QED121 Fairchild Semiconductor, QED121 Datasheet - Page 4

• Manufacturer Part Number: QED121
• Description: Infrared Emitters T13-4 ALGAAS LED
• Manufacturer: Fairchild Semiconductor

Specifications of QED121

• Beam Angle: +/- 18
• Maximum Forward Current: 100 mA
• Maximum Power Dissipation: 200 mW
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lens Shape: Circular
• Mounting Style: Through Hole
• Operating Voltage: 1.7 V
• Wavelength: 880 nm
• Package / Case: T-1 3/4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2001 Fairchild Semiconductor Corporation
QED121, QED122, QED123 Rev. 1.0.1
Typical Performance Curves
180
170
160
1.0
150
140
0.8
130
0.6
120
Figure 7. Radiation Diagram
0.4
110
100
0.2
0.0
90
80
0.2
70
0.4
(Continued)
60
0.6
50
0.8
40
30
1.0
20
10
0
4
1.0
0.8
0.6
0.4
0.2
0.0
Figure 8. Coupling Characteristics of QED12X and QSD12X
0
1
I
F
= 20mA
LENS TIP SEPARATION (inches)
2
I
F
= 100mA
3
4
Normalized to:
d = 0 inch
Pulse Width = 100 s
Duty Cycle = 0.1%
V
R
T
A
CC
L
= 100
= 25 C
= 5V
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