#### robincnn

##### Well-Known Member

Please feel free to post your Mid-Power LED based designs here. Multiple LED Strips fine too.

Related Threads

https://www.rollitup.org/t/quantum-boards-grow.927065/

https://www.rollitup.org/t/pre-drilled-heatsink-for-boards.925811/

https://www.rollitup.org/t/diy-passive-cooling-with-pin-heatsinks-sst120-and-sst140.906729/page-33#post-13100993

Details of Boards are available

__here__

- 304pcs Samsung 561C top bin Diodes
- Estimated LER 321.60 lm/W
- Estimated QER 4.86 µmol/J
- Dimensions 6.833" x 11.25

Non Dimmable

- APC-35-350, GSC40B-350 for 35 watts with 1 board
- Also compatible with LPC-150-1400 (180~305VAC only), LPC-100-700,

- HLG-80H-C700 with 2 or 3 or 4 boards for 90 Watts
- HLG-120H-C1400 with 2 or 3 or 4 boards for 170 Watts
- HLG-240H-C2100 with 2 or 3 or 4 boards for 250 Watts
- HLG-320H-C2800 with 2 or 3 or 4 boards for 250 Watts
- Also compatible with ELG-75-C700, ELG-150-C1400, ELG-240-C2100, ELG-200-C1750

3000K 80 CRI

Calculating efficiency

http://www.samsung.com/global/business/led/support/tools/calculator-pkg