LD78C6S-A SENSORTECHNICS | Alldatasheet

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Quantum Semiconductor International Co., Ltd. ♦OVERVIEW LD78C6S-A/B/C-L is a MOCVD grown 780nm band AlGaAs laser diode with quantum well structure. It’s an attractive light source, with a typical light output power of 3mW for Laser Beam Printer, industrial optical module and sensor application ♦APPLICATION - Laser Beam Printer - Sensor ♦FEATURES - Visible Light Output : λp = 780 nm - Optical Power Output : 3mW CW - Package Type : TO-18 (5 .6mmφ) - Built-in Photo Diode for Monitoring Laser Diode ♦ELECTRICAL CONNECTION A LD cathode, PD anode (Fig. 1) B LD , PD anode (Fig. 2) C LD anode, PD cathode (Fig. 3) Bottom View Pin Configuration Ver.2 2004 Fig. 1 LD78C6SA-L Fig. 2 LD78C6SB-L Fig. 3 LD78C6SC-L

♦ABSOLUTE MAXIMUM RATING at Tc=25°C Item Symbols Values Unit Optical Output Power P 5 mW Laser Diode Reverse Voltage V 2 V Photo Diode Reverse Voltage V 25 V Operating Temperature Topr -10 ~ +60 °C Storage Temperature Tstg -40 ~ +85 °C ♦ELECTRICAL and OPTICAL CHARACTERISTICS at Tc=25°C Items Symbols Min. Typ. Max. Unit Condition Optical Output Power Po - 3 - mW - Threshold Current Ith 8 13 20 mA - Operating Current Iop - 20 33 mA Po=3mW Operating Voltage Vop - 1.9 2.5 V Po=3mW Slope Efficiency SE - 0.4 0.5 mW/mA 2mW/I(3mW)-I(1mW) Lasing Wavelength λp 770 785 795 nm Po=3mW θ  8 10 12 deg Po=3mW Beam Divergence θ ⊥ 26 28 30 deg Po=3mW ∆θ  - - ±2.0 deg Po=3mW Beam Angle ∆θ ⊥ - - ±3.0 deg Po=3mW Monitor Current Im 0.15 0.25 0.45 mA Po=3mW Optical Distance ∆X, ∆Y, ∆Z - - ±80 µm Po=3mW Astigmatism As 5 10 µm Po=3mW Droop ∆P 5 10 % Po=3mW The above product specifications are subject to change without notice. NOTICE : LD78C6S-A/B/C-L to be operated on APC

♦EXAMPLE of PRESENTATIVE CHARACTERISTICS Optical Output Power Vs, Forward Current 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 5 10 15 20 25 Forward Currert IF [mA] Output Power P[mW] Wavelength Vs, Temperature 775 780 785 790 795 800 20 30 40 50 60 Temperature, Tc [ ] Wavelength, [nm] Far Field Pattern 0.2 0.4 0.6 0.8 -50 -40 -30 -20 -10 0 10 20 30 40 50 Angle [deg] Relative Intensity

Monitor Current Vs. Opticla Power 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 1 2 3 4 5 Optical output Power, Power [mW] Monitor Current, Im [mA] Threshold Current Vs. Temperature 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20 30 40 50 60 Temperature, Tc[ ] Threshold Curent, Ith [mA]

♦PACKAGE DIMENSION

♦PACKING Germany sales.opto International Sales First Sensor AG Peter-Behrens-Str. 15

12459 Berlin

@first-sensor.com www.first-sensor.com US Sales First Sensor Inc.

5700 Corsa Avenue #105

Westlake Village, CA 91362 USA T +1 818 7063 400 F +1 818 8897 053 sales.us@first-sensor.com www.first-sensor.com