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FEATURES Wavelength: 635nm (typ.) Colour: Red Threshold Current: Ith = 20mA (typ.) Output Power: 5mW at 50oC (CW) Package: ø5.6mm with PD APPLICATIONS Laser Pointer Leveler Line Marker Please note: Due to the merger between Sanyo and Panasonic, Sanyo will cease production of the DL-3148-037 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 7 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 - 6 - mW - Threshold Current Ith - 20 40 mA CW Operating Current Iop - 30 50 mA Po=5mW Differential Efficiency η - 0.5 - mW/mA Po=5mW Operating Voltage Vop - 2.3 2.5 V Po=5mW Peak Wavelength λp 630 635 640 nm Po=5mW Monitoring Output Current Po 0.1 0.25 0.4 mA Po=5mW Beam *5 Θ// 6.0 8.0 10.0 deg Po=5mW Divergence Θ⊥ 25 30 35 deg Po=5mW Beam ΔΘ// -3 - +3 deg Po=5mW Angle ΔΘ⊥ -3 - +3 deg Po=5mW 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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