2 ms·
Some physically smaller resistors are marked 2k2 instead of 2.2k, because this requires less space for the marking and it also avoids ambiguities that could hap
by adrian_b 2y ago
Some physically smaller resistors are marked 2k2 instead of 2.2k, because this requires less space for the marking and it also avoids ambiguities that could happen when the decimal point is too small or erased and 2.2k could be misread as 22k.
- kragen 2y agoRed red red gold takes less space than that; it's only four pixels, though most of us have never seen a resistor marked with spots instead of stripes.
- adrian_b 2y agoI agree, but for some reason the marking with color stripes or points appears to have gone out of fashion. Perhaps the colored marking was more expensive or the marking equipment was slower than what is used now.
- kragen 2y agoI think color codes require less manufacturing precision but more colors.