Step 21: Assembly Step 10: Diodes
Next in the row are the clamping diodes. These components need more care than the resistors.
• Make sure you insert them with correct polarity (correct orientation); the negative end is denoted by a black stripe around the diode body. The silkscreen outline also shows a (white) stripe – this is the side the black stripe must lie. Note that the orientation is not the same for all diodes.
• Diodes are quite sensitive to heat. Thus try to minimize soldering time. The best approach is to first solder only one end of all diodes, then the other end – this gives them enough time to cool down in the time between.
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