
 
Narrow beam LED in Mini MIDLED package (850 nm)
Version 1.4
SFH 4451
Ordering Information
Features:

 
!"#$%&
' '
Applications

()*
+, 
-.)
Notes
' '/) ).
.0** 1+*'))
'*)23425$1
Type: Radiant Intensity Ordering Code
6 789
IF = 100 mA, tp= 20 ms
(554 $":4& ;4<43
(554=> 51114 ;4<5
(554> 1114 ;4<
Note: Measured at a solid angle of Ω = 0.01 sr

Version 1.4 SFH 4451
Maximum Ratings "?<@4%2&
Characteristics "?<@4%2&
Parameter Symbol Values Unit
A' '* ?'B? 511134 %2
C)) >C4 >
(* ( <
**
"'@D/@&
(- <
+* ' + 3 7
)
"1<!8<8E2EF-&
> G>
? H* .&page 12 CE< 5 I87
? H*'
&page 12
CE  I87
Parameter Symbol Values Unit
+G)
"(@ </'@ &
"'& J'G 3
2)
"(@ </'@ &
"'& J 34
'.4K ,
"(@ </'@ &
"'& LJ 
 "'& M N$ %
 )' "'& ,7 1,1 ,
C "KK ,&
"(@ </C@4O&
"'& / 
()
"(@ </'@ &
"'" ,&& >(14"P13& >
()
"(@</'@D&
"'" ,&& >(15"P& >
C)*
">C@4>&
C
)'
Q<
?*,
"(@ </'@ &
"'& R44 7
Version 1.4 SFH 4451

Grouping "?<@4%2&
? '*R
"(@ </'@ &
"'& ?214 K8I
? '*>(
"(@ </'@ &
"'& ?2>1$ >8I
? '*)
"(@ </'@ &
"'& ?2J1  8I
Group Min Radiant Intensity Max Radiant Intensity Typ Radiant Intensity
IF = 100 mA, tp= 20 ms IF = 100 mA, tp= 20 ms IF = 1 A, tp = 25 µs
/ 6 789 / ,6 789 /'6 789
(554? 4 4 
(554= 5 3 53
(554>  4 $4
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 12
Irel= f (λ ), TA= 25 °C
Radiant Intensity &page 12
Ie / Ie(100 mA) = f(IF), single pulse, tp = 25 µs,
TA= 25°C
Parameter Symbol Values Unit
700
0nm
%
OHF04132
20
40
60
80
100
950750 800 850
I
rel
λ
OHL01715
10-3 mA
101
0
10
5
5
10-1
-2
5
10
e
e (100 mA)
I
I
I
F
0
10 1
10 2
10 3
105 5
 5
Version 1.4 SFH 4451
Max. Permissible Forward Current
IF, max = f(TA), RthJA = 400 K / W
Forward Current &page 12
IF = f(VF), single pulse, tp = 100 µs, TA= 25°C
Permissible Pulse Handling Capability
IF = f(tp), TA = 25 °C, duty cycle D = parameter
Permissible Pulse Handling Capability
IF= f (tp), TA= 85 °C, duty cycle D = parameter
0
0˚C
T
I
FmA
OHF05494
A
20 40 60 80 100
10
20
30
40
50
60
70
80
90
110
OHL01713
F
I
10-4 0.5 1 1.5 2 2.5 V 3
100
A
0
F
V
-1
10
5
5
10-2
-3
5
10
1010
0-2-3-4-5 1010 10
F
I
AP
t
=
DT
210-1 10
t
p
10 s10
OHF05492
T
t
P
I
F
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.1
1
0.1
0.5
0.2
0.02
0.05
0.01
0.005
D
=
1010
0-2-3-4-5 1010 10
F
I
AP
t
=
DT
210-1 10
t
p
10 s10
OHF05493
T
t
P
I
F
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.1
1
0.1
0.5
0.2
0.02
0.05
0.01
0.005
D
=
Version 1.4 SFH 4451
 4
Radiation Characteristics &page 12
Irel = f(ϕ), TA= 25°C
Package Outline
Dimensions in mm.
Package
Mini MIDLED, Silicone, colourless, clear
OHF05558
0˚ 20˚ 40˚ 60˚ 80˚ 100˚ 120˚0.40.60.81.0
100˚
90˚
80˚
70˚
60˚
50˚
0˚10˚20˚30˚40˚
0
0.2
0.4
0.6
0.8
1.0
ϕ

