SLD235VL is a high power, index-guided AlGaAs laser diode produced by Sony. It features high power, low current consumption, small astigmatism, and a small package (φ5.6mm). It is suitable for CD-R/RW optical pickups.
The Sony SLD235VL is a high‑power, index‑guided AlGaAs laser diode intended for optical pickup applications such as CD‑R/RW. The document outlines its features, recommended operating optical power, and absolute maximum ratings.
Key sections cover optical and electrical characteristics, safety classifications, handling precautions for electrostatic discharge, and package dimensions. Users are advised to follow the safety notes, especially regarding laser class, eye protection, and proper disposal of arsenic‑containing components.
| Recommended Operating Optical Power Output | 60 mW |
|---|---|
| Maximum CW Optical Power Output | 70 mW |
| Maximum Pulse Optical Power Output | 110 mW |
| Reverse Voltage (V_RLD) | 2 V |
| Threshold Current (I_th cw) | 15 – 35 mA |
| Operating Current (I_op cw, P=70 mW) | 80 – 115 mA |
| Operating Voltage (V_op cw, P=70 mW) | 2.0 – 2.3 V |
| Wavelength | 778 – 792 nm |
| Differential Efficiency | 0.8 – 1.2 mW/W |
| Radiation Parallel Angle | 7.3 – 9.8 deg |
| Astigmatism | -6 – 0 µm |
The maximum CW optical output power is 70 mW.
It is classified as a Class 3B laser product.
Handle the diode carefully and prevent surge currents and ESD, as it is highly sensitive.