Have you come across why some resistors (usually 1/2 watt and below) were soldered directly on the board while to some resistors (usually 1 watt and above) the manufacturers purposely let the leg extended far from the circuit board as seen from the photo below? The reason for it is to avoid interference cause by resistor put too close to the circuit line which located behind the board- that’s what some expert said. So far i have not seen any of this problem yet (interference to the Monitor display) if i put the resistor (greater than 1 watt) just on top of the board instead of purposely leave the longer resistor leg from the circuit board
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