LED SPECIFICATION Part No.：3751MR2D Features： 3.9±0.1 Single color High bright output 1.0±0.1 1.1±0.1 CATHODE High reliability and long life Descriptions： 25.4Min 1.0Max 6.3±0.1 9.8±0.5 Low power consumption 3.1±0.1 1.5±0.5 2.54 0.1 Dice material：AlGaInP 0.5±0.1 Emitting Color：Super Bright Red Device Outline：5.2×3.8mm Oval Type Lens Type：Red Diffused NOTE: All dimensions are millimetres. Tolerance is +/-0.25mm unless otherwise noted. DIRECTIVITY 0° 1.0 Relative Luminous Y Ta=25° C X IF=20mA Y 60° 0.5 0 X 30° 90° 60° 30° 0° 0.5 90° 1.0 Radiation Angle Page: 1 of 3 LED SPECIFICATION Part No.：7511MR2D Absolute maximum ratings（Ta = 25℃） Parameter Symbol Reverse Voltage VR Forward Current Test Value Condition Unit Min. Max. IR = 30μA 5 -- V IF ---- ---- 30 mA Power Dissipation Pd ---- ---- 70 mW Pulse Current Ipeak Duty=0.1mS，1kHz ---- 100 mA Operating Temperature Topr ---- -20 +85 ℃ Storage Tstr ---- -25 +100 ℃ Temperature Electrical and optical characteristics （Ta = 25℃） Parameter Symbol Forward Voltage VF Reverse Current Test Condition Value Unit Min. Typ. Max. IF = 20mA ---- 2.0 2.5 V IR VR = 5V ---- ---- 30 μA Dominate Wavelength λd IF = 20mA 625 ---- nm Spectral Line half-width Δλ IF = 20mA ---- 20 ---- nm Luminous Intensity IV IF = 20mA ---- 400 --- mcd Viewing Angle 2θ1/2 IF = 20mA ---- 110/50 --- Deg. ---- Page: 2 of 3 LED SPECIFICATION Part No.：7511MR2D Typical electrical/optical characteristic curves： FORWARD CURRENT Vs FORWARD VOLTAGE 50 Luminous Intensity Relative Value at IF=20mA 2.5 Forward Current(mA) 40 30 20 10 0 1.5 2.1 2.3 1.7 1.9 Forward Voltage(V) 10 40 60 80 Relative Luminous Intensity Ambient Temperature TA (℃ ) 0.5 0 Relative Luminous Intensity 20 20 1.0 0 10 20 30 40 IF-Forward Current (mA) 50 2.5 30 0 1.5 LUMINOUS INTENSITY Vs. AMBIENT TEMPERATURE 40 0 2.0 2.5 FORWARD CURRENT DERATING CURVE 50 Forward Current(mA) LUMINOUS INTENSITY Vs. FORWARD CURRENT 100 2.0 1.5 1.0 0.5 0 -40 -20 0 20 40 60 80 Ambient Temperature T A (℃ ) 100 100 75 50 25 0 450 500 550 650 600 Wavelength λ(nm) 700 750 Page: 3 of 3