T-1(3mm) Low Current LED Lamps LTL-4221NLC/307ELC Low Current HI.Eff.Red LTL-4231NLC/307GLC Low Current Green LTL-4251NLC/307YLC Low Current Yellow LITE(e)\ Feature Package Dimensions - Low power consumption + High efficiency - CMOS/MOS compatible + TTL compatible + Wide viewing angle Description These tinted diffused LED lamps were designed and optimized specifically for low DC current operation. Luminous intensity and forward voltage are tested at 2 mA to assure consistent brightness at TTL output current levels. LTL-42x1NLC Series 3.0 (.118) { Le es EO 5.5540.3 (04) 1 (.22+.012) L __ 0.45x0.4 (.018x.016) YP / oo = =T 4.45 (.175) SEE NOTE 3 CATHODE | 3) (138) 4.0(.C4)MIN. 2.54 NOM. (1) LTL-307xLC Series 5.0 (.197) 8.6 (34) Notes: R1.5(.059) ) 1. All dimensions are in millimeters (inches). = 2. Tolerance is +0.25mm (0.10") unless otherwise = noted. a 3. Protruded resin under flange is 1.0mm (.04") max. 22.0 iy 5.85(.25) QO 4. Lead spacing is measured where the leads emerge (860 aR) from the package. a 5. Specifications are subject to change without notice. i LOT DENOTES CATHODE 1.0(.04)MIN. _ 2.54] wom | . (1) Devices rere Lens Source rer Lens Source LTL- Color | Diffusion | Color LTL- Color | Diffusion | Color 4221NLC Red Diffused | Hi. Eff. Red 307ELC Red Diffused | Hi. Eff. Red 4231NLC Green Diffused Green 307GLC Green Diffused Green 4251NLC Yellow Diffused Yellow 307YLC Yellow Diffused Yellow 8-23Absolute Maximum Ratings at Ta=25 C Parameter Maximum Rating Unit Power Dissipation Hi. Eff. Red 20 Tamb < 90C Green 20 mw - Yellow 20 Forward Current 7 mA Forward Surge Cruuent (10 sec Pulse) 500 mA Reverse Voltage 5 y Operating Temperature Range -55 to +100 C Storage Temperature Range -5 to +100 Lead Soldering Temperature [1.6mm (0.063in) From Body] 260 C for 5 Seconds Green Hi.Eff.Red 0.5 Relative Intensity 500 350 650 700 750 Wavelength A (nm) Fig.1 RELATIVE INTENSITY VS. WAVELENGTH 8-24 800Electrical /Opitcal Characteristics and Curves at Ta=25 Cc Part No. Test Parameter Symbol LTL- Min. Typ. Max. Unit Condition Luminous 4221NLC 0.7 2.5 i; = 2mA Intensity lv 4231NLC 0.4 1.1 med Note 1 4251NLC 0.4 1.1 422iNLC Note 2 Viewing Angle 2032 4231NLC 60 deg (Fig.6) 4251NLC , a 4221NLC 635 veanereeer | ap | zone 565 rm | Qenererer 4251NLC 585 Dominant 4221NLC 621 Wavelength Ad 4231NLG 569 nm Note 3 4251NLC 588 . 4221NLC 40 See Wate Ah 4231NLC 30 nm 4251NLC 35 Forware 4221NLC 1.7 2.2 Voltage VF 4231NLC 1.9 2.2 Vv IF = 2mA 4251NLC 1.8 2.7 Reverse 4221NLC 10 Current IR 4231NLC 10 uA VR = 5V 4251NLC 10 Notes:1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye- response curve. 2. 91% is the off-axis angle at which the luminous intensity is half the axial luminous intensity. 3. The dominant wavelength, Ad is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device. 10 12 > 10.0 = = 3 10 Zt 8.0 = 3 4221NLC e z& e = 6 ' 3 36.0 = : e 6 zy > | oA 540 - 5 5 g fa z 2 = 2 327? WwW 9 9 ze 9 4 0 05 10 15 2.0 25 0 20 40 60 80 100 2 4 6 0 Forward Voltage VF (V) Ambient Temperature TA (C) Forward Current (mA) Fig.2 FORWARD CURRENT VS. Fig.3 FORWARD CURRENT Fig.4 RELATIVE LUMINOUS FORWARD VOLTAGE DERATING CURVE INTENSITY VS. FORWARD CURRENT o 10 20 2 30 4251NLC 1 4p Relative Luminous Intensity 0.5 4221NLC 0.9 50" 0.8 6" ny 0.2 0.7 ay | Lo ar ~30 -20 -10 0 10 20 30 40 50 60 70 0.50.3 0.1 0.2 0.4 0.6 Ambient Temperature TA (C) Fig.5 LUMINOUS INTENSITY VS. Fig.6 SPATIAL DISTRIBUTION AMBIENT TEMPERATURE 8-25Electrical /Opitcal Characteristics and Curves at Ta=25 C Parameter Symbol Pan 0. Min. Typ. Max. Unit Conaiion 307ELC 14 3.7 mneus Iv 307GLC 11 37 med Foe y 307YLC 14 3.7 307ELC Note 2 Viewing Angle 2014 307GLC 50 deg (Fig.11) 307YLC 9 Peak Emission ap sor Ac Dee nm Measurement Wavelength 307YLC 585 @ Peak (Fig.1) Dominant 307ELC 621 Ad 307GLC 569 nm Note 3 Wavelength 307YLC 588 307ELC 40 Spectral Line AA 307GLC 30 nm Half-Width 307YLC 35 Forware 307ELC 17 2.2 Voltane Ve 307GLC 1.9 2.2 Vv lp = 2mA 9 307YLC 1.8 27 Reverse 307ELC 10 In 307GLC 10 uA vA = 5V Current 307YLC 10 Notes:1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye- response curve. 2. @i% is the off-axis angle at which the luminous intensity is half the axial lurninous intensity. 3. The dominant wavelength, Ad is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device. 10 12 > 10.0 E 3 = 10 5< 8.0 Yr rr 3 a 6 = 356.0 E Eg 2y 3 3 en ~ 4 3O7YLC S 4 33* 2 2 g 2520 52 se? 0 0 = 9 0 05 10 15 20 25 0 20 40 60 80 100 4 10 Forward Voltage VF () Ambient Temperature TA (C) Forward Current (mA) Fig.2 FORWARD CURRENT YS. Fig.3 FORWARD CURRENT Fig.4 RELATIVE LUMINOUS FORWARD VOLTAGE DERATING CURVE INTENSITY YS. FORWARD CURRENT o 10 20 = 2 7) 30 5 307YLC soy 40" 3 1.0 O85 307ELC 0.9 50 5 0.8 3 60" 20.2 0 z 0.7 io 2 0. CECT TT ~30-20-10 0 10 20 30 40 50 60 70 0.50.3 0.1 0.2 0.4 0.6 Ambient Temperature TA (C) 8-26 Fig.5 LUMINOUS INTENSITY VS. Fig.6 SPATIAL DISTR:BUTION AMBIENT TEMPERATURE