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FEATURES Wavelength: 635nm (typ.) Colour: Red Threshold Current: Ith = 40mA (typ.) Output Power: 10mW at 50oC (CW) Package: ø5.6mm with PD APPLICATIONS Laser Marker Leveller Please note: Due to the merger between Sanyo and Panasonic, Sanyo will cease production of the DL-4148-031 diode at the end of September 2010. Semicom Visual will source stock for as long as possible, but we can not guarantee how much longer this laser will be available. ABSOLUTE MAXIMUM RATINGS (Tc=25°C) Items Symbols Values Units Optical Output Power Po 12 mW Laser Diode Reverse Voltage V 2 V Photo Diode Reverse Voltage V 30 V Operating *1 Temperature To -10 to +50 °C Storage Temperature Ts -40 to +85 °C *1 Case temperature

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ELECTRICAL AND OPTICAL CHARACTERISTICS *2 *3 (Tc=25oC) Item Symbols Min. Typ. Max. Unit Condition Optical Output Power Po - 12 - mW - Threshold Current Ith - 40 60 mA CW Operating Current Iop - 60 80 mA Po=10mW Differential Efficiency η - 0.5 - mW/mA Po=10mW Operating Voltage Vop - 2.3 2.5 V Po=10mW Peak Wavelength λp - 635 645 nm Po=10mW Monitoring Output Current Po 0.05 0.25 0.4 mA Po=10mW Beam *5 Θ// 6.0 8.0 10.0 deg Po=10mW Divergence Θ⊥ 25 30 35 deg Po=10mW Beam ΔΘ// -2 - +2 deg Po=10mW Angle ΔΘ⊥ -2 - +2 deg Po=10mW 2) Initial values   3) All the above values are evaluated with Tottori Sanyo's measuring apparatus 5) Full angle at half maximum

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