ASDL-4263 High Efficiency T-1 ¾ (5mm) Infrared (940nm) Lamp Data Sheet Description Features ASDL-4263 is a Infrared emitter that is optimized for high efficiency at emission wavelength of 940nm and narrow viewing angle. This device is designed for high radiant intensity and low forward voltage applications. It is encapsulated in T1-3/4 (5mm) package and is suitable for high performance replacements of standard emitters. • T 1- ¾ Package • 940nm Wavelength • Narrow Viewing Angle • High Brightness • Low Forward Voltage • Paired Device to ASDL-5770 and ASDL-5771 • Design for Smoke Detector & Fire Alarm Application Applications • Lead Free & ROHS Compliant • Smoke Detector • Available in Tape & Reel • IR Remote Control for Consumer Devices • IR Remote Control for Industrial Equipment • Photo-interrupters • Reflective Applications • Infrared Illuminator Security Camera Ordering Information Part Number Lead Form Color Packaging Shipping Option ASDL-4263-C22 ASDL-4263-C31 Straight Clear Tape & Reel Bulk 2000pcs 8000pcs / Carton Absolute Maximum Ratings at 25°C Parameter Symbol Peak Forward Current DC Forward Current Min. Max Unit Reference IFPK 3 A 300pps IFDC 50 mA Power Dissipation PDISS 100 mW Reverse Voltage VR 5 V Operating Temperature TO -40 85 °C Storage Temperature TS -55 100 °C LED Junction Temperature TJ 110 °C Lead Soldering Temperature [1.6mm (0.063”) From Body] 260°C for 5 seconds Typ. Max. Unit Condition 1.2 1.6 V IF=20mA V IR=100uA Electrical Characteristics at 25°C Parameter Symbol Forward Voltage VF Reverse Voltage VR Thermal Resistance, Junction to Ambient Rqja Min. 5 °C/W 250 Optical Characteristics at 25°C Parameter Symbol Min. Radiant On-Axis Intensity IE Typ. Max. Unit Condition Bin 9.72 19.08 mW/Sr IF=20mA Bin A 12.72 23.58 Bin B 15.72 Bin C Viewing Angle 2θ1/2 20 deg Peak wavelength λPK 940 nm IFDC = 20mA Spectral Width Δλ 50 nm IFDC = 20mA Optical Rise Time tr 1 us IFPK=100mA Duty Factor=50% Pulse Width=10us Optical Fall Time tf 1 us IFPK=100mA Duty Factor=50% Pulse Width=10us Package Dimension Notes: 1. All dimensions are in millimeters (inches) 2. Tolerance is + 0.25mm (.010”) unless otherwise noted 3. Protuded resin under flange is 1.0mm (.039”) max 4. Lead spacing is measured where leads emerge from package 5. Specifications are subject to change without notice Typical Electrical / Optical Characteristics (TA = 25°C Unless Otherwise Indicated) 60 Forward Current IF (mA) 50 0.5 0 860 960 Wavelength (nm) Figure 1. Spectral Distribution Forward Current (mA) 40 30 20 10 0 1.2 1.6 2.0 2.4 Forward Voltage (V) 2.8 Figure 3. Forward Current Vs. Forward Voltage 20 10 -20 0 20 40 60 80 o Ambient Temperature Ta ( C) 100 1.2 1.0 0.8 0.6 0.4 0.2 0 -20 0 20 40 60 80 Ambient Temperature Ta ( oC) Figure 4. Relative Radiant Intensity Vs. Ambient Temperature 10.0 0 o 10 o 20 o 30 8.0 Relative Radiant Intensity Output Power Relative To Value at IF=20mA 30 Figure 2. Forward Current Vs. Ambient Temperature 50 0 40 0 -40 1060 Output Power Relative To Value at IF=20mA Relative Radiant Intensity 1.0 6.0 4.0 2.0 0 0 20 40 60 80 40 1.0 0.9 50 0.8 60 0.7 70 80 90 100 Foward Current (mA) Figure 5. Relative Radiant Intensity Vs. Forward Current 0.5 0.3 0.1 Figure 6. Radiation Diagram For company and product information, please go to our web site: WWW.liteon.com or http://optodatabook.liteon.com/databook/databook.aspx Data subject to change. Copyright © 2007 Lite-On Technology Corporation. All rights reserved. 0.2 0.4 0.6 o o o o o o o