2015-12-23
Infrared Emitter Arrays (940 nm)
Version 1.2
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/
4940
Features:
•
Wavelength 950nm
•
Leadframe arrays, available from 2 to 10 Emitters per array
•
Short switching times
•
Same package dimensions as BPX 80 series
•
Miniature package
Applications
•
Miniature photointerrupters
•
Barcode reader
•
Industrial electronics
•
For control and drive circuits
•
Sensor technology
•
Speed controller
Notes
Depending on the mode of operation, these devices emit highly concentrated non visible infrared light which
can be hazardous to the human eye. Products which incorporate these devices have to follow the safety
precautions given in IEC 60825-1 and IEC 62471.
2015-12-23
1
Version 1.2
Ordering Information
Type:
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Radiant Intensity
I
e
[mW/sr]
I
F
= 40 mA, t
p
= 20 ms
Ordering Code
SFH 4942
SFH 4943
SFH 4944
SFH 4945
SFH 4946
SFH 4947
SFH 4948
SFH 4949
SFH 4940
Note:
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
50 (≥ 16)
measured at a solid angle of Ω = 0.001 sr
Q65111A6679
Q65111A6680
Q65111A6681
Q65111A6682
Q65111A6683
Q65111A6684
Q65111A6685
Q65111A6686
Q65111A6687
2015-12-23
2
Version 1.2
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Maximum Ratings
(T
A
= 25 °C)
Parameter
Operation and storage temperature range
Reverse voltage
Forward current
Surge current
(t
p
≤ 40 µs, D = 0)
Power consumption
ESD withstand voltage
(acc. to ANSI/ ESDA/ JEDEC JS-001 - HBM)
Thermal resistance junction - ambient
1)
page 9
Thermal resistance junction - soldering point
Characteristics
(T
A
= 25 °C)
Parameter
Peak wavelength
(I
F
= 40 mA, t
p
= 20 ms)
Centroid wavelength
(I
F
= 40 mA, t
p
= 20 ms)
Spectral bandwidth at 50% of I
max
(I
F
= 40 mA, t
p
= 20 ms)
Half angle
Dimensions of active chip area
Distance chip surface to lens top
Rise and fall time of I
e
( 10% and 90% of I
e max
)
(I
F
= 40 mA, R
L
= 50 Ω)
Forward voltage
(I
F
= 40 mA, t
p
= 20 ms)
Forward voltage
(I
F
= 1 A, t
p
= 100 µs)
Reverse current
(V
R
= 5 V)
Total radiant flux
(I
F
=40 mA, t
p
=20 ms)
(typ)
(typ)
(typ)
(typ)
(typ)
(typ)
(min ..
max)
(typ)
Symbol
λ
peak
λ
centroid
∆λ
ϕ
LxW
H
t
r
, t
f
Values
950
940
42
± 10
0.3 x 0.3
1.3 ... 1.9
12
1.35 (≤ 1.7)
3.6 (≤ 4.6)
not designed for
reverse operation
30
Unit
nm
nm
nm
°
mm x
mm
mm
ns
V
V
µA
mW
Symbol
T
op
; T
stg
V
R
I
F
I
FSM
P
tot
V
ESD
R
thJA
R
thJS
Values
-40 ... 80
5
40
1
70
2
750
650
Unit
°C
V
mA
A
mW
kV
K/W
K/W
(typ (max)) V
F
(typ (max)) V
F
I
R
Φ
e
2015-12-23
3
Version 1.2
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Parameter
Temperature coefficient of I
e
or Φ
e
(I
F
= 40 mA, t
p
= 20 ms)
Temperature coefficient of V
F
(I
F
= 40 mA, t
p
= 20 ms)
Temperature coefficient of wavelength
(I
F
= 40 mA, t
p
= 20 ms)
Grouping
(T
A
= 25 °C)
Group
Min Radiant Intensity
I
F
= 40 mA, t
p
= 20 ms
I
e, min
[mW / sr]
SFH 4942/3/4/5/6/7/8/9/0 16
Note:
measured at a solid angle of Ω = 0.01 sr
Symbol
(typ)
(typ)
(typ)
TC
I
TC
V
TC
λ
Values
-0.3
-0.8
0.3
Unit
%/K
mV / K
nm / K
Max Radiant Intensity
I
F
= 40 mA, t
p
= 20 ms
I
e, max
[mW / sr]
125
Typ Radiant Intensity
I
F
= 1 A, t
p
= 40 µs
I
e, typ
[mW / sr]
520
Relative Spectral Emission
2)
page 9
I
rel
= f(λ), T
A
= 25°C
100
OHF04134
Radiant Intensity
2)
page 9
I
e
/ I
e
(40 mA) = f(I
F
), single pulse, t
p
= 40 µs,
T
A
= 25°C
10
2
OHF05660
I
rel
%
80
Ι
e
(40 mA)
10
1
Ι
e
60
10
0
40
20
10
-1
0
800
850
900
950
nm 1025
λ
10
-2 0
10
10
1
10
2
mA 10
3
I
F
2015-12-23
4
Version 1.2
SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
Forward Current
2)
page 9
I
F
= f(V
F
), single pulse, t
p
= 40 µs, T
A
= 25°C
OHF05661
Max. Permissible Forward Current
I
F, max
= f(T
A
), R
thJA
= 750 K / W
45
mA
I
F
40
35
30
25
20
15
10
5
0
0
20
40
60
80 ˚C 100
I
F
10
3
mA
OHF05642
10
2
10
1
10
0
0
1
2
3
V 4
T
A
Permissible Pulse Handling Capability
I
F
= f(t
p
), T
C
= 25 °C, duty cycle D = parameter
V
F
I
F
1.1
A
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
OHF05662
D
=
T
P
t
t
P
I
F
T
D
=
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
0
-5
10 10
-4
10
-3
10
-2
10
-1
10
0
10
1
s 10
2
t
p
2015-12-23
5
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