SPEC NO: DSAH3334 REV NO: V.2 DATE: MAY/10/2007 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: Y.L.LI ERP: 1101015110 
Selection Guide 
Notes:
1. ?/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.
2. Luminous intensity/ luminous Flux: +/-15%.
Absolute Maximum Ratings at TA=25癈 
Electrical / Optical Characteristics at TA=25癈 
Notes:
1.Wavelength: +/-1nm.
2. Forward Voltage: +/-0.1V.
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  
iewing
Angle [1] 
Min. 
Typ. 
2?/2 
WP3A8ID
High Efficiency Red (GaAsP/GaP)
RED DIFFUSED
8
25
50?/SPAN>
Iv (mcd) [2]
@ 10mA 
Symbol 
Parameter 
Device 
Typ. 
Max. 
Units 
Test Conditions 
籶eak
Peak Wavelength
High Efficiency Red
627
 
nm
IF=20mA
籇 [1]
Dominant Wavelength
High Efficiency Red
625
 
nm
IF=20mA
敾1/2
Spectral Line Half-width
High Efficiency Red
45
 
nm
IF=20mA
C
Capacitance
High Efficiency Red
15
 
pF
VF=0V;f=1MHz
VF [2]
Forward Voltage
High Efficiency Red
2
2.5
V
IF=20mA
IR
Reverse Current
High Efficiency Red
 
10
uA
VR = 5V
Parameter 
High Efficiency Red 
Units 
Power dissipation
75
mW
DC Forward Current
30
mA
Peak Forward Current [1]
160
mA
Reverse Voltage
5
V
Operating/Storage Temperature
-40癈 To +85癈
Lead Solder Temperature [2]
260癈 For 3 Seconds
Lead Solder Temperature [3]
260癈 For 5 Seconds
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