Year1
- 材质：
- 铝锌-塑料
- 厚度：
- 3.8-15μm
- 容量偏差：
- ±2%
Polypropylene
Thick zinc-aluminum edge
Film
Product description
A very thin layer of zinc and aluminum metal is evaporated on the surface of the film, which can be obtained from Film for zinc-aluminum metallized capacitors with excellent healing properties.
The biggest feature of metallized films is their self-healing properties, that is, when a breakdown occurs somewhere, the short-circuit current melts and evaporates the metal film around the breakdown site and restores the insulating properties, thus significantly reducing the risk of damage to the paper or film. The impact of penetrating conductive defects and weaknesses on breakdown strength, thereby increasing the working field strength.
The thickness of the metal layer is generally ~. Internationally, the thickness of the metal layer can reach ~ , but from the perspective of heat resistance, priority is given to ~ , and from the perspective of electrical characteristics, priority is given to ~ .
Under the same conditions of evaporated metal, the greater the thickness of the coating, the smaller the square resistance value (/□), the smaller the resistance, and the greater the current it can carry, but the self-healing performance becomes worse.
The zinc-aluminum metallized film adopts edge thickening evaporation method, which greatly reduces the contact resistance of the gold spray layer and core of the film capacitor, and improves the quality of the capacitor.
■ Features
Zinc-aluminum film (/) has good pressure resistance
Zinc-aluminum film (/) has poor moisture resistance and is easy to oxidize
Core
. Material: Plastic
. Width: Film width deviation
3. Inner diameter +
Outer diameter of film roll
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