SPEC NO: DSAF7181 REV NO: V.7A DATE: MAR/19/2013 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1102000502
Selection Guide
Absolute Maximum Ratings at TA=25癈
Electrical / Optical Characteristics at TA=25癈
Note:
1. 1/10 Duty Cycle, 0.1ms Pulse Width.
Part No.
Dice
Lens Type
Iv (mcd) [2]
@ 20mA
iewing
Angle [1]
Min.
Typ.
2?/2
Super Bright Red (GaAlAs)
Red Diffused
150
300
60?/SPAN>
*40
*90
WP138A8QMP/SRD/TG
Parameter
Super Bright Red
Units
Power dissipation
75
mW
DC Forward Current
30
mA
Peak Forward Current [1]
155
mA
Reverse Voltage
5
V
Operating Temperature
-40癈 To +85癈
Storage Temperature
-40癈 To +85癈
Notes:
1. ?/2 is the angle from optical centerline where the luminous intensity is 1/2 of the optical peak value.
2. Luminous intensity/ luminous Flux: +/-15%.
* Luminous intensity value is traceable to the CIE127-2007 compliant national standards.
Notes:
1.Wavelength: +/-1nm.
2.Forward Voltage: +/-0.1V.
3. Wavelength value is traceable to the CIE127-2007 compliant national standards.
Symbol
Parameter
Device
Typ.
Max.
Units
Test Conditions
籶eak
Peak Wavelength
Super Bright Red
655
nm
IF=20mA
籇 [1]
Dominant Wavelength
Super Bright Red
640
nm
IF=20mA
敾1/2
Spectral Line Half-width
Super Bright Red
20
nm
IF=20mA
C
Capacitance
Super Bright Red
45
pF
VF=0V;f=1MHz
VF [2]
Forward Voltage
Super Bright Red
1.85
2.5
V
IF=20mA
IR
Reverse Current
Super Bright Red
10
uA
VR = 5V
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