
 
High Power Infrared Emitter (940nm) in SMR® Package
Version 1.3
SFH 4543
Ordering Information
Features:

 !"#$ %
&$ %'$!()
!'! !&'
Applications
'! "*
' !!$!'
' !$! $"'
Notes
$!&$!+!', '&!"*  !!,'-""! 
-.'!!&*/ !'  $!!', ',!""!'!*
$ !',01)023/
Type: Radiant Intensity Ordering Code
4&56'7
I
F
= 100 mA, t
p
= 20 ms
(2)28 89# :);12
(2)28<505 ///) :);31
Note: Measured at a solid angle of Ω = 0.01 sr

Version 1.3 SFH 4543
Maximum Ratings =
;
>)?0#
Characteristics =
;
>)?0#
Parameter Symbol Values Unit
@$!'!!&$! =
$
A=
'!
2///1) ?0
,',"! B
) B
( !
(
 &;
 !
!
$
CD'+>#
(
;
 '&$!
!!
1 &5
!'!,"!
 /!;E6;6F0F<#
B

%B
=&"''! G !&-!
#page 9
!F;
8 H65
Parameter Symbol Values Unit
%,"!

(
>&;+!
$
>&'#
!*$# I
$%
) &
0!,"!

(
>&;+!
$
>&'#
!*$# I
!
2 &
$ !"-!!)J
&K

(
>&;+!
$
>&'#
!*$# LI 2 &
"" !*$# M N ?
&'' !, $ !*$# K5 /8K/8 &&K
&&
'""!&
JJ
&K
#

(
>&;+

>)O#
!*$# !
+!
 '
(,"!

(
>&;+!
$
>&'#
!*$&K## B
(
/)C/1# B
(,"!

(
>;+!
$
>D'#
!*$&K## B
(
/8C8# B
,' !
B
>)B#
!'
,'$!
P;
=!"!"K

(
>&;+!
$
>&'#
!*$# Q
) &5
=&$!  !
Q

(
>&;+!
$
>&'#
!*$# =0
/) J6H
=&$!  !B
(

(
>&;+!
$
>&'#
!*$# =0
B
/8 &B6H
=&$!  !,"!

(
>&;+!
$
>&'#
!*$# =0
I
/8 &6H
Version 1.3 SFH 4543
 8
Grouping =
;
>)?0#
Group Min Radiant Intensity Max Radiant Intensity Typ Radiant Intensity
I
F
= 100 mA, t
p
= 20 ms I
F
= 100 mA, t
p
= 20 ms I
F
= 1 A, t
p
= 25 µs
+&
4&56'7
+&K
4&56'7
+!*$
4&56'7
(2)28;5   
(2)28<5  8 3
(2)2805 ) ) 
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
#page 9
I
rel
= f(λ), T
A
= 25°C
Radiant Intensity
#page 9
I
e
/ I
e
(100 mA) = f(I
F
), single pulse, t
p
= 25 µs,
T
A
= 25°C
800
0
nm
%
OHF04134
20
40
60
80
100
I
rel
λ
850 900 950 1025
OHF03821
10
-3
mA
10
1
0
10
5
5
10
-1
-2
5
10
e
e
I
I
I
F
0
10
1
10
2
10
3
105 5
(100 mA)

SFH 4543-Z

Mfr. #:
Manufacturer:
OSRAM Opto Semiconductors
Description:
Infrared Emitters - High Power Infrared 940nm
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet