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RLD2WMFL3 Datasheet

2-Wavelength Laser Diodes

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New Product Bulletin
2-Wavelength Laser Diodes for DVD/CD Playback
RLD2WMUL3 / RLD2WMFL3 Series
Ene rg y
Sa v ing
RLD2WMUL3
RLD2WMFL3
Supports high temperarure operation
for gaming consoles and portable equipment
Product Outlin
New waveguide enables low current operation
An optically transparent real index guide is utilized to minimize loss due to
light absorption, allowing operation with minimal current.
Real Index Guide Configuration
p-AlGaAs
Clad
p-GaAs
Contact
Optically Transparent
Current Block
p-InGaAlP
Clad
High temperature operation (80˚C)
Operating current is reduced by 32% and 46% for DVD and CD playback,
respectively, compared with conventiona l products (RLD2WMUV2 /
RLD2WMFV2). Stable operation is guaranteed up to 80˚C , 5˚Cmore than
standard models.
Temperature Characteristics Comparison
DVD
Conventional Products
7
6
25˚C
5 50˚C
4 60˚C
3
2 75˚C
80˚C
1 85˚C
0
0 10 20 30 40 50 60
If (mA)
CD
Conventional Products
7
6 25˚C
50˚C
5 60˚C
4
75˚C
3 80˚C
2 85˚C
1
0
0 10 20 30 40 50 60
If (mA)
n-AlGaAs Clad
AlGaAs
InGaP
Activation
Activation
Layer n-InGaAlP Clad Layer
C D Laser n-GaAs Substrate DVD Laser
Specifications
Absolute Maximum Ratings
Part No.
Light Output
Po (mW)
RLD2WMUL3
7/7
RLD2WMFL3
7/7
Reverse Voltage
VR (V)
2/2
2/2
Operating Temp.
Topr ( ˚C)
-10 to +80
-10 to +80
RLD2WMUL3/ RLD2WMFL3 Series
7
6 25˚C
50˚C
5 60˚C
4 Operating
3 75˚C current reduced
80˚C
322
85˚C
%
1 (at 80˚C)
0
0 10 20 30 40 50 60
If (mA)
RLD2WMUL3/ RLD2WMFL3 Series
7
6 25˚C
50˚C
5 60˚C
4
75˚C
Operating
3 80˚C current reduced
462
85˚C
%
1 (at 80˚C)
0
0 10 20 30 40 50 60
If (mA)
Storage Temp.
Tstg ( ˚C)
-40 to +85
-40 to +85
Equivalent Circuit
DVD
LD
CD
LD
PD
Electrical • Optical Characteristics (TC=25˚C, Po=5mW)
Part No.
Oscillation Wavelength Threshold Current
lp (nm)
Ith (mA)
Operating Current
Iop (mA)
Operating Voltage
Vop (V)
RLD2WMUL3
658/782
13/12
18/17
2.2/1.8
RLD2WMFL3
658/782
13/12
18/17
2.2/1.8
Monitor Current Horizontal Divergence Vertical Divergence
Im (mA)
q//(deg)
q (deg)
0.25/0.25
8.5/10
27/32
0.15/0.17
8.5/10
27/32
The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the
specifications, which can be obtained from ROHM upon request.Great care was taken in ensuring the accuracy of the information specified in this document. However,
should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage.The technical information
specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any li-
cense to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and
the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
The content specified in this document is correct as of 1st September, 2009.
www. rohm. com Access Our Website
Catalog No.52F6247E 11. 2009 ROHM ©
21 Saiin Mizosaki-cho, Ukyo-ku,
Kyoto 615-8585 Japan
TEL : +81-75-311-2121 FAX : +81-75-315-0172
www.rohm.com


Part Number RLD2WMFL3
Description 2-Wavelength Laser Diodes
Maker ROHM
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