Datasheet
SFH 4253
3
Version 1.5 | 2018-06-26
Characteristics
I
F
= 70 mA; t
p
= 20 ms; T
A
= 25 °C
Parameter Symbol Values
Peak wavelength
λ
peak
typ. 860 nm
Centroid wavelength
λ
centroid
typ. 850 nm
Spectral bandwidth at 50% I
rel,max
∆λ
typ. 30 nm
Half angle
φ
typ. 60 °
Dimensions of active chip area L x W typ. 0.2 x 0.2
mm x mm
Rise time (10% / 90%)
I
F
= 70 mA; R
L
= 50 Ω
t
r
typ. 12 ns
Fall time (10% / 90%)
I
F
= 70 mA; R
L
= 50 Ω
t
f
typ. 12 ns
Forward voltage V
F
typ.
max.
1.6 V
2 V
Forward voltage
I
F
= 500 mA; t
p
= 100 µs
V
F
typ.
max.
2.4 V
3 V
Reverse current
2)
V
R
= 5 V
I
R
max.
typ.
10 µA
0.01 µA
Total radiant ux
3)
Φ
e
typ. 40 mW
Radiant intensity
1)
I
F
= 500 mA; t
p
= 25 µs
I
e
typ. 80 mW/sr
Temperature coecient of brightness TC
I
typ. -0.5 % / K
Temperature coecient of voltage TC
V
typ. -0.7 mV / K
Temperature coecient of wavelength
TC
λ
typ. 0.3 nm / K
Thermal resistance junction ambient real R
thJA
max. 500 K / W
Thermal resistance junction solder point real
4)
R
thJS
max. 280 K / W