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ANSI White (3465K) LUXEON Rebel ES LED, Mounted on a 23mm Round CoolBase - 740 lm @ 700mA

ANSI White (3465K) LUXEON Rebel ES LED, Mounted on a 23mm Round CoolBase - 740 lm @ 700mA
The SR-08-3500-185 has been discontinued. Our SR-08-3500-353 may be a suitable replacement.
 
The LEDs on this module can be connected and powered in series or singly for full control of each LED making the SR-08-3500-185 ideally suited for:
  • Flashlights
  • Bicycle Lights
  • Diving Lights
  • Color Tuned Lighting
  • Lightsabers
  • Spot lighting
  • Task Lamps
  • Fiber Optic Illuminators
Need four different color LEDs mounted to this base? We offer a customizable version here.
Specifications
 
LED Color ANSI White
Lumens @ 350mA 412 lm
Lumens @ 700mA 740 lm
Lumens @ 1000mA 1008 lm
Efficacy @ 350mA 107 Lm/W (Calculated)
Efficacy @ 700mA 91 Lm/W (Calculated)
Typical Color Temperature (1) 3465K
Color Temperature Range (1) 3220 to 3710K
Color Rendering Index (1) 85 CRI
Beam Angle (2) 120°
Recommended Operating Current (3) 700 mA
Maximum Rated Drive Current 1000 mA
Typical Forward Voltage (4) 11.6 Vf
Maximum Forward Voltage (4,6) 13 Vf
Thermal Resistance (1,5) 7.5 C°/W
Max Recommended Junction Temp 150 °C
Operating Temperature Range -40 to 135 °C
Dimensions L x W x H 23 x 23 x 5 mm
  1. Values based on 350mA and a Thermal Pad temperature of 25C.
  2. Viewing angle is the off axis angle from lamp centerline where the luminous intensity is ½ of the peak value.
  3. This is the maximum operating current that we recommend for this LED. Higher drive currents may be possible, but will require careful design of a suitable cooling system.
  4. At the recommended operating current.
  5. Typical thermal resistance from the LED Junction to the bottom of the FR4 board.
  6. This is the value we recommend you use for determining driver input voltage.
* Results will vary depending on the quality of the dielectric material used in the MCPCB base.
Download Center
SR-08-3500-185 Datasheet SR-08 Dimensional Drawing
LXW8-PW35 datasheet  
Additional Information

The SR-08-3500-185 can be ordered in any quantity with quantity discounts available.

If you order more than one piece of this part, pieces may be shipped as part of a v-scored panel.

Important Note About Stock: We usually only keep a small number of this part in stock. However, we can produce virtually any quantity that you may require on demand. Please contact us for lead times for orders above 1,000 pieces.

Binned LEDsDo you need LEDs with a specific flux, color or forward voltage? Order this part in 1,000 piece increments and we will build it using LEDs from the same bin. We can also provide specific bin numbers. Contact us for availability.

Click here to learn more about LED binning.

Thermal Management

SR-08-3500-185 LED assemblies must be operated to ensure that the junction temperature of the LEDs are kept well below the maximum ratings as specified in the LXW8-PW35 datasheet. A heat sink must always be used when operating this module. The size of the heat sink will depend on the ambient temperature and the current that is used to power the LEDs. Bench testing that we have conducted with a SR-08-WN300 module powered at 700mA in an open air environment and an ambient temperature of 25°C has indicated that a heat sink with a thermal rating of 8 C°/W or lower should be adequate. However, you will need to perform your own testing and analysis to determine if this size of heat sink will be suitable for your application.

The SR-08-3500-185 must be fastened to the heat sink using a thermal interface material such as our pre-cut Bond-Ply 100 pressure sensitive, double sided thermal tape or Arctic Silver thermal adhesive. Before fastening the module to the heat sink, ensure that the two mating surfaces are perfectly flat and clean in order to maximize heat transfer to the sink. Be careful not to warp or distort the PC Board by over tightening the screws.

Connection Diagrams
Quad LED Series Operation
Quad LED Single Operation
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Phone: 1-347-223-5077
Fax: 1-403-775-4020
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