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Custom Self Healing Film Capacitors

Short Description:

Film capacitors are excellent capacitors due to their many excellent properties. Film capacitors are widely used in analog circuits. Especially in the part of signal connection, it is necessary to use capacitors with good frequency characteristics and extremely low dielectric loss, so as to ensure that the signal will not be too distorted during transmission.


Product Detail

Product Tags

Features
Non-inductive type, with self-healing properties
Low loss, high insulation
High temperature resistance, small size and large capacitance.
Very low internal temperature rise
Flame retardant epoxy powder encapsulation.

 

Structure

film capacitor structure

 
Applicant

Film Capacitor Applications
It is widely used in frequency division circuits of audio systems, and is suitable for AC and DC circuits such as instruments, meters, and household appliances.

 
Certification

Certifications
FAQ
What does self-healing in film capacitors mean?
Self-healing characteristics of metallized film capacitors: When the metallized film capacitor breaks down due to the existence of a bottle point in the dielectric, an arc current will be generated immediately at the breakdown point, and this current density is concentrated at the middle point of the breakdown. Due to the thinness of the metal layer, the heat generated by this current is sufficient to melt and vaporize the metal near the breakdown point. A metal-free area is formed to restore the insulation between the capacitors, so that the capacitors can resume normal operation. The capacitance of the capacitor will decrease slightly after self-healing, but generally it will not affect the normal work.


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