What's a good round heatsink? - The Planted Tank Forum
 
LinkBack Thread Tools Display Modes
post #1 of 5 (permalink) Old 02-16-2016, 03:01 AM Thread Starter
Algae Grower
 
m_t_r_86's Avatar
 
PTrader: (0/0%)
Join Date: Jan 2016
Posts: 70
What's a good round heatsink?

In the upcoming months I'm going to be building 2x led pendent light fixtures for my 40 breeder high tech. I want to use 2x 50 watt led chips with lens and reflectors.

I found these

LOHASģ 50W LED Chip Cool White Bulb High Power Lamp Energy Saving Chip https://www.amazon.com/dp/B00D1GT772/ref=cm_sw_r_other_awd_D4PWwbFT2H7QB

What's your take on them? I'll be praying then with the meanwells I have from a previous project.

Thanks.
m_t_r_86 is offline  
Sponsored Links
Advertisement
 
post #2 of 5 (permalink) Old 02-16-2016, 07:54 PM Thread Starter
Algae Grower
 
m_t_r_86's Avatar
 
PTrader: (0/0%)
Join Date: Jan 2016
Posts: 70
I found this.

[Ebay Link Removed]

What do you think?
m_t_r_86 is offline  
post #3 of 5 (permalink) Old 02-16-2016, 11:31 PM
Planted Tank Guru
 
Maryland Guppy's Avatar
 
PTrader: (13/100%)
Join Date: Dec 2014
Location: Arnold
Posts: 3,213
These type of COB LED's are cheaply made.
If tested with a variable power supply and slowly brought up to voltage all of the LED's inside do not always illuminate.
Name:  hqdefault.jpg
Views: 98
Size:  24.7 KB

Have you thought of these.
Name:  20pcs-50mm-7W-LED-PCB-DIY-High-Power-LED-Heat-Sink-Aluminum-Base-Plate-PCB-for.jpg
Views: 122
Size:  44.0 KB

You can build a better spectrum for your plants.
Populate with 3 watt LED's, 2 discs will get you 42 watts @ 48VDC supply.

Just throwing out another idea.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Growing is not that difficult.
Maryland Guppy is offline  
 
post #4 of 5 (permalink) Old 02-16-2016, 11:33 PM Thread Starter
Algae Grower
 
m_t_r_86's Avatar
 
PTrader: (0/0%)
Join Date: Jan 2016
Posts: 70
Quote:
Originally Posted by Maryland Guppy View Post
These type of COB LED's are cheaply made.
If tested with a variable power supply and slowly brought up to voltage all of the LED's inside do not always illuminate.
Attachment 592681

Have you thought of these.
Attachment 592673

You can build a better spectrum for your plants.
Populate with 3 watt LED's, 2 discs will get you 42 watts @ 48VDC supply.

Just throwing out another idea.
What are those LEDs called? Brand name I mean.
m_t_r_86 is offline  
post #5 of 5 (permalink) Old 02-16-2016, 11:55 PM
Planted Tank Guru
 
Maryland Guppy's Avatar
 
PTrader: (13/100%)
Join Date: Dec 2014
Location: Arnold
Posts: 3,213
The COB and 3 watt LED's are made by many manufacturers.
Bridgelux, Cree, Epistar etc...
LED aluminum base plates can be searched on evilbay.
Mind your driver output and power supply voltages.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Growing is not that difficult.
Maryland Guppy is offline  
Reply

Tags
None

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the The Planted Tank Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome