how do i wire up 25 LEDs for 12v application?
07-27-2005, 03:28 PM
#1
how do i wire up 25 LEDs for 12v application?
i'm looking to make a row of 24-25(whichever makes for easier wiring) LED with the following specs,
SOURCE MATERIAL:InGaN
EMITTING COLOUR:WHITE
LENS TYPE:WATER CLEAR
LUMINOUS INTENSITY-MCD:11000 TYPICAL/14000MAX
REVERSE VOLTAGE:5.0 V
DC FORWARD VOLTAGE:3.3V TYPICAL
DC FORWARD CURRENT:20~30mA
VIEWING ANGLE:± 15°
LEAD SOLDERING TEMP:260oC for 5 seconds
what is the best way to wire them for +12V. Each LED comes with a free resistor for 12v but somehow i don't think its a good idea to wire each led to its own resistor, then connect all the positives and negatives together. i thought i read somewhere that i should have a few in series and wire all the series together in parallel. i forget the exact match and hoping to get help from you guys.
thanks
SOURCE MATERIAL:InGaN
EMITTING COLOUR:WHITE
LENS TYPE:WATER CLEAR
LUMINOUS INTENSITY-MCD:11000 TYPICAL/14000MAX
REVERSE VOLTAGE:5.0 V
DC FORWARD VOLTAGE:3.3V TYPICAL
DC FORWARD CURRENT:20~30mA
VIEWING ANGLE:± 15°
LEAD SOLDERING TEMP:260oC for 5 seconds
what is the best way to wire them for +12V. Each LED comes with a free resistor for 12v but somehow i don't think its a good idea to wire each led to its own resistor, then connect all the positives and negatives together. i thought i read somewhere that i should have a few in series and wire all the series together in parallel. i forget the exact match and hoping to get help from you guys.
thanks
07-27-2005, 03:35 PM
#2
found this site, http://led.linear1.org/led.wiz
incase anybody else is interested.
incase anybody else is interested.
07-27-2005, 06:58 PM
#3
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