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NDL7408P4K Datasheet(PDF) 4 Page - NEC |
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NDL7408P4K Datasheet(HTML) 4 Page - NEC |
4 / 8 page 4 NDL7408P Series ABSOLUTE MAXIMUM RATINGS (TC = 25 °°°°C, unless otherwise specified) Parameter Symbol Ratings Unit Forward Current of LD IF Ith + 50 mA Reverse Voltage of LD VR 2.0 V Forward Current of PD IF 10 mA Reverse Voltage of PD VR 20 V Operating Case Temperature TC −40 to +85 °C Storage Temperature Tstg −40 to +85 °C Lead Soldering Temperature (10 s) Tsld 260 °C ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 °°°°C, unless otherwise specified) Parameter Symbol Conditions MIN. TYP. MAX. Unit Operating Voltage Vop *1 1.1 1.3 V Threshold Current Ith 10 25 mA TC = +85 °C25 50 Modulation Current Imod Pf = 1.0 mW @NDL7408PK Series 15 30 mA Pf = 0.2 mW @NDL7408PL Series ηd 0.025 0.050 W/A TC = +85 °C 0.018 0.035 ηd 0.010 0.015 TC = +85 °C 0.005 0.010 Center Emission Wavelength λC *1, RMS ( −20 dB) 1 290 1 310 1 330 nm TC = −40 to +85 °C 1 260 1 360 Temperature Dependence of Center Emission Wavelength ∆λ/∆TTC = −40 to +85 °C0.4 0.5 nm/ °C Spectral Width σ *1, RMS ( −20 dB) 1.3 2.5 nm TC = +85 °C1.5 4 Cut-off Frequency fC −3 dB 2.0 GHz Rise Time tr 10 to 90 % 0.2 0.5 ns Fall Time tf 90 to 10 % 0.3 0.5 ns Monitor Current of PD Im VRD = 5 V, *1 100 700 µA Dark Current of PD ID VRD = 5 V 0.1 10 nA Tracking Error γ*2 Im = const., TC = −40 to +85 °C0.5 1.0 dB *1 Pf = 1.0 mW @NDL7408PK Series Pf = 0.2 mW @NDL7408PL Series *2 γ = 10 log Pf XmW Differential Efficiency from Fiber for NDL7408PK Series Differential Efficiency from Fiber for NDL7408PL Series TC = –40 to +85 ˚C Im Pf Pf X Im 0 (@ Pf (25 ˚C)= X mW) X = 1.0 mW @NDL7408PK Series X = 0.2 mW @NDL7408PL Series TC = 25 ˚C XmW |
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