650nm Multimode Red Laser Diode
Description
The SLD1138VL is a longitudinal multimode red
laser diode designed for DVD systems.
Features
• Low operation current (50mA typ.)
• Small package (φ5.6mm)
• Longitudinal multimode
Applications
DVD
Structure
• AlGaInP MQW laser diode
• PIN photodiode to monitor laser beam output
SLD1138VL
M-274
Recommended Optical Power Output 4mW
Absolute Maximum Ratings (Tc = 25°C)
• Optical power output Pomax 5 mW
• Reverse voltage VR LD 2 V
PD 15 V
• Operating temperature Topr –10 to +70 °C
• Storage temperature Tstg –40 to +85 °C
Connection Diagram Pin Configuration
Common
3
LDPD
12
2
3
Bottom View
1
1. LD anode
2. PD anode
3. Common
Sony reserves the right to change products and specifications without prior notice. This information does not convery any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
– 1 –
E01405-PS
SLD1138VL
Electrical and Optical Characteristics (Tc = 25°C) Tc: Case temperature
Item
Threshold current
Operating current
Operating voltage
Wavelength
Differential efficiency
Radiation
angle
Paralell
Perpendicular
Astigmatism
Positional
Angle
accuracy
Position
Monitor current
Symbol
Ith
Iop
Vop
λp
ηD
θ//
θ⊥
As
∆φ//
∆φ⊥
∆X, ∆Y, ∆Z
Imon
Conditions
Po = 4mW
Po = 4mW
Po = 4mW
Po = 4mW
Po = 4mW
Po = 4mW
Po = 4mW
Po = 4 mW, VR = 5V
Min.
—
—
—
—
0.4
7
25
—
—
—
—
0.05
Typ.
45
50
2.3
655
0.6
8.5
35
12
—
—
—
0.1
Max.
55
65
2.7
660
0.8
11
40
20
±2
±3
±80
0.3
Unit
mA
mA
V
nm
mW/mA
degree
degree
µm
degree
degree
µm
mA
– 2 –