The SLD234VL is a high power index-guided AlGaAs laser diode produced by Sony. It has the characteristics of high power, low power consumption, low astigmatism and small package. It is suitable for optical disc pickups and other applications.
The Sony SLD234VL is an index‑guided AlGaAs laser diode offering high optical output with low power consumption and a compact 5.6 mm package. It integrates a PIN photodiode for monitoring optical power and is intended for optical disc pickup applications.
The datasheet provides detailed electrical and optical characteristics, absolute maximum ratings, pin configuration, and package dimensions, enabling designers to correctly integrate the device into optical systems.
| Recommended optical power output (CW) | 50 mW |
|---|---|
| Recommended optical power output (Pulse) | 80 mW |
| Maximum reverse voltage (Vr LD) | 2 V |
| Operating temperature range | -10 °C to +60 °C |
| Threshold current (Ith cw) | 15 mA – 30 mA (typ 20 mA) |
| Operating current (Po = 50 mW) | 60 mA – 85 mA (typ 70 mA) |
| Operating voltage (Po = 50 mW) | 2.0 V – 2.5 V (typ 2.0 V) |
| Oscillation wavelength | 775 nm – 795 nm (typ 785 nm) |
| Differential efficiency | 0.8 mW/mA – 1.3 mW/mA (typ 1.0 mW/mA) |
| Radiation angle (parallel) | 7° – 10° (typ 8.5°) |
| Radiation angle (perpendicular) | 19° – 27° (typ 22°) |
The maximum reverse voltage (Vr LD) is 2 V.
It operates from –10 °C to +60 °C, with storage allowed from –40 °C to +85 °C.
Typical threshold current is about 20 mA, with a range of 15 mA to 30 mA.