Quote:
Originally Posted by dewasha
the resistor of 501ohms in chip mc33290 in pins 1 and 4 i not find in stores of my city i found the 560ohm work with mc33290?
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"Typical applications have reverse battery protection by the incorporation of an external 510R pull-up resistor and a diode to battery."
-datasheet
Meaning, the 560R is good enough.