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    CREE MK-R   >   CREE MK-R G4 on Star PCB

CREE MK-R G4 on Star PCB


Amount Netto Brutto
from 1 8,32 € 9,90 €
Prices plus shipping costs

Product Datasheet
Part number:


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Part number Beam* Price
LT-3041 7.9 ab 12,90 €
LT-1211 12.4 ab 4,49 €
LT-2179 14.6 ab 8,90 €
LT-2759 16.5 ab 8,90 €
LT-2182 18.0 ab 3,99 €
LT-2183 28.0 ab 3,99 €
LT-1987 33.2 ab 8,90 €
*) Actual beam angle with this LED Type

Technical Data

Unit Value
Efficiency rating A+
Light color neutral-white
Outer diameter 21.0mm
Beam 120°
Height 5.5mm
Unit min. typ. max.
Lumen 840lm 1356lm
Kelvin 4000K
Voltage 11.7V 11.7V 12.3V
Current 700mA 700mA 1250mA


Datasheet 1.75 MB


The new Cree XLamp MK-R EasyWhite 4000K in G4 rank on Star!

The Cree XLamp MK-R sets new standards in developing efficient lighting technology and makes the next generation of 100 + lumens-per-watt systems possible.

The MK-R LED family is meanwhile the ninth product based on the Cree SC ³ technology ™ platform,
currently industry's most innovative platform based on silicon carbide technology

The XLamp MK-R LED lights can bring light into entirely new applications that need 10,000 lumens and more, such as area lighting. The MK-R is just the right choice for lighting applications that require a high light emission at maximum efficiency, such as LED replacement bulbs, portable lights, indoor & outdoor lighting and solar light-supported applications.

Successful usage of high power LEDs:

Heat management
Applications with high power LEDs need enduring, adequate and plane heat conduction from the first moment of use. It is very important and neccessary to get the heat off the devices to ensure the maximum light output, lifetime and efficiancy.

Drive management
LEDs should be run with a constant current in addition to the manufacturers recommendations. To ensure this we recommend to take constant current power supplies because resistors are always a risk factor in high power LED applications.

EMC protection
LEDs are sensitive against heat and electric charge. Please avoid any kind of short circuits or electric discharge to the illuminant. The chip can be damaged or even destroyed.

Storage / JEDEC level
The storage temperature should be from -30°C up to + 80°C in dry ambience. After opening a sealed bag the content should be mounted rapidly. Once absorbed humidity can be removed by tempering the LEDs in some cases. More information can be found in the manufacturers datasheets or on the manufacturer homepages.

Soldering conditions
Each LED has its own soldering conditions that the user should pay attention to. After the launched lead free processing specifications many standarts have changed. Information about recommended soldering can be found in the manufacturers datasheets or on the manufacturer homepages.

Delivery time

Deliveries within Germany take 2-3 days beginning after receipt of payment, for deliveries to invoice beginning with the shipment, for deliveries to cash on delivery beginning with receipt of order. Payments and incoming orders beyond our business hours let the delivery time begin with the next workday. For deliveries to other EU countries the delivery time may be extended up to 3 weeks. The delivery time is subject to the proper delivery of the logistics company, as far as delivery delays are not caused by us. The validity of the above delivery times requires the availability of the ordered goods from stock at the time the delivery time is beginning.