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VSMF4720-GS18 Datasheet(PDF) 2 Page - Vishay Siliconix |
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VSMF4720-GS18 Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 6 page Document Number: 81923 For technical questions, contact: emittertechsupport@vishay.com www.vishay.com Rev. 1.0, 05-Sep-08 303 VSMF4720 High Speed Infrared Emitting Diode, RoHS Compliant, 870 nm, GaAlAs Double Hetero Vishay Semiconductors Fig. 1 - Power Dissipation Limit vs. Ambient Temperature Fig. 2 - Forward Current Limit vs. Ambient Temperature Note Tamb = 25 °C, unless otherwise specified 0 20 40 60 80 100 120 140 160 180 010 20 30 40 50 60 70 80 90 100 21343 T amb - Ambient Temperature (°C) R thJA = 250 K/W 0 20 40 60 80 100 120 0 10 203040 506070 80 90 100 21344 R thJA = 250 K/W T amb - Ambient Temperature (°C) BASIC CHARACTERISTICS PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT Forward voltage IF = 100 mA, tp = 20 ms VF 1.45 1.6 V IF = 1 A, tp = 100 µs VF 2.1 V Temperature coefficient of VF IF = 1 mA TKVF - 1.8 mV/K Reverse current VR = 5 V IR 10 µA Junction capacitance VR = 0 V, f = 1 MHz, E = 0 Cj 125 pF Radiant intensity IF = 100 mA, tp = 20 ms Ie 10 16 30 mW/sr IF = 1 A, tp = 100 µs Ie 150 mW/sr Radiant power IF = 100 mA, tp = 20 ms φ e 50 mW Temperature coefficient of φ e IF = 100 mA TK φ e - 0.35 %/K Angle of half intensity ϕ ± 60 deg Peak wavelength IF = 100 mA λ p 870 nm Spectral bandwidth IF = 100 mA Δλ 40 nm Temperature coefficient of λ p IF = 100 mA TK λ p 0.25 nm/K Rise time IF = 100 mA tr 15 ns Fall time IF = 100 mA tf 15 ns Cut-off frequency IDC = 70 mA, IAC = 30 mA pp fc 24 MHz Virtual source diameter d 0.67 mm |
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