DINGFENG CAPACITOR - - Brief description of the lighting industry's requirements for CBB capacitors
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- Issue Time
- Jun 30,2020
Summary
Metal film CBB capacitors have high reliability and self-healing. As long as the circuit design is reasonable and the specifications are selected correctly, the capacitor is not easily damaged...
1. The product quality must be stable and reliable without failure.
Metal film CBB capacitors have high reliability and self-healing. As long as the circuit design is reasonable and the specifications are selected correctly, the capacitor is not easily damaged.
2. The resistance-capacitance buck capacitor must not have obvious capacity attenuation.
The power supply using the resistance-capacitance buck scheme is a relatively low-end product. The purpose is to save the transformer and save costs. However, this scheme has very high requirements for capacitors used for RC and buck. Resistor-capacitor buck requires constant charging and discharging of the capacitor. The probability of capacity decay for such a long-term operation of the capacitor will be great.
3. Pay attention to the temperature characteristics of CBB capacitors.
LED lighting products include bulb lamps, fluorescent lamps, street lamps, industrial and mining lamps, etc. After the lamp is lit, the temperature of the lamp beads will soon rise to above 80 degrees. Therefore, the high temperature requirements for capacitors are very high.
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