QEC122 Fairchild Semiconductor, QEC122 Datasheet - Page 3

• Manufacturer Part Number: QEC122
• Description: Infrared Emitters T1 A1Ga AS LED 39mW
• Manufacturer: Fairchild Semiconductor
• Type: IrLEDr

Specifications of QEC122

• Beam Angle: +/- 16
• Maximum Forward Current: 50 mA
• Maximum Power Dissipation: 100 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
• Package Type: T-1
• Luminous Intensity: 94mW/sr
• Test Current (it): 100mA
• Forward Current: 50mA
• Viewing Angle: 18°
• Forward Voltage: 1.7V
• Product Length (mm): 3.94mm
• Product Height (mm): 5.66mm
• Product Depth (mm): 3.94mm
• Mounting: Through Hole
• Peak Wavelength: 890nm
• Shape Type: Circular
• Chip Material: GaAlAs
• Main Category: IrLED
• Number Of Elements: 1
• Pin Count: 2
• Operating Temperature Classification: Industrial
• Lens Type: Colored Non Diffused
• Operating Temp Range: -40C to 100C
• Reverse Voltage: 5V
• Power Dissipation: 100mW
• Lens Dimensions: 2.95x2.95x4.9mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: QEC122_NL

©2001 Fairchild Semiconductor Corporation
QEC121, QEC122, QEC123 Rev. 1.0.1
Typical Performance Curves
5.0
4.0
3.0
2.0
1.0
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.1
10
Figure 3. Normalized Radiant Intensity vs. Forward Current
1
700
10
10
Normalized to:
I
t
Duty Cycle = 4%
T
F
PW
A
= 100mA Pulsed
I
t
Duty Cycle = 4%
T
F
PW
= 25 C
A
Figure 5. Forward Voltage vs. Forward Current
= 20mS
Figure 1. Normalized Intensity vs. Wavelength
Pulsed
= 25 C
= 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
Figure 4. Normalized Radient Intensity vs. Ambient Temperature
910
908
906
904
902
900
898
896
894
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-15
-15
0
Figure 2. Peak Wavelength vs. Ambient Temperature
Figure 6. Forward Voltage vs. Ambient Temperature
10
0
0
20
15
15
T
T
T
30
A
A
A
– AMBIENT TEMPERTURE ( C)
– AMBIENT TEMPERTURE ( C)
– AMBIENT TEMPERTURE ( C)
30
30
40
50
45
45
60
60
60
I
F
= 20mA DC
70
75
75
Normalized to:
I
t
Duty Cycle = 4%
T
I
t
Duty Cycle = 4%
F
PW
F
PW
A
= 20mA Pulsed
= 20mA Pulsed
80
= 25 C
= 20mS
= 20mS
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90
90
90
100
105
105