QEC112 Fairchild Optoelectronics Group, QEC112 Datasheet - Page 3

• Manufacturer Part Number: QEC112
• Description: LED IR EMITTING GAAS 940NM 3MM
• Manufacturer: Fairchild Optoelectronics Group
• Series: QEC11xr

Specifications of QEC112

• Current - Dc Forward (if): 50mA
• Radiant Intensity (ie) Min @ If: 6mW/sr @100mA
• Wavelength: 940nm
• Voltage - Forward (vf) Typ: 1.5V
• Viewing Angle: 24°
• Orientation: Top View
• Mounting Type: Through Hole
• Package / Case: T-1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2005 Fairchild Semiconductor Corporation
QEC112, QEC113 Rev. 1.0.2
Typical Performance Curves
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
3.5
3.0
2.5
2.0
1.5
1.0
0.1
10
1
700
10
10
Fig. 3 Normalized Radiant Intensity vs. Forward Current
Normalized to:
I
t
Duty Cycle = 4%
T
I
t
Duty Cycle = 4%
T
F
PW
F
PW
A
A
Pulsed
= 100mA Pulsed
= 25 C
= 25 C
Fig. 5 Forward Voltage vs. Forward Current
Fig. 1 Normalized Intensity vs. Wavelength
= 20mS
= 20mS
750
800
I
I
F
F
– FORWARD CURRENT (mA)
– FORWARD CURRENT (mA)
850
100
100
(nm)
900
950
1,000
1000
1,050
1000
3
1.55
1.50
1.45
1.40
1.35
1.30
1.25
975
970
965
960
955
950
945
940
935
Fig. 4 Normalized Radient Intensity vs. Ambient Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
0
0
Fig. 2 Peak Wavelength vs. Ambient Temperature
Fig. 6 Forward Voltage vs. Ambient Temperature
10
10
10
20
20
20
T
T
T
30
30
30
A
A
A
– AMBIENT TEMPERTURE ( C)
– AMBIENT TEMPERTURE ( C)
– AMBIENT TEMPERTURE ( C)
40
40
40
50
50
50
60
60
60
I
t
Duty Cycle = 4%
F
PW
= 20mA Pulsed
I
F
= 20mS
= 20mA DC
70
70
70
Normalized to:
I
t
Duty Cycle = 4%
T
F
PW
A
= 20mA Pulsed
= 25 C
= 20mS
80
80
80
www.fairchildsemi.com
90
90
90
100
100
100