Version 1.4 SFH 4451
Approximate Weight:
10 mg
Recommended Solder Pad
Dimensions in mm (inch).
Handling indication
The package is casted with silicone. Mechanical stress at the surface of the unit should be as low as
possible.
Version 1.4 SFH 4451
 $
Reflow Soldering Profile
Product complies to MSL Level 2 acc. to JEDEC J-STD-020D.01
OHA04612
Profile Feature
Profil-Charakteristik
Ramp-up rate to preheat*)
25 °C to 150 °C
2 3 K/s
Time tS
TSmin to TSmax
tS
tL
tP
TL
TP
100 12060
10 20 30
80 100
217
2 3
245 260
3 6
Time
25 °C to TP
Time within 5 °C of the specified peak
temperature TP - 5 K
Ramp-down rate*
TP to 100 °C
All temperatures refer to the center of the package, measured on the top of the component
* slope calculation DT/Dt: Dt max. 5 s; fulfillment for the whole T-range
Ramp-up rate to peak*)
TSmax to TP
Liquidus temperature
Peak temperature
Time above liquidus temperature
Symbol
Symbol
Unit
Einheit
Pb-Free (SnAgCu) Assembly
Minimum MaximumRecommendation
K/s
K/s
s
s
s
s
°C
°C
480
 3
Version 1.4 SFH 4451
Taping
Dimensions in mm (inch).
Tape and Reel
8 mm tape with 3000 pcs. on ∅ 180 mm reel
D0
2
P
P
0
1
P
W
F E
Direction of unreeling
N
W1
2
W
A
OHAY0324
Label
Leader:
Trailer:
13.0
Direction of unreeling
±0.25
min. 160 mm *
min. 400 mm *
*) Dimensions acc. to IEC 60286-3; EIA 481-D
Version 1.4 SFH 4451

Tape dimensions [mm]
Tape dim ensions in m m
Reel dimensions [mm]
Reel dim ensions in m m
Barcode-Product-Label (BPL)
Dry Packing Process and Materials
!S
-*)'*'G.* 1
C'G** 1* )
GE21
WP0P1P2D0E F
3#181 5N1 N14

5N1
N14 14N1 1$4N1 14N14
A W Nmin W1W2max
3 3 315# 515
OHA04563
(G) GROUP:
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(X) PROD NO: 123456789
(6P) BATCH NO: 1234567890
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RoHS Compliant
BIN1: XX-XX-X-XXX-X
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Pack: RXX
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(6P) BATCH NO:(6P) BATCH NO:
12345678901234567890
SemiconductorsSemiconductors
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE
(6P) BATCH NO:(6P) BATCH NO:
12345678901234567890
EXAMPLE
SemiconductorsSemiconductors
OSRAM OptoOSRAM Opto
EXAMPLE
EXAMPLE
1234567890
X_X123_1234.1234 X
Pack: RXX
DEMY
X_X123_1234.1234 X
(9D) D/C:
1234
(9D) D/C:
1234567890
(6P) BATCH NO:
1234567890
OSRAM Opto
XXX
X_X123_1234.1234 X
XX-XX-X-X
Pack: RXX
DEMY
Semiconductors
OHA00539
OSRAM
Moisture-sensitive label or print
Barcode label
Desiccant
Humidity indicator
Barcode label
OSRAM
Please check the HIC immidiately after
bag opening.
Discard if circles overrun.
Avoid metal contact.
WET
Do not eat.
Comparator
check dot
parts still adequately dry.
examine units, if necessary
examine units, if necessary
5%
15%
10% bake units
bake units
If wet,
change desiccant
If wet,
Humidity Indicator
MIL-I-8835
If wet,
Moisture Level 3 Floor time 168 Hours Moisture Level 6 Floor time 6 Hours
a) Humidity Indicator Card is > 10% when read at 23 ˚C ± 5 ˚C, or
reflow, vapor-phase reflow, or equivalent processing (peak package
2. After this bag is opened, devices that will be subjected to infrared
1. Shelf life in sealed bag: 24 months at < 40 ˚C and < 90% relative humidity (RH).
Moisture Level 5a
at factory conditions of
(if blank, seal date is identical with date code).
a) Mounted within
b) Stored at
body temp.
3. Devices require baking, before mounting, if:
Bag seal date
Moisture Level 1
Moisture Level 2
Moisture Level 2a
4. If baking is required,
b) 2a or 2b is not met.
Date and time opened:
reference IPC/JEDEC J-STD-033 for bake procedure.
Floor time see below
If blank, see bar code label
Floor time > 1 Year
Floor time 1 Year
Floor time 4 Weeks
10% RH.
_
<
Moisture Level 4
Moisture Level 5
˚C).
OPTO SEMICONDUCTORS
MOISTURE SENSITIVE
This bag contains
CAUTION
Floor time 72 Hours
Floor time 48 Hours
Floor time 24 Hours
30 ˚C/60% RH.
_
<
LEVEL
If blank, see
bar code label
 
