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SFH4250S 数据表(PDF) 4 Page - OSRAM GmbH |
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SFH4250S 数据表(HTML) 4 Page - OSRAM GmbH |
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4 / 13 page ![]() 2018-01-10 4 Version 1.9 SFH 4250S Max. Permissible Forward Current IF, max = f(TA), RthJA = 300 K / W, RthJS = 140 K / W Forward Current 3) page 12 IF = f(VF), single pulse, tp = 100 µs, TA= 25°C Permissible Pulse Handling Capability IF = f(tp), TA = 25 °C, duty cycle D = parameter Permissible Pulse Handling Capability IF = f (τ), TA = 85 °C, duty cycle D = parameter 0 0 ˚C TA F I mA OHF05696 20 40 60 80 100 20 40 60 80 100 120 TS , thJS R thJA R OHF05579 F I V mA 2 F V 5 10 2 5 10 3 10 1 10 0 3 4 5 tp 0 T t A IF D = I P T F P t OHF05697 -5 10 -3 -4 10 10 -1 -2 10 10 1 0 10 10 s 2 10 0.5 1 0.2 0.1 0.01 0.05 0.02 = 0.005 D 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 10 10 0 -2 -3 -4 -5 10 10 10 F I A P t = D T 2 1 0 -1 10 tp 10 s 10 OHF04491 T t P IF 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.75 0.02 0.1 0.05 0.5 0.2 1 0.01 0.005 D = |
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