LOU4155 Ultra Brightness LED Lamp ■ Features • Colored transparency lens type • φ4mm Oval plastic mold type • High Luminosity ■ Outline dimensions ① (unit : mm) ② Pin connectors 1.Anode 2.Cathode Different and Better 1/6 LOU4155 Ultra Brightness LED Lamp ■ Absolute Maximum Ratings Characteristic (Ta=25℃) Symbol Ratings Unit Power dissipation PD 75 mW Forward Current IF 25 mA IFP 50 mA Reverse Voltage VR 5 V Operating Temperature Topr -25 ∼ +85 ℃ Storage Temperature Tstg -30 ∼ +100 ℃ *2Soldering Temperature Tsol *1Peak Forward Current 260℃ for 3 seconds *1.Duty ratio ≦ 1/10, Pulse Width ≦ 10msec *2.Keep the distance more than 2.0mm from PCB to the bottom of LED package ■ Electrical – Optical Characteristics Characteristic (Ta=25℃) Symbol Test Condition Min. Typ. Max. Unit Forward Voltage VF IF= 20mA - 2.0 2.4 V Dominant Wavelength λd IF= 20mA 619 623 626 nm Spectrum Bandwidth Δλ IF= 20mA - 20 - nm Reverse Current IR VR=5V - - 10 Ua x - ±55 - deg y - ±30 - deg *3Half Angle θ1/2 IF= 20mA *3. θ1/2 is the off-axis angle where the luminous intensity is 1/2 the peak intensity Different and Better 2/6 LOU4155 Ultra Brightness LED Lamp ■ Luminous intensity ranks Iv RANK Test Condition L M (Ta=25℃) Min. Typ. Max. 300 - 420 420 - 600 IF= 20mA Unit mcd N 600 - 850 O 850 - 1200 * Luminous intensity is tested at a current pulse duration of 25 ms and an accuracy of ±11%. Intensity Measured : 0.01sr(CIE. LED_B) Different and Better 3/6 LOU4155 Ultra Brightness LED Lamp ■ Characteristic Diagrams Fig. 2 IV-IF Fig. 1 IF-VF Ta=25℃ Intensity Normalized AT 20mA Ta=25℃ Forward Current IF[mA] 80 70 60 50 40 30 20 10 0 0 0.5 1 1.5 2 1.5 1 0.5 0 0 2.5 Forward Voltage VF[V] 5 10 15 20 25 30 Forward Current IF[mA] Fig.3 Max. Permissible Forward Current Fig. 3 Spectrum Distribution Ta=25℃ Relative Intensity[%] Forward Current IF[mA] Ta=25℃ Ambient Temperature Ta[℃] Wavelength λ [nm] Different and Better 4/6 LOU4155 Ultra Brightness LED Lamp Fig. 4 Radiation Diagram (Ta=25℃) Different and Better 5/6 LOU4155 Ultra Brightness LED Lamp ■ Revision history sheet Spec NO. Title Specification for Approval Times Date Summary of revision 1 2001. 07. 15 신규제정 2 2003. 02. 26 Format 변경 3 2004. 06. 03 Iv Rank 변경 Remarks Different and Better 6/6