PRODUCT DESCRIPTION
Electrical Characteristics:
X2 capacitors are made of metallized polypropylene film as dielectric and electrodes, with high temperature resistant olefin shell and epoxy resin package. The product has high resistance to external electrical interference, high reliability, and good self-healing characteristics, and has better safety protection.
Product Structure Chart:
Production Process:
Application Area :
Widely used in power cross-line noise reduction and interference suppression circuits, and AC occasions.
Electronic instruments and electronic equipment powered by grid power, switches, contacts and other parts that generate spark discharges.
Electric tools, lighting, hair dryers, water heaters and other household appliances.
Certifications :
*FAQ:
What is the classification of safety capacitors?
There are two types of safety capacitors: X capacitors and Y capacitors. X capacitors are capacitors connected between the two power lines (L-N), and metal film capacitors are generally used; Y capacitors are respectively connected between the two power lines and the ground (L-E, N-E) capacitors, generally appear in pairs. Based on the limitation of leakage current, the value of Y capacitor should not be too large. Generally, the X capacitor is of uF level, and the Y capacitor is of nF level. The X capacitor suppresses differential mode interference, and the Y capacitor suppresses common mode interference.
Why is the capacitance of the Y capacitor generally smaller than that of the X capacitor?
The capacitance of the Y capacitor must be limited, so as to achieve the purpose of controlling the size of the leakage current flowing through it under the action of the rated frequency and rated voltage and the impact on the EMC performance of the system. GJB151 stipulates that the capacitance of the Y capacitor should not be greater than 0.1uF. In addition to complying with the corresponding power grid voltage withstand voltage, the Y capacitor also requires a sufficient safety margin in terms of electrical and mechanical properties to avoid breakdown short-circuit phenomenon under extremely harsh environmental conditions. Protecting personal safety is of great significance.
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