MLR394K400
Radial
28138927-MLR394K400
CAP FILM 0.39UF 10% 400VDC RAD
a substance that is a poor conductor of electricity, but an efficient supporter of electrostatic field s.
The DC Voltage ratings are the AC voltage values times 1.41 (usually rounded).
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
the distance between two baselines of lines of type. The word 'leading' originates from the strips of lead hand-typesetters used to use to space out lines of text evenly. The word leading has stuck, but essentially it's a typographer's term for line spacing.