SPEC NO: DSAF2568 REV NO: V.4A DATE: JAN/26/2013 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: Y.Liu ERP: 1101001526
Selection Guide
Absolute Maximum Ratings at TA=25°C
Electrical / Optical Characteristics at TA=25°C
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. 2θ1/2
WP144SRDT Super Bright Red (GaAlAs)
40 80
110
°
*20 *50
Red Diffused
Symbol Parameter Device Typ. Max. Units Test Conditions
λpeak Peak Wavelength Super Bright Red 655 nm I
F=20mA
λD [1] Dominant Wavelength Super Bright Red 640 nm I
F=20mA
Δλ1/2 Spectral Line Half-width Super Bright Red 20 nm I
F=20mA
C Capacitance Super Bright Red 45 pF V
F=0V;f=1MHz
V
F [2] Forward Voltage Super Bright Red 1.85 2.5 V IF=20mA
I
R Reverse Current Super Bright Red 10 uA VR = 5V
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/Storage Temperature -40°C To +85°C
Lead Solder Temperature [2] 260°C For 3 Seconds
Lead Solder Temperature [3] 260°C For 5 Seconds
Notes:
1. θ1/2 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.
