B57464S109M
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40509782-B57464S109M
Inrush Current Controllers 2-Pin
the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.
Current rating is the maximum current that a fuse will carry for an indefinite period without too much deterioration of the fuse element.
a count of all of the component leads (or pins)
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.