seen that the voltage stabilizer diode uses PN junction reverse breakdown,and the terminal voltage is basically guaranteed to be in a certain range,and the principle of the voltage restorer is the same.Method.As long as the reverse flow does not exceed the longest working current IZM,the voltage regulating diode will not be damaged.

What are the main parameters of the regulator diode?

Stable voltage and voltage regulator Vz stable voltage is the voltage that remains the same at both ends when working normally.Different models have different voltage regulators.

Stable current Iz stable current is the normal operating current in the range of voltage regulation.

the maximum stable current, the maximum stable current,is the maximum current that is allowed to be passed over a long period of time.The actual operating current should be less than the IM value,otherwise the regulator tube is easy to burn out.

Maximum allowable dissipative power The maximum allowable dissipation power of PM refers to the maximum allowable value of power consumed by the tube itself when the reverse current is passed through the regulator.