Version 1.4 SFH 4451
Transportation Packing and Materials
Dimensions of transportation box in mm
Width Length Height
N4 4N4 N4
OHA02044
PACKVAR:
R077
Additional TEXT
P-1+Q-1
Multi TOPLED
Muster
OSRAM Opto
Semiconductors
(6P) BATCH NO:
(X) PROD NO:
1
0
(9D) D/C:
11
(1T) LOT NO:
210021998
123GH1234
024 5
(Q)QTY:2000
0144
(G) GROUP:
260 C RT
240 C R
3
220 C R
ML
Bin3:
Bin2: Q-1-20
Bin1: P-1-20
LSY T676
2
2a
Temp ST
R18DEMY
PACKVAR:
R077
Additional TEXT
P-1+Q-1
Multi TOPLED
Muster
OSRAM Opto
Semiconductors
(6P) BATCH NO:
(X) PROD NO:
1
0
(9D) D/C:
11
(1T) LOT NO:
210021998
123GH1234
02
4 5
(Q)QTY:2000
0144
(G) GROUP:
260 C RT
240 C R
3
220 C R
ML
Bin3:
Bin2: Q-1-20
Bin1: P-1-20
LSY T676
2
2a
Temp ST
R18DEMY
OSRAM
Packing
Sealing label
Barcode label
Moisture Level 3 Floor time 168 Hours Moisture Level 6 Floor time 6 Hours
a) Humidity Indicator Card is > 10% when read at 23 ˚C ± 5 ˚C, or
reflow, vapor-phase reflow, or equivalent processing (peak package
2. After this bag is opened, devices that will be subjected to infrared
1. Shelf life in sealed bag: 24 months at < 40 ˚C and < 90% relative humidity (RH).
Moisture Level 5a
at factory conditions of
(if blank, seal date is identical with date code).
a) Mounted within
b) Stored at
body temp.
3. Devices require baking, before mounting, if:
Bag seal date
Moisture Level 1
Moisture Level 2
Moisture Level 2a
4. If baking is required,
b) 2a or 2b is not met.
Date and time opened:
reference IPC/JEDEC J-STD-033 for bake procedure.
Floor time see below
If blank, see bar code label
Floor time > 1 Year
Floor time 1 Year
Floor time 4 Weeks
10% RH.
_
<
Moisture Level 4
Moisture Level 5
˚C).
OPTO SEMICONDUCTORS
MOISTURE SENSITIVE
This bag contains
CAUTION
Floor time 72 Hours
Floor time 48 Hours
Floor time 24 Hours
30 ˚C/60% RH.
_
<
LEVEL
If blank, see
bar code label
Barcode label
Version 1.4 SFH 4451
 
Disclaimer
*')').*1
Attention please!
? .' '.*1
? ))1*T*  '  
**.1
( 'T*'*A01
'/')1
Packing
+*'G*17'*U**1
F G'G .G/1V* *.'1('G
***.'/))*
*1
Components used in life-support devices or systems must be expressly authorized for such purpose!
2  'W . * *'' )WW     ,'  '') 
AC<-A1
W&< '    '* *'' )     * ..
,'***'') /)
) 1
WW&*'') "&. ' * ./ ".&  *''8
** 1/.* * .
1
 
Version 1.4 SFH 4451
Glossary
& Thermal resistance: H*./ *+2."(C5&/'0 
& Thermal resistance: H*'/)/ *G"11.G&
& Typical Values: *   '    ** '  /  '  
*    '      *1 ?   
'*' '*/* '*
'1T*/11.* ') /'1
.**1
 
Version 1.4 SFH 4451
Published by OSRAM Opto Semiconductors GmbH
Leibnizstraße 4, D-93055 Regensburg
www.osram-os.com © All Rights Reserved.