LED SPECIFICATION 540MR2C Features： Single color High bright output Low power consumption High reliability and long life Descriptions： Dice material：AlGaInP Emitting Color：Super Bright Red Device Outline：φ5mm Round Type Lens Type：Water Clear Directivity： 1. All dimensions are millimeters 2. Tolerance is +/-0.25mm unless otherwise noted DIRECTIVITY 0° Relative Luminous 1.0 Ta=25° C IF=20mA 30° 60° 0.5 0 90° 60° 30° 0° 0.5 90° 1.0 Radiation Angle Page: 1 of 3 LED SPECIFICATION 540MR2C Absolute maximum ratings（Ta = 25℃） Parameter Symbol Test Condition Reverse Voltage VR Forward Current Power Dissipation Values Unit Min. Max. IR = 30μA 5 -- V IF ---- ---- 30 mA Pd ---- ---- 75 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 Test Condition Forward Voltage VF Reverse Current Values Unit Min. Typ. Max. IF=20mA ---- 2.2 2.6 V IR VR=5V ---- ---- 30 μA Dominate Wavelength λd IF=20mA 620 626 630 nm Peak Wavelength λp IF=20mA ---- 632 ---- nm Spectral Line half-width Δλ IF=20mA ---- 20 ---- nm IV IF=20mA BIN ---- mcd 2θ1/2 IF=20mA 40 ---- deg. Luminous Intensity Viewing Angle ---- Luminous Intensity Bins（Ta = 25℃） Unit:mcd Bin U V W Min 1520 2130 3000 Max 2130 3000 4180 Page: 2 of 3 LED SPECIFICATION 540MR2C Typical electrical/optical characteristic curves： FORWARD CURRENT Vs FORWARD VOLTAGE 2.5 Luminous Intensity Relative Value at IF=20mA Forward Current(mA) 50 40 30 20 10 0 1.7 2.1 2.3 2.5 1.9 Forward Voltage(V) 60 80 Ambient Temperature T A (℃ ) 0.5 0 Relative Luminous Intensity 10 Relative Luminous Intensity Forward Current(mA) 20 40 1.0 0 10 20 30 40 IF-Forward Current (mA) 50 2.5 30 20 1.5 LUMINOUS INTENSITY Vs. AMBIENT TEMPERATURE 40 0 2.0 2.7 FORWARD CURRENT DERATING CURVE 50 0 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