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Selection Guide
Iv (mcd) [2]
Viewing
Part No.
Dice
Lens Type
@ 20mA
Min.
Typ.
Angle [1]
2 θ 1/2
WP937YYD
Yellow (GaAsP/GaP)
Yellow (GaAsP/GaP)
Yellow Diffused
3
3
9
9
60 °
Notes:
1. θ 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%.
3. Luminous intensity value is traceable to the CIE127-2007 compliant national standards.
Electrical / Optical Characteristics at TA=25°C
Symbol
λ peak
λ D [1]
Δλ 1/2
C
V F [2]
Parameter
Peak Wavelength
Dominant Wavelength
Spectral Line Half-width
Capacitance
Forward Voltage
Device
Yellow
Yellow
Yellow
Yellow
Yellow
Typ.
590
588
35
20
2.1
Max.
2.5
Units
nm
nm
nm
pF
V
Test Conditions
I F =20mA
I F =20mA
I F =20mA
V F =0V;f=1MHz
I F =20mA
Notes:
1.Wavelength: +/-1nm.
2.Forward Voltage: +/-0.1V.
3.Wavelength value is traceable to the CIE127-2007 compliant national standards.
Absolute Maximum Ratings at TA=25°C
Parameter
Power dissipation
DC Forward Current
Peak Forward Current [1]
Operating / Storage Temperature
Lead Solder Temperature [2]
Lead Solder Temperature [3]
Notes:
1. 1/10 Duty Cycle, 0.1ms Pulse Width.
2. 2mm below package base.
3. 5mm below package base.
Yellow
75
30
140
-40°C To +85°C
260°C For 3 Seconds
260°C For 5 Seconds
Units
mW
mA
mA
SPEC NO: DSAF2634
APPROVED: WYNEC
REV NO: V.4B
CHECKED: Allen Liu
DATE: FEB/17/2013
DRAWN: Y.Liu
PAGE: 2 OF 6
ERP: 1101008675
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