Datasheet

SFH 4254
3
Version 1.2 | 2018-05-30
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. 0.3 x 0.3
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.
1.45 V
1.75 V
Forward voltage
I
F
= 1 A; 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
= 1 A; t
p
= 25 µs
I
e
typ. 120 mW/sr
Temperature coe󰘲cient of brightness TC
I
typ. -0.5 % / K
Temperature coe󰘲cient of voltage TC
V
typ. -0.7 mV / K
Temperature coe󰘲cient of wavelength
TC
λ
typ. 0.3 nm / K
Thermal resistance junction ambient real
4)
R
thJA
max. 530 K / W
Thermal resistance junction solder point real
5)
R
thJS
max. 300 K / W