RLD78MPA1
Laser Diodes
780nm Low Power Lasers
RLD78MPA1
A long-run product with market-proved high reliability. Matching to various needs.
Applications
CD-ROM
CD player
etc.
Dimensions (Unit : mm)
Equivalent circuit diagram
5.0
2.4
φ
5.6
Features
1) Optical power output : CW 5mW
2) Low noise
3) High precision φ5.6 metal stem
φ2
φ3.6
1
3
2
φ4.4max.
90°
(3)
φ1.6
Sub-mount
Laser chip
PD
LD
1.35
(1) (2)
φ1.2max.
6.5
0.5max.
1.2
2.3
φ1min.
3-φ0.45
Absolute maximum ratings (Tc=25°C)
Parameter
Output
Reverse
voltage
Laser
Photodiode
Operating temperature
Storage temperature
Symbol
Po
VR
VR (PIN)
Top
Tstg
Limits
5
2
30
-10 to +75
-40 to +85
Unit
mW
V
V
℃
℃
Electrical and optical characteristics (Tc=25°C)
Parameter
Symbol
Threshold current
Ith
Operating current
Iop
Operating voltage
Vop
Differential efficiency
η
Monitor current
Im
Parallel divergence angle
θ〃
Perpendicular divergence angle
θ⊥
Parallel deviation angle
Δφ〃
Perpendicular deviation angle
Δφ⊥
Emission point accuracy
ΔX, ΔY, ΔZ
λ
Peak emission wavelength
S/N
Signal-to-Noise ratio
Min.
0.1
0.05
8
20
-2
-3
-100
770
60
Typ.
35
45
1.9
0.25
0.1
11
37
0
0
0
785
-
Max.
60
70
2.3
0.6
0.3
15
45
2
3
100
810
-
Unit
mA
mA
V
mW/mA
mA
deg
deg
deg
deg
μm
nm
dB
Conditions
Po=3mW
Po=3mW
2mW/(I(3mW)-I(1mW))
Po=3mW, VR(PIN)=15V
Po=3mW
Po=3mW
f=720kHz, Δf=10kHz, Po=3mW
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