super bright t-1 3/4 (5 mm) led lamp - water clear 1 of 4 1/27/00 300033a parameter symbol rating unit operating temperature t opr -40 to +100 c storage temperature t stg -40 to +100 c lead soldering time t sol 260 for 5 sec c continuous forward current i f 40 ma peak forward current i f 160 ma (f = 1.0 khz, duty factor = 1/10) reverse voltage v r 5v power dissipation p d 100 mw absolute maximum ratings (t a = 25c unless otherwise specified) 0.040 (1.02) 0.200 (5.08) 0.180 (4.57) 0.050 (1.27) ref. 0.100 (2.54) 0.350 (8.89) 0.330 (8.38) 1.00 (25.4) min c l 0.100 (2.54) ref. ? 0.230 (5.84) 0.023 (0.58) 0.017 (0.43) sq. typ. (2x) 0.050 (1.27) flat denotes cathode package dimensions notes: 1. dimensions for all drawings are in inches (mm). 2. lead spacing is measured where the leads emerge from the package. 3. protruded resin under the flange is 1.5 mm (0.059") max. description this t-1 3/4 super bright led has a moderate viewing angle of 45 for concentrated light output. it is made with an allngap led that emits orange light at 620 nm. it is encapsulated in a water clear epoxy lens package. features popular t-1 3/4 package super high brightness suitable for outdoor applications solid state reliability water clear optics standard 100 mil. lead spacing super orange mv874x MV8741 mv8742
i f - dc forward current (ma) relative lumnous intensity (normalized at 20 ma) fig. 2 relative luminous intensity vs. dc forward current 2.5 2.0 1.5 1.0 0.5 0.0 01020304050 100 90 80 70 60 50 40 30 20 10 0 1.0 1.5 2.0 2.5 3.0 v f - forward voltage (v) i f - forward current (ma) fig. 1 forward current vs. forward voltage typical performance curves 2 of 4 1/27/00 300033a super bright t-1 3/4 (5 mm) led lamp - water clear part number MV8741 mv8742 condition luminous intensity (mcd) i f = 20 ma minimum 250 400 typical 370 600 forward voltage (v) i f = 20 ma maximum 2.8 2.8 typical 2.1 2.1 wavelength (nm) i f = 20 ma peak 620 dominant 615 spectral line half width (nm) 20 i f = 20 ma viewing angle ( )20i f = 20 ma electrical / optical characteristics (t a =25 c) super orange mv874x MV8741 mv8742
wavelength - nm relative intensity fig. 3 relative intensity vs peak wavelength 1.0 0.5 0 550 600 650 700 i f - forward current (ma) fig. 5 current derating curve 35 30 25 20 15 10 5 0 0 2 0 4 0 6 0 8 0 100 t a - ambient temperature (?c) rel. luminous intensity (%) fig. 4 radiation diagram 0 20406080100 020406080100 90? 80? 70? 60? 50? 40? 30? 20? 10? 0? -10? -20? -30? -40? -50? -60? -70? -80? -90? 3 of 4 1/27/00 300033a super bright t-1 3/4 (5 mm) led lamp - water clear super orange mv874x MV8741 mv8742
life support policy fairchilds products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. www.fairchildsemi.com ? 2000 fairchild semiconductor corporation 4 of 4 super bright t-1 3/4 (5 mm) led lamp - water clear 1/27/00 300033a
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