Tops 6W Pure White Ceramic LED OS4WF3TEC1E VER .3 ■ Features ● High-power LED ● Long lifetime operation ● Typical viewing angle : 120deg ● RoHS compliant ● Possible to attach to heat sink directly without 12.0 -0.3 using print circuit board. ■ Dimension +0.5 ■Outline Applications ● Indoor & outdoor lighting ● Stage lighting ● Reading lamps ● Display cases, furniture illumination, marker ● Architectural illumination ● Spotlights +0.5 ■Absolute 15.0 -0.3 Unit:mm Tolerance:±0.30mm Tolerances are for reference only (Ta=25℃) Maximum Rating Item ■Directivity Symbol Value Unit DC Forward Current *1 IF 700 mA Pulse Forward Current*2 IFP 1400 mA Reverse Voltage VR 15 V Power Dissipation*1 PD 6,720 mW Operating Temperature Topr -30 ~ +85 ℃ Storage Temperature Tstg -40~ +100 ℃ Lead Soldering Temperature Tsol 260℃/5sec - 0 0 *1, Power dissipation and forward current are the value when the module temperature is set lower than the rating by using an adequate heat sink. *2, Pulse width Max.10ms Duty ratio max 1/10 (Ta=25℃) -Optical Characteristics Item Symbol Condition Min. Typ. Max. <Fig.a> Forward Current Derating Curve Unit DC Forward Voltage VF IF=600mA 9.0 9.6 10.8 V DC Reverse Current IR VR=15V - - 100 µA Luminous Flux Φv IF=600mA 580 600 - lm Color Temperature CCT IF=600mA - 6500 - K Chromaticity x IF=600mA - 0.313 - Coordinates* y IF=600mA - 0.325 - 2θ1/2 IF=600mA - 120 - 50% Power Angle 800 Forward Current, IF (mA) ■Electrical 700 600 500 400 300 200 100 0 0 20 40 60 Case Temperature, TA (°C) deg Note: Don’t drive at rated current more than 5s without heat sink for High Power series. * Tolerance of chromaticity coordinates is +10% , * Tolerance of Luminous Flux is +20% LED & Application Technologies http://www.optosupply.com VER A.0 80 100 Tops 6W Pure White Ceramic LED OS4WF3TEC1E VER . 3 ■Heat design The following pictures show some measurements of mounted 5W Led on the heat sink for each board A and B (See Fig 1) with using thermograph to make an observation about heat distribution. Each boards is tested at various current conditions. As a result, LED needs larger heat sink as much as possible to reduce its own case temperature. Fig. 1 Configuration pattern examples for board assembly Board LED power Material Surface area (m㎡) Min. A 5W Al 10,300 B 10W Al 20,600 C 25W Al 51,500 D 50W Al 103,000 E 100W Al 206,000 F 200W Al 412,000 G 300W Al 618,000 Above tested LED device is attached with adhesive sheet to the heatsink. For reference's sake, Tj absolute maximum rating is defined at 115℃ as a prerequisite on design process of 5W LED. <Fig.2> Board A (surface area=10,300m㎡) IF=600mA <Fig.3> Board B (surface area=20,600m㎡) IF=600mA LED & Application Technologies http://www.optosupply.com VER A.0 Tops 6W Pure White Ceramic LED OS4WF3TEC1E VER . 3 ■Heat designÆDesign flow chart 1. Mounting LED(s) on the board 2. Built-in 2-1. Building on to the lighting fixture module. 2-2. Setting on the actual using condition 3. How to measure Tc 3-1. With using thermo couple. (*a,*b) 3-2. Chose the measured LED device which assumed the highest Tc in the mounted LEDs. (*b) 3-3. Under stable temperature condition. if NOT, go back to 4. Judgment of Tc 4-1. Not over the temperature of your standard rated ? 4-2. Not over the temperature of specified on LED device specification sheet ? (See Fig.a) 5. Implemented above condition *Possible to use as it stands. procedure No.1 and reconsider. 5. NOT implemented *Reducing forward current *Reconsider its design of thermal resistance LED & Application Technologies http://www.optosupply.com VER A.0 Tops 6W Pure White Ceramic LED OS4WF3TEC1E VER . 3 ■HandlingÆManually handling Use tweezers to catch hold of LEDs at the base substrate part. Do not touch the lens with the tweezers and fingers. Do not press on the lens. LED & Application Technologies http://www.optosupply.com VER A.0