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Dear Sir,

We are in immediate need of COB LED modules.

Capacity : 10 / 20 / 30 / 50 / 70 & 100 watts.
Lumen output : minimum 110 & preferable 120 lumens per watt.
CRI : 70 is fine. Lumen output more important.
Colour : 3000K for warm white and 5700K for cool white.
Volts : 30 volts.
Current : 350mA for 10 watts & multiples thereof like 700mA for 20 watts, 1750mA for 50 watts etc.
Quality : gold wire bonding, copper stent, high quality phosphor, good quality base material with least possible heat generation.
Quantity : 5000 pieces to begin with.
Test reports : LM 70 / 80 at 85 deg C, integrated sphere report & temperature report in operation.
Warranty required : 3 years.
Delivery :immediate / 3 to 4 days.

We understand instead of these COB modules, a larger, thick copper PCB with SMD 5730 or 2835 or any other similar chips, dissipates heat better. Please advise if it is true, with test reports along with your best offers.

Also, these kind of SMD modules are coming with LED driver on board, and the same could be connected directly to 220 volts and we would appreciate offers for these also.

We expect a price of RMB 0.6 to 0.7 per watt but it is adjustable for quality products.

Those chips which can be run at 2 to 3 times the typical or regular forward current, i.e. those which could operate at absolute maximum ratings are preferred.

Please let us have your best offer, prices in RMB with complete details by return mail and oblige.

Please send your best offers per return of mail. Let us do business now.

Thanks & best regards,
Prabhu Dayal Agarwal

Bigapple Life.,
"Bigapple Arcade", 1-8-167 to 179, S.D.Road,
Secunderabad - 500003, A.P., INDIA
Ph: Off: 91 - 40 - 2789 1919, Fax : 91 - 40 - 2789 6969,
Mobile: 91 - 939 2727 939.
pda at bigapple dot in
skype: prabhuagarwal

Related Keywords : LED modules

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