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Diode afterglow

Nordhavn

Nordhavn

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Joined
Oct 12, 2007
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285
Points
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Does capacitance in the driver circuit cause the diode to glow briefly after power is cut or do these exhibit a short persistence like a phosphorescent screen?
 





GooeyGus

GooeyGus

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Joined
Mar 8, 2008
Messages
2,669
Points
48
Yup! Exactly right. The capacitors discharge after power is cut, causing the die to glow for a brief period :cool:
 
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