
 
High Power Infrared Emitter (850 nm)
Version 1.0
SFH 4278S
Ordering Information
Features:

 !"
#$%&
 "'
Applications
('' (
" "(
)("((
( *
Notes
'"'+(, ("*  ,( 
-("*. (  '(, (,(*
' (,/0%/1.
Type: Radiant Intensity Ordering Code
2"34(5
I
F
=100 mA, t
p
=20 ms
610 789: ;%<1%
Note: Measured at a solid angle of Ω = 0.01 sr

Version 1.0 SFH 4278S
Maximum Ratings 7=
<
>%&/:
Characteristics 7=
<
>%&/:
Parameter Symbol Values Unit
?'("' =
'
@=
(
... &/
),(, A
)
% A
6 
6
 "<
 
7
'
B9C(+>:
6D
.1 <
 ("'

% "3
(,
7 .<E4<4F/FGD:
A

!A
="(( H "
:page 12
)
F<
9 I43
="(( H ('
:page 12
)
F
 I43
Parameter Symbol Values Unit
!,
7
6
>"<+
'
>"(:
7*': J
'!
0 "
/,
7
6
>"<+
'
>"(:
7*': J

0% "
' %K
"L
7
6
>"<+
'
>"(:
7*': MJ 9 "
 7*': N $% &
"(( , ' 7*': L3 .9L.9 ""L
""
)("
7KK
"L
:
7
6
>"<+)

>%O:
7*':
+
% (
6,
7
6
>"<+
'
>"(:
7*'7"L:: A
6
9.7B9.: A
6,
7
6
>1"<+
'
>C(:
7*'7"L:: A
6
7B%.: A
),( 
7A
)
>%A:
)
(
,('
P<
=L
7
6
>"<+
'
>"(:
7*': Q
% "3
Version 1.0 SFH 4278S
 9
Grouping 7=
<
>%&/:
="'  
Q
7
6
>"<+
'
>"(:
7*': =/
.% K4I
="'  A
6
7
6
>"<+
'
>"(:
7*': =/
A
 "A4I
="'  ,
7
6
>"<+
'
>"(:
7*': =/
J
.9 "4I
Group Min Radiant Intensity Max Radiant Intensity Typ Radiant Intensity
I
F
=100 mA, t
p
=20 ms I
F
=100 mA, t
p
=20 ms I
F
= 700 mA, t
p
= 25 µs
+"
2"34(5
+"L
2"34(5
+*'
2"34(5
610A 9 % %
610<3   1%
610G3  9 1
Note: measured at a solid angle of Ω = 0.01 sr
Only one group in one packing unit (variation lower 2:1).
Relative Spectral Emission
9:page 12
I
rel
= f(λ), T
A
= 25°C
Radiant Intensity
9:page 12
I
e
/ I
e
(100 mA) = f(I
F
), single pulse, t
p
= 25 µs,
T
A
= 25°C
Parameter Symbol Values Unit
700
0
nm
%
OHF04132
20
40
60
80
100
950750 800 850
I
rel
λ
OHF05698
3
10
Ι
e
(100 mA)
e
Ι
F
I
10
21
1010
0
mA
10
-2
10
-1
10
0
10
1
10
-3

SFH 4278S

Mfr. #:
Manufacturer:
OSRAM Opto Semiconductors
Description:
Infrared Emitters - High Power Power TOPLED PowerTOPLEDwith lens
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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