SPEC NO: DSAD1254 REV NO: V.10A DATE: MAR/14/2013 PAGE: 2 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1202000459 
Selection Guide 
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. 
Absolute Maximum Ratings at TA=25癈 
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. 
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 
AM2520EC03
High Efficiency Red (GaAsP/GaP)
Water Clear
50
100
*20
*50
20?/SPAN>
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
617
 
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 Temperature
-40癈 To +85癈
Storage Temperature
-40癈 To +85癈
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