ECH-U1124GC9 Capacitors

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Film capacitors, also known as plastic film capacitors, are composed of a flexible plastic film and two electrodes which are usually a combination of metallized and non-metallized layers. ECH-U1124GC9 is a kind of film capacitor. The application field and working principle of it will be introduced in this article.

Application Field

ECH-U1124GC9 is a kind of high-end non-inductive film capacitor with a voltage rating of 400V. It has low ESL and ESL variation over a wide capacitance range. The operating temperature range of ECH-U1124GC9 is -30 degrees to +100 degrees Celsius. Its size is small, the length is 8.7mm and the diameter is 4mm. It is widely used in high-frequency reciprocal circuits, audio-frequency filtering and variation circuits, high frequency networks, high-end television sets, computers, amplifiers, power supplies and other fields.

Working Principle

ECH-U1124GC9 is composed of two layers of metallized and non-metallized dielectric films. It uses a low-structure dielectric film with high electronic stability, flexible positioning and high electro-optical processing accuracy. It is designed with the multiple-concave electrode structure, which helps to reduce the inductance of the capacitor and further improve its temperature characteristics. In addition, ECH-U1124GC9 also adopts a hermetic sealing process, which is capable of effectively preventing the invasion of moisture and dust, so that good performance can be maintained for a long time.

During the operation, the metallized dielectric layer works between two fixed layers of electrodes, forming a capacitor with a capacitance value. An alternating current applied across this element is divided into two parts during its circulation. One part passes through the plastic film, while the other passes through the electrodes. The part that passes through the plastic film is divided by the metal film and its capacitance value. The other part passes through the metal layer, forming a parasitic capacitance between the two electrodes. This is how the capacitor works.

In conclusion, ECH-U1124GC9 is a kind of high-end non-inductive film capacitor with low ESL and ESL variation over a wide capacitance range. It is widely used in high-frequency reciprocal circuits, audio-frequency filtering and variation circuits, high frequency networks, high-end television sets, computers, amplifiers, power supplies and other fields. Its excellent temperature characteristics and hermetic sealing process make it the preferred choice for many applications.

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