AlGaAs laser diodes
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RLD78NZH1
Laser diodes
AlGaAs laser diodes
RLD78NZH1
The RLD78NZH1 is the laser diode for laser pr...
Description
www.DataSheet4U.com
RLD78NZH1
Laser diodes
AlGaAs laser diodes
RLD78NZH1
The RLD78NZH1 is the laser diode for laser printers that has excellent temperature characteristics and excellent droop characteristics.
0.4±0.1
φ1.0Min.
zApplications Laser printers Optical sensors zFeatures 1) Absolute max. output power is 5mW. 2) High-precision, compact package.(φ5.6mm) 3) Low droop. 4) Can be driven by single power supply (N type).
zExternal dimensions (Unit : mm)
90°±2°
Equivalent circuit diagram
(3)
φ4.4+0
N t y p e
L.D. (1)
φ3.6
1.0±0.1
P.D. (2)
Optical distance 1.35
1.2±0.1 6.5±0.5 2.3
φ5.6
+0 −0.025
Glass window Chip
3−φ0.45
(3)
(2) (1)
zAbsolute maximum ratings (Tc=25°C)
Parameter
Output
Reverse voltage
Symbol PO
Limits 5 2 30 −10 to +60 −40 to +85
Unit mW V V °C °C
Laser PIN photodiode
VR VR (PIN) Topr Tstg
Operating temperature Storage temperature
1/2
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RLD78NZH1
Laser diodes
zElectrical and optical characteristics (Tc=25°C)
Parameter
Threshold current Operating current Operating voltage Differential efficiency Monitor current Parallel divergence angle Perpendicular divergence angle Parallel deviation angle Perpendicular deviation angle Emission point accuracy Peak emission wavelength Droop
Symbol
Ith
Iop
Vop η
Min.
− − − 0.1
Typ.
16
28
1.9 0.25
Max.
45
65
2.3 0.4
Unit
mA
mA
V mW/mA
Conditions
−
PO=3mW
PO=3mW 2mW I(3mW) − I(1mW)
PO=3mW
Im
θ //∗
0.2
8
25
−
− −100
0.45
11
30
−
− −
0.9
15
38
±2
±3 +100
mA
deg
deg
deg
deg µ...
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