MingfaTech’s design and supply on high quality LED coolers, including star heat sinks and pin fin heat sinks, especially the breaking-through LED cooler series of EtraLED, SimpoLED, GooLED, BuLED, HibayLED have been helping the LED lighting manufacturers improve their designs with the heat dissipation in better efficiency and more aesthetic appearances, substantially winning business opportunities in high-end LED markets for them. Nowadays, Mingfa Tech has more and more distribution relationships around the world to promote its products and won a lot of good reputations in LED industry. Please download MingfaTech's presentation to learn full details of the company profile.

1. Direct mounting with machine screws M3x6mm;
Blue indicator marks.
* For spotlight and downlight designs from 1500 to 4000 lumen.
* Thermal resistance range Rth 1.5°C/W.
* Extruded from highly conductive aluminum.
Samsung LED Modules Mounting indicator marks overview
SPHWW1HDND25YHW33P;
SPHWW1HDND25YHV33P;
SPHWW1HDND25YHU33P;
SPHWW1HDND25YHT33P;
SPHCW1HDND25YHRT3P;
EtraLED
For the LC019 B LED engines.
SPHWW1HDNB25YHW32J;
SPHWW1HDNB25YHV32J;
SPHWW1HDNB25YHU32J;
SPHWW1HDNB25YHT32J;
SPHCW1HDNB25YHRT2J;
For the LC033 B LED engines.
* The EtraLED-SAM-8550 Samsung Modular Passive Star LED Heat Sinks are specifically
Features VS Benefits
Zhaga LED engine and radiator assembly is a unified future international standardization
* In this way mechanical after work and related costs can be avoided, and lighting designers
can standardize their designs on a limited number of Star LED Heat Sinks.
* Modular design with mounting holes foreseen for direct mounting of Samung COB LED engines.
designed for luminaires using the Samsung LED engines.
* Mechanical compatibility with direct mounting of the LED engines to the LED cooler and
* Diameter 85mm - standard height 50mm Other heights on request.
thermal performance matching the lumen packages.
* Below you find an overview of Samsung COB's and LED modules which standard fit on the EtraLED Star LED Heat Sinks.
EtraLED-SAM-8550 Samsung Modular Passive Star LED Heat Sink Φ85mm
For the LC026 B LED engines.
SPHWW1HDNC27YHW32F;
SPHWW1HDNC27YHV32F;
SPHWW1HDNC27YHU32F;
SPHWW1HDNC27YHT32F;
SPHWW1HDNC25YHW32F;
SPHWW1HDNC25YHV32F;
SPHWW1HDNC25YHU32F;
SPHWW1HDNC25YHT32F;
SPHCW1HDNC25YHRT3F;
NO`1:With Zhaga Book3 Holders,TE Connectivity:Z50 2213258-2;
Green indicator marks
Mounting with machine screws M3x6mm;
NO`2:BJB holder:47.359.1001.50;
Red indicator marks
Mounting with machine screws M3x6mm;
NO`3:Without holder:
Direct mounting with machine screws M3x6mm;
Yellow indicator marks.
Tel:+86-769-33252828 +86-769-33251919
E-fax:+86-(020)28819702 ext:22122
Email:sales@mingfatech.com
Http://www.heatsinkled.com
Http://www.mingfatech.com 1

2. EtraLED EtraLED-SAM-8550 Samsung Modular Passive Star LED Heat Sink Φ85mm
- -
1
2 Anodising Color
3
Example:EtraLED-SAM-85
Example:EtraLED-SAM-8550-B-3
means option 1 and 2 combined
details Combinations available
Mounting Options - see graphics for
3
4
M3 6mm
42.0mm/ @3-120°6mm
LC026
LC033
/ M3 6mm
Type
2-2154857-3
M3
BJB
47.359.1001.50
30.4mm/ @2-180°
LC019
Module type Holder NO. THREAD
THREAD
DEPTH
6mm 24.0mm/ @2-180°1
Height (mm)
2 3
/ M3
35.0mm/ @2-180°
- MingfaTech reserves the right to change products or
specifications without prior notice.
C-Clear
MOUNTING
OPTION
2
Ex.order code - 12
Z-Custom
1
Mounting Options and Drawings & Dimensions
THREAD HOLE
DISTANCE
- Mentioned models are an extraction of full product range.
- For specific mechanical adaptations please contact MingfaTech.
B-Black
Notes:
Tel:+86-769-33252828 +86-769-33251919
E-fax:+86-(020)28819702 ext:22122
Email:sales@mingfatech.com
Http://www.heatsinkled.com
Http://www.mingfatech.com 2

3. EtraLED EtraLED-SAM-8550 Samsung Modular Passive Star LED Heat Sink Φ85mm
Model No.
Size
Material
Finish
Weight(gr)
Thermal Wattage
HeatsinkΘs-a²
Heat Sink T Rise Above Ambient
Dissipated Power Pd(W)
ta=25°C
DissipatedPowerPd(W)
Pd = Pe x
(1-ηL)
24 36 48 50
Heatsinkriseaboveambient(°C)
0 12
40
30
60
1.5 45
20
1.5 51
10
50
40
Heat sink to ambient
thermal resistance
Rhs-amb (°C/W)
Heat sink to ambient temperature rise Ths-amb(°C)Heat sink to ambient
temperature rise
Ths-amb (°C)
EtaLED-SAM-8550 EtaLED-SAM-8550
10 1.9 19
1.625
15 1.7 26
30
70
35
20 1.6 32
34.0W
AL6063-T5
Black Anodized
286.0
94366
EtraLED-8550
EtraLED-SAM-8550
Φ85xH50mm
The thermal data table
1.5
Tel:+86-769-33252828 +86-769-33251919
E-fax:+86-(020)28819702 ext:22122
Email:sales@mingfatech.com
Http://www.heatsinkled.com
Http://www.mingfatech.com 3