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SPEC NO: DSAF2642 REV NO: V.6A DATE: FEB/15/2013 PAGE: 2 OF 7
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: Y.Liu ERP: 1101005672 
Selection Guide
Absolute Maximum Ratings at TA=25癈
Notes:
1. 1/10 Duty Cycle, 0.1ms Pulse Width.
2. 2mm below package base.
3. 5mm below package base.
Part No.
Dice
Lens Type
Iv (mcd) [2]
@ 20mA
iewing
Angle [1]
Min.
Typ.
2?/2
WP57EGW
White Diffused
12
30
60?/SPAN>
*6
*14
Green (GaP)
12
30
*12
*30
High Efficiency Red (GaAsP/GaP)
Parameter
High Efficiency Red
Green
Units
Power dissipation
75
62.5
mW
DC Forward Current
30
25
mA
Peak Forward Current [1]
160
140
mA
Operating / Storage Temperature
Lead Solder Temperature [2]
260癈 For 3 Seconds
Lead Solder Temperature [3]
260癈 For 5 Seconds
-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. 
Electrical / Optical Characteristics at TA=25癈 
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
High Efficiency Red
Green
627
565
 
nm
IF=20mA
籇 [1]
Dominant Wavelength
High Efficiency Red
Green
617
568
 
nm
IF=20mA
敾1/2
Spectral Line Half-width
High Efficiency Red
Green
45
30
 
nm
IF=20mA
C
Capacitance
High Efficiency Red
Green
15
15
 
pF
VF=0V;f=1MHz
VF [2]
Forward Voltage
High Efficiency Red
Green
2
2.2
2.5
2.5
V
IF=20mA
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