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| HSDL-4250 and HSDL-4251 High-Performance T-1 3/4 (5mm) AlGaAs Infrared (870nm) Lamp Datasheet Description The HSDL-4250 and HSDL-4251 High Performance Infrared emitters were designed for applications that require high power, low forward voltage and high speed. It utilizes Aluminum Galium Arsenide (AlGaAs) LED technology and is optimized for speed and efficiency at emission wavelengths of 870nm. The material used produces high radiant efficiency over a wide range of currents. The emitter is packaged in clear T-13/4 (5mm) package. 5.0 0.2 Features * High Power AlGaAs LED Technology * 870nm Wavelength * T-13/4 Package * Low Cost * Low Forward Voltage: 1.4V at 20mA * High Speed: 40ns Rise Time Applications * Industrial Infrared Equipments and applications * Portable Infrared Instruments * Consumer Electronics (Optical mouse, Infrared Remote Controllers etc) 1.14 0.2 8.7 0.2 * High Speed Infrared Communications (IR LANs, IR Modems, IR Dongles etc) 5.8 0.2 Part Number HSDL-4250 HSDL-4251 Lead Form Straight Straight Shipping Option Bulk Bulk 31.6 min. 0.7 max. 2.54 CATHODE FLAT 1.0 min. 0.50 0.1 Absolute Maximum Ratings at 25C Parameter Peak Forward Current Symbol IFPK Minimum - Maximum 500 Unit mA Reference Figure 3 Duty cycle = 20% Pulse Width = 100us [1] IR=100uA Forward Current Power Dissipation Reverse Voltage Storage Temperature LED Junction Temperature Lead Soldering Temperature Notes: 1. Derate as shown in Figure 6. IFDC PDISS VR TS TJ 5 -40 100 190 100 110 260 for 5 sec mA mW V C C C Recommended Operating Conditions Parameter Operating Temperature Symbol TO Min -40 Max 85 Unit C Reference Electrical Characteristics at 25C Parameter Forward Voltage Forward Voltage Temperature Coefficient Series Resistance Diode Capacitance Thermal Resistance, Junction to Ambient Symbol VF V/T RS CO Rja Min. Typ. 1.4 1.5 -1.44 2.5 75 300 Max. 1.6 1.9 Unit V mV/C Ohms pF C/W Condition IFDC=20mA IFDC=100mA IFDC=100mA IFDC=100mA Vbias=0V, f=1MHz Reference Figure 2 Figure 3 Figure 4 2 Optical Characteristics at 25C Parameter Radiant On-Axis Intensity Radiant On-Axis Intensity Temperature Coefficient Viewing Angle Peak Wavelength Peak wavelength Temperature Coefficient Spectral Width Optical Rise and Fall Time Symbol IE IE/T 21/2 pk /T tr/tf HSDL-4250 HSDL-4251 HSDL-4250 HSDL-4251 Min. 124 56 Typ. 180 100 Max. Unit mW/Sr mW/Sr %/C nm nm/C nm ns IFDC=100mA IFDC=50mA IFDC=500mA Duty Ratio = 20% Pulse Width=125ns Figure 1 Condition IFDC=100mA IFDC=100mA IFDC=100mA Figure 7 Figure 7 Figure 1 Reference Figure 5 -0.43 15 30 870 0.22 45 40 - Peak Wavelength Vs Relative Radiant Intensity 1.2 1 Relative Radiant Intensity If - Forward Current - (mA) V-I Characteristics 100 0.8 0.6 0.4 0.2 0 800 10 1 820 840 860 880 900 920 940 0 0.5 Peak Wavelength in nm Figure 1. Relative Radiant Intensity vs. Wavelength 1 1.5 Vf - Forward Voltage - (V) 2 Figure 2. DC Forward Current vs. Forward Voltage Peak Forward Voltage Vs Peak Forward Current 1000 Forward Voltage Vs Temperature 1.8 1.7 Forward Voltage in Volts Ifpk - Peak Forward Current - (mA) 1.6 1.5 1.4 1.3 1.2 1.1 I-Led=20mA I-Led=100mA -25 0 25 50 75 Temperature in Degrees 100 125 100 10 1 0 0.5 1 1.5 Vfpk - Peak Forward Voltage - (V) 2 1 Figure 3. Peak Forward Current vs. Forward Voltage Figure 4. Forward Voltage vs. Ambient Temperature 3 Forward Current Vs Relative Radiant Intensity 1.2 1 0.8 0.6 0.4 0.2 0 0 20 40 60 80 Forward Current in mA 100 120 Maximum Permisible DC forward current vs. ambient temperature 110 300 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 TA- Ambient Temperature -C Relative Radiant Intensity Figure 5. Relative Radiant Intensity vs. DC Forward Current IFDC MAX - Maximum DC Forward Current mA Figure 6. DC Forward Current vs. Ambient Temperature Derated Based on TJMAX=110C 4250-Angle Vs Relative Radiant Intensity 1.2 Relative Radiant Intensity 4251-Angle Vs Relative Radiant Intensity 1.2 Relative Radiant Intensity 1 0.8 0.6 0.4 0.2 0 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Angle in degrees 1 0.8 0.6 0.4 0.2 0 -100 -90 -80 -70 -60 -50-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Angle in Degrees Figure 7a. Radiant Intensity vs. Angular Displacement for HSDL-4250 Figure 7b. Radiant Intensity vs. Angular Displacement for HSDL-4251 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 (c) 2007 Lite-On Technology Corporation. All rights reserved. 4 |
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