t-1 3 / 4 (5 mm), t-1 (3 mm), high intensity, double heterojunction algaas red led lamps technical data features ? exceptional brightness ? wide viewing angle ? outstanding material efficiency ? low forward voltage ? cmos/mos compatible ? ttl compatible ? deep red color applications ? bright ambient lighting conditions ? moving message panels ? portable equipment ? general use description these solid state led lamps utilize newly developed double heterojunction (dh) algaas/gaas material technology. this led material has outstanding light output efficiency over a wide range of drive currents. the color is deep red at the dominant wavelength of 637 nanometres. these lamps may be dc or pulse driven to achieve desired light output. abc package dimensions hlmp-d101/d105 HLMP-K101/k105 24.10 (0.95) min.
2 axial luminous intensity and viewing angle @ 25 c part i v (mcd) @ 20 ma number 2 q 1 / 2 [1] package hlmp- package description min. typ. degrees outline d101 t-1 3 / 4 red tinted diffused 35 70 65 a d105 t-1 3 / 4 red untinted, non-diffused 90 240 24 b k101 t-1 red tinted diffused 22 45 60 c k105 t-1 red untinted non-diffused 35 65 45 c note: 1. q 1/2 is the off axis angle from lamp centerline where the luminous intensity is 1 / 2 the on-axis value. absolute maximum ratings at t a = 25 c peak forward current [1,2] .................................................................................................................... 300 ma average forward current [2] ................................................................................................................... 20 ma dc current [3] ......................................................................................................................................... 30 ma power dissipation ................................................................................................................................. 87 mw reverse voltage (i r = 100 m a) .................................................................................................................... 5 v transient forward current (10 m s pulse) [4] ......................................................................................... 500 ma led junction temperature ..................................................................................................................... 110 c operating temperature range ................................................................................................... -20 to +100 c storage temperature range ....................................................................................................... -55 to +100 c lead soldering temperature [1.6 mm (0.063 in.) from body]........................................... 260 c for 5 seconds notes: 1. maximum i peak at f = 1 khz, df = 6.7%. 2. refer to figure 6 to establish pulsed operating conditions. 3. derate linearly as shown in figure 5. 4. the transient peak current is the maximum non-recurring peak current the device can withstand without damaging the led die and wire bonds. it is not recommended that the device be operated at peak currents beyond the absolute maximum peak forward current.
3 electrical/optical characteristics at t a = 25 c symbol description min. typ. max. unit test condition v f forward voltage 1.8 2.2 v i f = 20 ma v r reverse breakdown voltage 5.0 15.0 v i r = 100 m a l p peak wavelength 645 nm measurement at peak l d dominant wavelength 637 nm note 1 dl 1 / 2 spectral line halfwidth 20 nm t s speed of response 30 ns exponential time constant, e -t /t s c capacitance 30 pf v f = 0, f = 1 mhz r q j-pin thermal resistance 260 [3] c/w junction to cathode lead 210 [4] 290 [5] h v luminous efficacy 80 im/w note 2 notes: 1. the dominant wavelength, l d , is derived from the cie chromaticity diagram and represents the color of the device. 2. the radiant intensity, i e , in watts per steradian, may be found from the equation i e = l v / h v , where i v is the luminous intensity in candelas and h v is luminous efficacy in lumens/watt. 3. hlmp-d101. 4. hlmp-d105. 5. HLMP-K101/-k105. figure 1. relative intensity vs. wavelength. figure 2. forward current vs. forward voltage.
4 figure 7. relative luminous intensity vs. angular displacement. hlmp-d101. figure 8. relative luminous intensity vs. angular displacement. HLMP-K101. figure 3. relative luminous intensity vs. dc forward current. figure 4. relative efficiency vs. peak forward current. figure 5. maximum forward dc current vs. ambient temperature. derating based on t j max = 110 c. figure 6. maximum tolerable peak current vs. peak duration (i peak max determined from temperature derated i dc max).
5 figure 9. relative luminous intensity vs. angular displacement. hlmp-d105. figure 10. relative luminous intensity vs. angular displacement. hlmp-k105.
www.semiconductor.agilent.com data subject to change. copyright ? 1999 agilent technologies, inc. obsoletes 5964-9369e (4/96) 5968-1440e (11/99)
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