RLD78MYA1
Features
1) φ5.6 metal shell type open package. 2) A laser element is protected by using a metal cap. 3) Interchangeability reservation with φ5.6 metal package of an industry standard.
Sub-mount
φ1.6
LD Chip
6.5±1
3-φ0.45
!Absolute maximum ratings (Tc=25°C)
Parameter
Output
Reverse voltage
Symbol PO
Limits 5 2 30
- 10 to +70
- 40 to +85
Unit m W V V °C °C
Laser PIN photodiode
VR VR (PIN) Topr Tstg
Operating temperature Storage temperature
1.35±0.1
φ3.6
5.6±0.025
φ4.4max.
φ2±0.25
1/3
Laser diodes
!Electrical 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 Signal-to-noise ratio Symbol Ith Iop Vop η Im θ// ∗ θ⊥ ∗ ∆φ// ∆φ⊥ ∆X ∆Y ∆Z λ S/N 770 60 785
- 810
- nm d B Po=3m W f=720k Hz, ∆f=10k Hz Min.
- -
- 0.1...
