参数资料
型号: SIR-320ST3F
元件分类: 红外LED
英文描述: 3.1 mm, 1 ELEMENT, INFRARED LED, 940 nm
封装: PLASTIC PACKAGE-2
文件页数: 2/4页
文件大小: 68K
代理商: SIR-320ST3F
SIR-320ST3F
Sensors
Rev.B
2/3
Electrical and optical characteristics (Ta = 25
°C)
Parameter
Symbol
PO
IE
fC
IR
VF
λ
λP
θ1 / 2
trtf
Min.
5.6
Typ.
9
1.2
940
40
±18
1.0
Max.
1.5
10
Unit
mW
mW/sr
IF
=50mA
IF
=50mA
IF
=50mA
VR
=3V
IF
=50mA
IF
=50mA
IF
=50mA
IF
=50mA
IF
=50mA
A
nm
V
deg
MHz
s
Conditions
Optical output
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Pesponse time
Cut-off frequency
Electrical and optical characteristic curves
AMBIENT TEMPERATURE : Ta (
°C)
FORWARD
CURRENT
:
I
F(mA)
20
0
20
40
60
80
100
80
60
40
20
0
FIg.1 Forward current falloff
FORWARD VOLTAGE : VF (V)
FORWARD
CURRENT
:
I
F
(mA)
Fig.2 Forward current vs. forward voltage
01
2
0
20
40
60
80
100
75
°C
50
°C
25
°C
0
°C
25°C
OPTICAL WAVELENGTH :
λ (nm)
RELATIVE
OPTICAL
OUTPUT
:
P
O
(%)
850
900
950
1000
1050
100
80
60
40
20
0
Fig.3 Wavelength
EMITTING
STRENGTH
:
I
E
(mW/sr)
FORWARD CURRENT : IF
(mA)
Fig.4 Emitting strength vs.
forward current
20
0
406080
100
0
10
20
30
40
50
20
80
100
60
40
20
0
10
20
50
100
200
RELATIVE
EMITTING
STRENGTH
:
I
E
(%)
AMBIENT TEMPERATURE : Ta (
°C)
Fig.5 Radiant intensity vs.
ambient temperature
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