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| SLD1133VL-53 650nm Index-Guided Red Laser Diode Description The SLD1133VL-53 is an index-guided red laser diode designed for DVD systems. For bar code scanners, its wavelength (650nm Typ.) is 20nm shorter than that of the current device. Features * Small astigmatism (7m typ.) * Low operating current (60mA typ.) * Small package (5.6mm) * Single longitudinal mode Applications * DVD * Bar code scanner Structure * AlGaInP quantum well structure laser diode * PIN photo diode for optical power output monitor Recommended Optical Power Output 5mW M-274 Absolute Maximum Ratings (Tc = 25C) * Optical power output Po 7 mW 2 V * Reverse voltage VR LD PD 15 V * Operating temperature Topr -10 to +70 C * Storage temperature Tstg -40 to +85 C Connection Diagram Pin Configuration Common 3 2 1 PD 2 1 LD 3 1. LD Anode 2. PD Anode 3. Common Bottom View Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E98213C92-PS SLD1133VL-53 Electrical and Optical Characteristics Item Threshold current Operating current Operating voltage Wavelength Radiation angle Positional accuracy Perpendicular Parallel Position Angle Ith Iop Vop // X, Y, Z // D As Imon Po = 5mW Po = 5mW Po = 5mW, VR = 5V Po = 5mW Po = 5mW Po = 5mW Po = 5mW Po = 5mW Symbol Conditions (Tc: Case temperature, Tc = 25C) Min. Typ. 50 60 2.3 640 24 7 650 30 8 Max. 65 70 2.8 660 40 10 80 2 3 0.15 0.4 7 0.08 0.1 0.7 15 0.25 Unit mA mA V nm degree degree m degree degree mW/mA m mA Differential efficiency Astigmatism Monitor current Handling Precautions (1) Eye protection against laser beams The optical output of laser diodes ranges from several mW to 4W. However the optical power density of the laser beam at the diode chip reaches 1MW/cm2. Unlike gas lasers, since laser diode beams are divergent, uncollimated laser diode beams are fairly safe at a laser diode. For observing laser beams, ALWAYS use safety goggles that block infrared rays. Usage of IR scopes, IR cameras and fluorescent plates is also recommended for monitoring laser beams safely. Safety goggles for protection from laser beam Laser diode Lens Optical material IR fluorescent plate Optical board Optical power output control device Temperature control device (2) Prevention of surge current and electrostatic discharge Laser diode is most sensitive to electrostatic discharge among semiconductors. When a large current is passed through the laser diode even for an extremely short time (in the order of nanosecond), the strong light emitted from the laser diode promotes deterioration and then laser diodes are destroyed. Therefore, note that the surge current should not flow the laser diode driving circuit from switches and others. Also, if the laser diode is handled carelessly, it may be destructed instantly because electrostatic discharge is easily applied by a human body. Be great careful about excess current and electrostatic discharge. -2- SLD1133VL-53 Example of Representative Characteristics Optical power output vs. Forward current characteristics Optical power output vs. Monitor current characteristics TC = 0C 25C 50C 70C 7 6 Po = 5mW Tc = 25C TC = 0C 25C 50C 70C Far field pattern (FFP) Relative radiant intensity Po - Optical output [mW] 5 Imon 4 3 2 1 0 // 0 0 20 40 60 80 100 -60 -40 -20 IF - Forward current [mA] 0.2 Imon - Monitor current [mA] 0 20 Angle [degree] 40 60 Threshold current vs. Temperature characteristics 200 0.2 Monitor current vs. Temperature characteristics PO = 5mW Ith - Threshold current [mA] lmon-Monitor current [mA] 80 100 0.1 10 -20 0 20 40 60 Tc - Case temperature [C] 0 -20 0 20 40 60 Tc - Case temperature [C] 80 -3- SLD1133VL-53 Temperature dependence of spectrum Po = 5mW Tc = 70C Tc = 50C Relative radiant intensity Tc = 25C Tc = 0C 645 650 655 - Wavelength [nm] 660 665 -4- SLD1133VL-53 Power output dependence of spectrum Tc = 25C Po = 7mW Po = 5mW Relative radiant intensity Po = 3mW Po = 1mW 645 650 655 - Wavelength [nm] 660 665 -5- SLD1133VL-53 Package Outline Unit: mm M-274 Reference Slot 0.5 3 1.0 90 2 1 0 5.6 - 0.025 Window Glass 4.4 MAX 3.7 MAX 1.0 MIN 0.5 MIN 0.4 231 3 - 0.45 PCD 2.0 Optical Distance = 1.35 0.08 SONY CODE EIAJ CODE JEDEC CODE M-274 6.5 LD Chip & Photo Diode 1.2 0.1 Reference Plane 2.6 MAX 0.25 1.26 PACKAGE WEIGHT 0.3g -6- |
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