
 
Narrow beam LED in MIDLED package (940 nm)
Version 1.6
SFH 4646
Ordering Information
Features:

!"!#!"
$%%&'
()*#!+*%#!!"!)%","!*%"-./01.2 !""("!/*%#!
-*!!34"#! #*#!"5
()" %6
-%"3%,%"()%6 788
Applications
%%*!#"
0!!"""
-*!!3"""
0!#!%
Notes
)!)!2!"3#"!%9##!!3",%%!#
#,:*"!!*95*#!"##)!!"3#"3!%%!"!9
)#*!"3.;.8<5
Type: Radiant Intensity Ordering Code
=>"?
I
F
= 70 mA, t
p
= 20 ms
788 @ /-;
788(1 555 /-8;
Note: Measured at a solid angle of Ω = 0.01 sr

Version 1.6 SFH 4646
Maximum Ratings (
-
A'.
Characteristics (
-
A'.
Parameter Symbol Values Unit
B)!"!!)!* (
)
C(
"!
8555 '.
03"3%! 1
0
1
7#*!
7
< -
*#*!
!
)
AD"2A
7 E
5< -
#"*)!
!!
8 
 !"!3%!
##5!-$ > ->F.F GE
1
 
61
(%""!#H*#!,!
page 12
0
!F-
; I>
(%""!#H*#!"%)!
page 12
0
!F
 I>
Parameter Symbol Values Unit
63%!

7
A<-2!
)
A"
!9) J
)6
 
.!3%!

7
A<-2!
)
A"
!9) J
#!
8 
)#!%,!!K
L

7
A<-2!
)
A"
!9) MJ 8 
%% !9) N & '
""#!3#) !9) L 5L5 L

0"%%!
KK
L

7
A<-20

AO
!9) !
2!
 "
73%!

7
A<-2!
)
A"
!9)L 1
7
5P 1
73%!

7
A-2!
)
AD"
!9)L 1
7
58P 1
03"#*!
1
0
A1
0
!"
3")!
Q-
(!%!%*L

7
A<-2!
)
A"
!9) R
 
Version 1.6 SFH 4646

Grouping (
-
A'.
()!*##!
R

7
A<-2!
)
A"
!9) (.
5 K>I
()!*##!1
7

7
A<-2!
)
A"
!9) (.
1
5 1>I
()!*##!3%!

7
A<-2!
)
A"
!9) (.
J
5 >I
Group Min Radiant Intensity Max Radiant Intensity Typ Radiant Intensity
I
F
= 70 mA, t
p
= 20 ms I
F
= 70 mA, t
p
= 20 ms I
F
= 500 mA, t
p
= 25 µs
2
=>"?
2L
=>"?
2!9)
=>"?
788(   ;
788S 8 ; 
7881   8<
788-   <
Note: measured at a solid angle of Ω = 0.01 sr
Only one group in one packing unit (variation lower 2:1).
Parameter Symbol Values Unit

SFH 4646-Z

Mfr. #:
Manufacturer:
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

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