Yellow capacitors are generally safety capacitors, mainly produced by Taiwan enterprises, the production is relatively early, and the surface digital laser printing is clear and eye-catching.
Safety capacitor refers to a capacitor that does not cause electric shock and does not endanger personal safety after capacitor failure. Safety capacitors are usually only used for filtering in anti-interference circuits.
The safety capacitor can withstand high voltage, but the capacity is small, generally below 4700pf. To measure its quality can only be measured with a digital multimeter capacitor file, there is a capacity capacity consistent with one good, no capacity or serious numerical inconsistency one bad.