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HL7851G Datasheet(PDF) 2 Page - Hitachi Semiconductor |
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HL7851G Datasheet(HTML) 2 Page - Hitachi Semiconductor |
2 / 4 page ![]() HL7851G 174 Absolute Maximum Ratings (T C = 25°C) Item Symbol Rated Value Unit Optical output power P O 50 mW Pulse optical output power P O (pulse) 60* 1 mW LD reverse voltage V R (LD) 2 V PD reverse voltage V R (PD) 30 V Operating temperature Topr –10 to +60 °C Storage temperature Tstg –40 to +85 °C Note: 1. Maximum 50% duty cycle, maximum 1 µs pulse width Optical and Electrical Characteristics (T C = 25°C) Item Symbol Min Typ Max Unit Test Conditions Optical output power P O 50 — — mW Kink free Threshold current Ith — 45 70 mA Slope efficiency η 0.35 0.55 0.7 mW/mA 40 mW/ I (45 mW) – I (5 mW) Operating current Iop — 140 170 mA P O = 50 mW LD Operating voltage Vop — 2.3 2.7 V P O = 50 mW Lasing wavelength λp 775 785 795 nm P O = 50 mW Beam divergence (parallel) θ// 8 9.5 12 deg. P O = 50 mW, FWHM Beam divergence (perpendicular) θ⊥ 18 23 28 deg. P O = 50 mW, FWHM Monitor current Is 25 — 150 µA P O = 5 mW, VR (PD) = 5 V Astigmatism A S — 5 — µm P O = 5 mW, NA = 0.4 |
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