10 Watt LED

[Romi]

I get what Juanico is saying. He is over running the LED, instead of 10, he is running at 18W. Possible reason for extra brightness.

Syed ji, is there chance to check the voltage and current across the LED?

Hmmm.... Sai bhai might have a point there, Syedali. It is looking almost twice as bright as mine, and it is just a 10 watt LED floodlight. That yellow chip-like thing (no idea what it should be called, sorry guys) is exactly the same as mine. Do throw some light on this aspect ! (pun is accidental !)

[syed.ali]

Sorry i forgot to check the specs, but i will check it.

There is definitely difference in the quality in the Chinese made LED which is there in the Flood light, the number of the smaller sections/lamps within the LED is more than those present in chinese ver. I will definitely remember today to check and post it

[syed.ali]

I just now checked, there is a voltage drop of 10.5 V.
The driver is rated for 12 V and 1.5 Amp.
As per the http://ledcalculator.net/ calculation, i should put 3 ohm resistor.

I will find resistor and put it.

[saikumar]

Take care, when it smokes
3 ohm X 1.5X 1.5 Amps= 6.75W, so better try getting high wattage resistor.

hope reply was not late

[syed.ali]

none the reply is not late, i have not being able to lay my on the resistors, I got 10 ohm one lying with me.

I actually though of doing another thing, how about putting 3 LEDs in series before 10 Watt led, what do you say, I was thinking of putting 3*1 watt Blue LED

[sushant]

I actually though of doing another thing, how about putting 3 LEDs in series before 10 Watt led, what do you say, I was thinking of putting 3*1 watt Blue LED

if all the LEDs, including the one you are talking about are same( with same ratings) then this can be done, else there is a risk of lower rated LEDs getting fried.


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[syed.ali]

Have not tried it as of now.

[juanico]

Syed, your setup is 3 months old now, i guess...is the 10W led still working with the 12V/1.5A driver?
same brightness as in the beginning?

[sushant]

Wow.. syed bhai...i like to have some drivers like this and some led for my tank...

I can give the address of the shop from where i bought these, its in bhagirath palace in new delhi,

i'm searching for one too so please let us know about the place