SURFACE MOUNT CHIP LED LAMPS Model No. LEM-54221T FEATURES: ※Ultra compact (2.0×1.25×0.8) ※Auto insertable. Using 8 mm wide tape ※Ultra low profile APPLICATION: ※ Indicators on printed circuit boards ※ LCD Back-lights ※ Illuminations ※ Automotive-Telecommunication Emitted Color Material Wavelength (nm) Lens Color Ultra Yellow Green AlGaInp 574 Water Clear ABSOLUTE MAXIMUM RATINGS (Ta = 25℃) CHARACTERISTIC Power dissipation Forward direct current Peak forward current Reverse voltage Operating temperature Storage temperature SYMBOL Pm IFm IFp VRm Topr Tstg RATING 78 30 100 5 -25 to +80 -30 to +85 UNIT mW mA mA V ℃ ℃ ELECTRO-OPTICAL CHARACTERISTICS (Ta = 25℃) CHARACTERISTIC Luminous intensity Forward voltage Reverse current Peak emission wavelength Dominant wavelength Viewing angle SYMBOL Iv VF IR λP λD 2θ1/2 CONDITION IF=20mA IF=20mA VR=5V IF=20mA IF=20mA IF=20mA Min. 20 Typ. 45 2.2 575 574 130 Max. 2.7 10 UNIT mcd V µA nm nm deg. PACKAGE DIMENSIONS OF DEVICE Recommended Soldering Pattern for Reflow Soldering Note: 1. All dimensions are in millimeters. 2. Tolerance is ±0.25mm unless otherwise specified. Letex Technology Corp.