Infrared Emitter Arrays (940 nm)
Version 1.2
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/
4940
Features:
!"
"#$%&'
()"#
Applications
())
$"
*)""
+""")
"
"
Notes
,"""!"
"-)).%)"!"""!
")*/0'*/012.
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Ordering Information
Type: Radiant Intensity Ordering Code
*345
IF = 40 mA, tp = 20 ms
+611 7809 :0;002
+611 7809 :0;00'
+6111 7809 :0;00'
+611 7809 :0;00'
+6110 7809 :0;00'
+6112 7809 :0;00'1
+611' 7809 :0;00'
+611 7809 :0;00'0
+611 7809 :0;00'2
Note: measured at a solid angle of Ω = 0.001 sr
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Maximum Ratings 7<;=>/9
Characteristics 7<;=>/9
Parameter Symbol Values Unit
?) <@< 1...' >/
A BA B
+!") *+1 ;
)")
7C1D,=9
*+ ( ;
%!") % 2
,!
7"".;E *4 ,;4F,/F 6$(9
B , #B
<"G)"9page 9 AF; 2 H4
<"G)" AF 0 H4
Parameter Symbol Values Unit
%#!
7*+=1;=9
79 I#
/!
7*+=1;=9
79 I" 1
"!J*K
7*+=1;=9
79 LI 1
6 79 M N >
,"" 79 K .K. K
,"")" 7..
K9
6 .....
A*7JJ*K9
7*+=1;A=O9
79
+!
7*+=1;=9
77K99 B+.7C.29 B
+!
7*+=;=D9
77K99 B+.07C1.09 B
A")
7BA=B9
*A
P;
<)K
7*+=1;=9
79 Q
1
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Grouping 7<;=>/9
<)""*Q
7*+=1;=9
79 </*. J4H
<)""B+
7*+=1;=9
79 </B.' B4H
<)""!
7*+=1;=9
79 </I. 4H
Group Min Radiant Intensity Max Radiant Intensity Typ Radiant Intensity
IF = 40 mA, tp = 20 ms IF = 40 mA, tp = 20 ms IF = 1 A, tp = 40 µs
*345 *K345 *345
+611441440424'44 0
Note: measured at a solid angle of Ω = 0.01 sr
Relative Spectral Emission 9page 9
Irel = f(λ), TA = 25°C
Radiant Intensity 9page 9
Ie / Ie(40 mA) = f(IF), single pulse, tp = 40 µs,
TA= 25°C
Parameter Symbol Values Unit
800
0nm
%
OHF04134
20
40
60
80
100
I
rel
λ
850 900 950 1025
OHF05660
3
10
Ιe
(40 mA)
e
Ι
F
I
1021
10100mA
10-2
10-1
100
101
2
10
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Max. Permissible Forward Current
IF, max = f(TA), RthJA = 750 K / W
Forward Current 9page 9
IF = f(VF), single pulse, tp = 40 µs, TA= 25°C
Permissible Pulse Handling Capability
IF = f(tp), TC = 25 °C, duty cycle D = parameter
0
0˚C
T
A
F
I
mA
OHF05661
20 40 60 80 100
5
10
15
20
25
30
35
40
45
0
I
OHF05642
F
V
F
mA
V
102
3
10
0
10
1
10
1 2 3 4
210-1-2-3-4-5 1010 1010 10
t
p
10 10s10
0
T
t
A
I
F
D
=
I
P
T
F
P
t
OHF05662
1
0.5
0.01
0.05
0.1
0.2
0.02
0.005
D
=
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.1
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
2
Type: IRED per Row Dimension "B"
+611 1....1.
+611 2....2.1
+6111 1 .0....
+611 .....
+6110 0 1.0...0.
+6112 2 2....2.0
+611' ' .2....
+611 .....2
+611 1.'....
Package
Miniature Array, Epoxy
Approximate Weight:
0.2 g
Recommended Solder Pad
Dimensions in mm.
'
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
TTW Soldering
IEC-61760-1 TTW
Disclaimer
)!"""!!)!.
Attention please!
<""")""".
<".,)""R)""
))".
+R)"") ?-.
*!*.
Packing
%)""#!).")S)"!)".
$!!#"#"#.T))".+"#
)))!"!""!")
"").
Components used in life-support devices or systems must be expressly authorized for such purpose!
/" "U ) ) "UU ! K !
? A;(? .
U9 ; "" " " ) ) " ! ) "
K"")))"""
".
UU9 )" 79 ) 79 ) 4
)).*))
.
0
0s
OHA04645
50
100
150
200
250
300
t
T
˚C
235 ˚C - 260 ˚C
First wave
20 40 60 80 100 120 140 160 180 200 220 240
Second wave
10 s max., max. contact time 5 s per wave
Preheating
T
∆
100 ˚C
120 ˚C
130 ˚C
Typical
Cooling
ca. 3.5 K/s typical
ca. 2 K/s
ca. 5 K/s
Continuous line: typical process
Dotted line: process limits
< 150 K
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Glossary
9 Thermal resistance: G)")%/7+A19-0"
9 Typical Values: ,) " " )") " , "
"") " "" " " " ). < "
"")")"!"")""")
""""".*R)..")"".
!"!))".
Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Published by OSRAM Opto Semiconductors GmbH
Leibnizstraße 4, D-93055 Regensburg
www.osram-os.com © All Rights Reserved.
