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Ordering number : EN5902
DL-4038-025
High Power AlGaInP Laser Diode
Overview
DL-4038-025 is a high power 635 nm (Typ.) AlGalnP laser diode.The
lasing wavelength is the same as He-Ne gas lasers. DL-4038-025 is
suitable for applications such as laser printers, line markers and other
optical information systems.
Features
• Short wavelength : 635 nm (Typ.)
• High output power : 20mW CW
• Low threshold current : Ith = 45 mA (Typ.)
• Low operating voltage : Vop = 2.3 V (Typ.)
Red Laser Diode
DL-4038-025
Package Dimensions
0
ø9.0 – 0.03
ø5.35
ø
4.75±0.15
ø2.1
Effective window diameter 1.0min.
1 3
2
1.0±0.1
0.3
LD facet
Tolerance : ± 0.2
Unit : mm
Top view
0.45±0.1
2.45±0.150.5max.
Absolute Maximum Ratings at Tc=25°C
Parameter Symbol Ratings Unit
Light Output CW Po 20 mW
Reverse Voltage
Laser
PIN 30
VR
2
V
Operating Temperature T opr ---10 to +40 °C
Storage T emperature Tstg ---40 to +85 °C
Electrical Connection
Pin No.
123
9.0mm ø stem(Red)
13
LD PD
– power supply system
Electrical and Optical Characteristics at Tc=25°C
Parameter Symbol Condition Min. Typ. Max. Unit
Threshold Current Ith CW --- 45 70 mA
Operating Current Iop Po=20mW --- 80 110 mA
Operating Voltage Vop Po=20mW --- 2.3 2.5 V
Lasing W avelength
Beam 1) Perpendicular
Divergence Parallel
Off Axis Perpendicular ∆θ ⊥ --- --- --- ±3 deg.
Angle Parallel ∆θ // --- --- --- ±3 deg.
Differential Efficiency dPo/dIop --- --- 0.6 --- mW/mA
Monitoring Output Current Im Po=20mW --- 0.03 --- mA
Astigmatism As Po=20mW --- 10 --- µm
λ
p Po=20mW --- 635 645 nm
θ
⊥ Po=20mW 20 25 35 deg.
θ
// Po=20mW 6 7 10 deg.
1.5±0.1
ø1.4max.
3– ø0.45±0.1
ø 2.54
2
5.0±0.3
10±1.0
1) Full angle at half maximum Note : The above product specification are subject to change without notice.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N2798 GI, (IM
)
No.5902 1/3
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A
A
A
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Characteristics
DL-4038-025
Output power vs. Forward current
25
40°C
25°C
20
15
10
5
Output power Po (mW)
0
050
Forward current IF (mA)
Monitoring current vs. Output power
0.10
Tc=25°C
0.08
Vr(PD)=5V
100
150
Threshold current vs. Temperature
100
80
60
40
20
Threshold current Ith (mA)
10
01020304050
Temperature Tc (°C)
Beam divergence
1.0
Po=20mW
Tc=25°C
0.8
0.06
0.04
0.02
Monitoring current Im (mA)
0
05
0¤¤mm¤m oW n ¤
Lasing wavelength vs. Temperature
645
Po=20mW
640
635
Lasing wavelength λp (nm)
630
0
10
Temperature Tc (°C)
10
20 30
15 20
40
0.6
0.4
Relative intensity
0.2
0
-40 -30 -20 -10 0 10 20 30 40
Lasing wavelength vs. Output power
Relative intensity
632 634 636 638 640 642
Po=5mW
Lasing wavelength λp (nm)
Angle θ (deg.)
Po=20mW
Po=10mW
θ
θ ⊥
//
Tc=25°C
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DL-4038-025
CAUTION
1. No products described or contained herein are intended for use in surgical implants, life-support systems,
aerospace equipment, nuclear power control systems, vehicles, disaster / crime-prevention equipment or
the like, and the failure of which may directly or indirectly cause injury, death or property loss.
2. Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1) Accept full responsibility and indemnify and defend SANYO ELECTRIC CO.,LTD., it’s affiliates,
subsidiaries and distributors or any of their officers and employees, jointly and severally, against any
and all claims and litigation and all damages, costs and expenses associated with such use.
2) Not impose any responsibility for any fault or negligence which may be cited in any such claim or
litigation on SANYO ELECTRIC CO., LTD., it’s affiliates, subsidiaries and distributors or any of
their officers and employees jointly or severally.
3. Information (including circuit diagrams and circuit parameters) disclosed herein is for example only; it is not
guaranteed for mass production, SANYO believes the information disclosed herein is accurate and reliable,
but no guarantees are made or implied regarding it’s use or any infringements of intellectual property rights
or other rights of third parties.
Precautionary instructions in handling gallium arsenic products
Special precautions must be taken in handling this product because it contains, gallium arsenic, which is
designated as a toxic substance by law. Be sure to adhere strictly to all applicable laws and regulations
enacted for this substance, particularly when it comes to disposal.
Manufactured by ; Tottori SANYO Electric Co., Ltd.
Electronics Device Bussiness Headquaters LED Division
5-318, Tachikawa-cho, Tottori City, 680-8634 Japan
TEL: +81-857-21-2137 FAX: +81-857-21-2161
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