Page:1

Customer Description Φ48 x H50 mm LED HeatsinkPart No. . Model No. JSLED-SAM-4850 REV. 0Sample Issue No.Sample Issue Date

SPECIFICATION FOR APPROVAL

JARO THERMAL

Jaro Thermal USA offices6600 Park of Commerce Blvd.Boca Raton, Florida 33487www.jarothermal.comPh: 561-241-6700Fx: 561-241-3328

We keep the world cool™

Jaro Thermal Taiwan office6F-5, No. 366 Bo Ai 2nd Rd., Zuoying District, Kaohsiung City, Taiwan 81358www.jarothermal.comPh: +886-7-550-7020 Fx: +886-7-550-7542

PLEASE SEND ONE COPY OF THIS SPECIFICAITON BACK AFTER YOU SIGNED APPROVAL FOR PRODUCTION PRE-ARRANGMENT.

PREPARED BY : Adam Hung DATE : 09/07/2015

CHECKED BY : Chris Hsu DATE : 09/07/2015

APPROVED BY : Claire Wang DATE : 09/07/2015

Revision of Spec History

Notice:

1. This specification will be changed base on Jaro Thermal ‘s notification. Plsrefer to update revision of spec by contacting Jaro Thermal.

2. This specification clarify all the mechanical & electrical characteristics of DC brushless fans & AC brushless fans & Heatsink.

3. The specification of this product is described in detailed document. Pls do not use the fan without proper usage. Pls contact Jaro Thermal if you have special requirement which is not listed on this specification.

4. Any of change, pls contact Jaro Thermal to change the new revision in order to make sure all technical data is up to date. Any ECN change will be followed by sending new update spec.

Page:2

Revision Change Content Change page DATE BY

0 Created SPEC 09/07/2015 Adam Hung

JARO SPEC NUMBER

JARO MODEL: JSLED-SAM-4850

Page:3

DIMENSION DRAWING

• The JSLED-SAM-4850 Samsung Modular Passive Star LEDHeatsinks are specifically designed for luminaires using the Samsung LED engines.

• Mechanical compatibility with direct mounting of the LED engines to the LED cooler and thermal performance matching the lumen packages.

• For spotlight and downlight designs form 600 to 1500 lumen.• Thermal resistance range Rth 4.2 degree C/W• Modular design with mounting holes foreseen for direct mounting of

Samsung COB LED engines.• Diameter 48mm – standard height 50mm, other heights on requires.• Extruded from highly conductive aluminum.

Features v.s Benefits

JARO MODEL: JSLED-SAM-4850

Page:4

DIMENSION DRAWING

Zhaga LED engine and radiator assembly is a unified future standardization

• Below you find an overview of Samsung COB’s and Led modules which standard fit on the JARO COB STAR LED Heat Sinks.

• In this way mechanical after work and related costs can be avoided, and lighting designers can standardize their designs on a limited number ofJARO COB STAR LED Heat Sinks.

JARO MODEL: JSLED-SAM-4850

Page:5

DIMENSION DRAWING

Mounting Options and Drawings & Dimension

1 2 3

Example : JLED-SAM-48 50 - B - 3Example: JLED-SAM-48

1 Height (mm)

2 Anodizing colorB-Black C-Clear Z-Custom

3 Mounting Options – See graphics for details Combinations available Ex. Order code- 12 Means option 1 and 2 combined

Note: -Mentioned models are an extraction of full products range-For specific mechanical adaptations please contact: JARO THERMAL.-JARO THERMAL reseves the right to change products or specification without prior notice

JARO MODEL: JSLED-SAM-4850

Page:6

DIMENSION DRAWING

The thermal data table

Model No. JSLED-SAM-4850

Size ɸ48 x H50mm

Material 6063-T5

Finish Black Anodized

Weight(g) 134

Thermal Wattage 12.0W

HeatsinkΘs-a² 36868

Heatsink T Rise above Ambient 4.2

JARO MODEL: JSLED-SAM-4850

Page:7

DIMENSION DRAWING

The thermal data table

Pd=Pe x(1-ηL)

Heat Sink to ambient thermal

resistanceRhs-amb(˚C/W)

Heat Sink to ambient

Temperature riseThs-amb (˚C)

JSLED-SAM-4850 JSLED-SAM-4850

Dis

sip

ated

Po

wer

Pd

(W)

2.5W 5.6 14

4.5W 5.3 24

7.0W 4.6 32

9.5W 4.3 41

12W 4.2 49

18W 3.7 65