Datasheet SFH 421 (OSRAM) - 5

ManufacturerOSRAM
DescriptionGaAlAs Infrared Emitter in SMT Package
Pages / Page7 / 5 — SFH 421, SFH 426. Relative Spectral Emission. Radiant Intensity. Max. …
File Format / SizePDF / 88 Kb
Document LanguageEnglish

SFH 421, SFH 426. Relative Spectral Emission. Radiant Intensity. Max. Permissible Forward Current. Forward Current

SFH 421, SFH 426 Relative Spectral Emission Radiant Intensity Max Permissible Forward Current Forward Current

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SFH 421, SFH 426
Ι
Relative Spectral Emission Radiant Intensity
e Ι = f (I )
Max. Permissible Forward Current
F I = f (λ) e 100 mA I = f (T ) rel F A Single pulse, t = 20 µs p OHR00877 OHR00878 100 2 10 OHR00883 120 Ι e Ι mA Ι % Ι e (100mA) F rel 80 1 10 100 80 0 60 10 R = 450 K/W thjA 60 -1 40 10 40 -2 20 10 20 -3 0 0 10 0 3 0 20 40 60 80 100 ˚C 120 750 800 850 900 950 nm 1000 10 10 1 10 2 10 10 4 mA λ Ι T F A
Forward Current Permissible Pulse Handling
I = f ) single pulse, t = 20 µs
Capability
I = f (t ), T = 25 °C F (VF p F p A duty cycle D = parameter OHR00881 1 4 OHR00886 10 10 mA A ΙF Ι D = 0.005 F 0.01 0 0.02 10 0.05 3 10 0.1 0.2 -1 10 0.5 2 DC 10 -2 10 t p t p D = T ΙF T 10 -3 101 0 1 2 3 4 5 6 V 8 -5 10 10-4 10-3 10-2 10-1 100 101 s 102 V t F p
Radiation Characteristics
S = f (ϕ) el 40˚ 30˚ 20˚ 10˚ 0˚ OHL01660 ϕ 1.0 50˚ 0.8 0.6 60˚ 0.4 70˚ 0.2 80˚ 0 90˚ 100˚ 1.0 0.8 0.6 0.4 0˚ 20˚ 40˚ 60˚ 80˚ 100˚ 120˚ 2002-03-14 5