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ASDL-4264
High Efficiency T-1 3/4 (5mm) Infrared (940nm) Lamp
Data Sheet
Description
ASDL-4264 is a Infrared emitter that is optimized for high efficiency at emission wavelength of 940nm. This device is designed for high current and low forward voltage applications. It is encapsulated in T1-3/4 (5mm) package and is suitable for high performance replacements of standard emitters.
Features
* T 1- 3/4 Package * 940nm Wavelength * Narrow Viewing Angle * Low Forward Voltage * Ideal for High Current and Low Forward Voltage Application * Paired Device to ASDL-5770 and ASDL-5771 * Design for Smoke Detector & Fire Alarm Application * Lead Free & ROHS Compliant * Available in Tape & Reel
Applications
* Smoke Detector * IR Remote Control for Consumer Devices * IR Remote Control for Industrial Equipment * Photo-interrupters * Reflective Applications * Infrared Illuminator Security Camera
Ordering Information
Part Number ASDL-4264-C22 ASDL-4264-C31 Lead Form Straight Color Clear Packaging Tape & Reel Bulk Shipping Option 2000pcs 8000pcs / Carton
Absolute Maximum Ratings at 25C
Parameter Peak Forward Current DC Forward Current Power Dissipation Reverse Voltage Operating Temperature Storage Temperature LED Junction Temperature Lead Soldering Temperature [1.6mm (0.063") From Body] Symbol IFPK IFDC PDISS VR TO TS TJ 260C for 5 seconds -40 -55 Min. Max 3 150 250 5 85 100 110 Unit A mA mW V C C C Reference 300pps
Electrical Characteristics at 25C
Parameter Forward Voltage Reverse Voltage Thermal Resistance Junction to Ambient Symbol VF VR Rqja 5 250 Min. Typ. 1.2 Max. 1.6 Unit V V C/W Condition IFDC=20mA IR=100uA
Optical Characteristics at 25C
Parameter Radiant On-Axis Intensity Viewing Angle Peak wavelength Spectral Width Optical Rise Time Symbol IE 21/2 PK tr Min. 6.02 8.42 22 940 50 1 deg nm nm us IFDC = 20mA IFDC = 20mA IFPK=100mA Duty Factor=50% Pulse Width=10us IFPK=100mA Duty Factor=50% Pulse Width=10us Typ. Max. 12.63 Unit mW/Sr Condition IFDC=20mA Bin Bin A Bin B
Optical Fall Time
tf
1
us
2
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 1.5mm (.059") max 4. Lead spacing is measured where leads emerge from package 5. Specifications are subject to change without notice
3
Typical Electrical / Optical Characteristics
(TA = 25C Unless Otherwise Indicated)
1.0 180 150 120 90 60 30 0 -40 -20 0 20 40 60 80 100
Relative Radiant Intensity
0.5
0
840
940 Wavelength (nm)
1040
Forward Current IF (mA)
Ambient Temperature Ta ( o C)
Figure 1. Spectral Distribution
150 120
Figure 2. Forward Current Vs. Ambient Temperature
Output Power Relative To Value at IF=20mA
1.2 1.0 0.8 0.6 0.4 0.2 0 -20 0 20 40 60 Ambient Temperature Ta ( oC) 80
Forward Current (mA)
90 60 30 0
0
1.2
1.6
2.0
2.4
2.8
Forward Voltage (V)
Figure 3. Forward Current Vs. Forward Voltage
Output Power Relative To Value at IF=20mA
10.0 8.0
Figure 4. Relative Radiant Intensity Vs. Ambient Temperature
0
o
10
o
20
o
30
o
Relative Radiant Intensity
6.0 4.0 2.0 0
40 1.0 0.9 0.8 0.7 50 60 70 80 90 0.5 0.3 0.1 0.2 0.4 0.6
o
o o o o o
0
40
80
120
160
200
Foward Current (mA)
Figure 5. Relative Radiant Intensity Vs. Forward Current
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 (c) 2007 Lite-On Technology Corporation. All rights reserved.

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