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Sharp GH0781JA2C Datasheet
image/svg+xml
62
GH0781JA2C
Laser Diodes
NoticeIn the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
InternetInternet address for Electronic Components Group http://sharp-world.com/ecg/
GH0781JA2C
■
Features
(1)Maximum optical power output : 120mW (CW)
(2)High power (pulse MAX. 180mW), MAX.
◊
32 speed writing
(3)High coupling efficiency.
The ellipticity (
θ⊥
/
θ
//) is close to 1.
(4)Wavelength : TYP. 784nm
(5)
φ
5.6mm package
■
Applications
(1)CD-R drives
(2)CD-RW drives
■
Outline Dimensions
High Power Laser Diode for MAX.
✕
32
Speed CD-R Drive(784nm-pulse 180mW)
(Unit : mm)
Reference plane
Laser chip
Emission point
Cap glass
X
ø2.0
Y
Z
0.4
±
0.1
1.0
±
0.15
0.25
±
0.03
0.4
±
0.1
3-ø0.45
±
0.1
ø1.2 MAX.
0.5 MIN.
2
3
1
ø3.55
±
0.1
ø5.6
+
–
0
0.025
ø4.4MAX.
ø1.0
MIN.
0.5 MAX.
burr0.1 MAX.
2.3
±
0.5
1.2
±
0.1
1.27
±
0.08
6.5
±
1.0
Tolerance
±
0.2mm
❇
2
❇
2
❇
2
❇
1
2
3
1
90
±
2
■
Absolute Maximum Ratings
(T
C
=25˚C
❇
1
)
Terminal connection
Enlarged view of emission point
Non connection
q
w
e
Laser
diode
Center of virtual circle that runs
3 points on the stem periphery
Emission point
0
±
0.08
0
±
0.08
X
Y
ParameterSymbolRatingUnit
Reverse voltageV
rl
2V
❇
1
Operating temperature
❇
3
CW
T
opc(c)
-10 to +65˚C
❇
2
Pulse
-10 to +75
Storage temperatureT
stg
-40 to +85˚C
❇
4
Soldering temperature
T
sld
300˚C
❇
1
Case temperature
❇
2
Pulse width : 0.5µs, Duty : 50%
❇
3
CW (Continuous Wave) drive
❇
4
At the position of 1.6mm or more from
the lead base (Within 3s)
❇
3
Optical power output
P
O
120mW
❇
2
Optical power output (pulse)
P
p
180
Laser
T
opp(c)
˚C
mW
❇
1 : Dimension measured at lead base
❇
2 : Within 0.6mm from reference plane
image/svg+xml
NoticeIn the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
InternetInternet address for Electronic Components Group http://sharp-world.com/ecg/
63
GH0781JA2C
Laser Diodes
■
Electro-optical Characteristics
❇
1
(T
C
=25˚C)
ParameterSymbolMAX.Unit
Threshold currentI
th
40mA
Half intensity angle
❇
2
❇
3
Parallel
θ//
9.6˚
17.5
❇
4
Ripple
R
l
+
20
%
Misalignment angle
∆θ⊥
+
2.5
❇
1
Initial value, CW (Continuous Wave) drive
❇
2
Angle at 50% peak intensity (full-width at half-maximum)
❇
3
Parallel to the junction plane (X-Z plane)
Perpendicular to the junction plane (Y-Z plane)
❇
4
R
l
=
∆
P/P
∆
P : the maximum deviation of the far field pattern from its approximate curve P : the peak of the approximate curve
❇
5
Pulse drive (Pulse width : 0.5µs, Duty : 50%)
ConditionsMIN.TYP.
−
-30
7.88.7
❇
2
❇
3
Perpendicular
14.516
-20-
-2.5-
Operating currentI
op
Po=100mW
-141167mA
Operating voltageV
op
-2.12.5V
Wavelength
λ
p
780784787nm
θ⊥
❇
3
Parallel
∆θ//
-1.5-
+
1.5
˚
❇
3
Perpendicular
Interference pattern intensity
α
Po=100mW–1-
Polarization ratioP
l
Po=3mW, NA=0.1320—
Differential efficiency
η
d
70mW
I(100mW)-I(30mW)
0.80.91.2mW/mA
˚
˚
❇
5
Kink
K-LIP1=36mW, P2=108mW, P3=180mW–10%
• Please refer to the chapter "Handling Precautions"
image/svg+xml
150
Application Circuits
NOTICE
●
The circuit application examples in this publication are provided to explain representative applications of
SHARP devices and are not intended to guarantee any circuit design or license any intellectual property
rights. SHARP takes no responsibility for any problems related to any intellectual property right of a
third party resulting from the use of SHARP’s devices.
●
Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
●
Observe the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
— Personal computers
— Office automation equipment
— Telecommunication equipment [terminal]
— Test and measurement equipment
— Industrial control
— Audio visual equipment
— Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
— Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
— Traffic signals
— Gas leakage sensor breakers
— Alarm equipment
— Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
— Space applications
— Telecommunication equipment [trunk lines]
— Nuclear power control equipment
— Medical and other life support equipment (e.g., scuba).
●
Contact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
●
If the SHARP devices listed in this publication fall within the scope of strategic products described in the
Foreign Exchange and Foreign Trade Law of Japan, it is necessary to obtain approval to export such
SHARP devices.
●
This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under
the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of SHARP. Express written permission is also required before any use of this publication
may be made by a third party.
●
Contact and consult with a SHARP representative if there are any questions about the contents of this
publication.
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