electrolytic capacitor high voltage isolation

Description

electrolytic capacitor high voltage isolation Features And Applications

Electrolytic capacitor high voltage isolation is a silicon dioxide capacitor dielectric composed of multiple layers, each layer being a typical construction of an integrated circuit. Each layer is a silica deposited using a chemical vapor deposition process. Chemical vapor deposition is an atomic molecule deposition process for forming a silicon dioxide film. Before adding the second layer to the other layers, we will polish the first layer using a chemical mechanical polishing planarization process to achieve better adhesion between the two layers. The result is a very thick silicon dioxide capacitor with an overall thickness of over 10.5 microns for high isolation voltage capability.
One of the best tests to test this performance is the breakdown voltage test, or a slow rise to breakdown voltage test. In this test, a high AC voltage is applied from left to right. This voltage is incremented at a rate of 1kV RMS per second until a breakdown occurs. When breakdown occurs, the breakdown voltage is recorded. This process is repeated on a large number of devices. Through statistical analysis of these devices, we can evaluate the performance of the technology relative to the rating. The average breakdown voltage of the XUASN capacitor is higher than 14kV RMS. This is much higher than the nominal isolation voltage of 5.7kV RMS.
A better method for judging how much this performance is higher is the CPK indicator. A CPK of 1 indicates that the data is higher than the isolation requirement of 3 sigma. A CPK of 2 indicates that the data is higher than the isolation rating of 6 sigma. Our data set has a CPK greater than 6. The CPK is measured under production test conditions and is 20% higher than the isolation rating.

electrolytic capacitor high voltage isolation 15uf450v Parameter

Type: Long Life Electrolytic Capacitor
Colour：Black Shell And Golden Font
Product Number：XLS150M2WD13L25B
Capacitance: 15uF(150)                                  
Rated Voltage:450V(2W)
R.C:107mArms      
Tanδ：0.2  
Endurance(105°C):8000h                                                                   
Size(D*L): 13*25mm                         Solder Pin:5.0mm                     Weight:5.6g
Packing:Bag Packing(B) Or Taping Package(T)

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