Selection Guide
Iv (mcd) [2]
@ 10mA
Viewing
Angle [1]
Part No.
Dice
Lens Type
Min.
Typ.
2θ1/2
WP144HDT
Notes:
Bright Red (GaP)
RED DIFFUSED
0.4
1
110°
1. θ1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.
2. Luminous intensity/ luminous Flux: +/-15%.
Electrical / Optical Characteristics at TA=25°C
Symbol
λpeak
λD [1]
Δλ1/2
C
Parameter
Peak Wavelength
Dominant Wavelength
Spectral Line Half-width
Capacitance
Device
Typ.
700
660
45
Max.
Units
nm
nm
nm
pF
Test Conditions
IF=20mA
Bright Red
Bright Red
Bright Red
Bright Red
Bright Red
Bright Red
IF=20mA
IF=20mA
40
VF=0V;f=1MHz
IF=20mA
VF [2]
IR
Forward Voltage
2.25
2.5
10
V
Reverse Current
uA
VR = 5V
Notes:
1.Wavelength: +/-1nm.
2. Forward Voltage: +/-0.1V.
Absolute Maximum Ratings at TA=25°C
Parameter
Bright Red
Units
mW
mA
mA
V
Power dissipation
62.5
25
DC Forward Current
Peak Forward Current [1]
Reverse Voltage
130
5
Operating/Storage Temperature
Lead Solder Temperature [2]
Lead Solder Temperature [3]
-40°C To +85°C
260°C For 3 Seconds
260°C For 5 Seconds
Notes:
1. 1/10 Duty Cycle, 0.1ms Pulse Width.
2. 2mm below package base.
3. 5mm below package base.
SPEC NO: DSAF2566
APPROVED: WYNEC
REV NO: V.2
CHECKED: Allen Liu
DATE: MAY/21/2007
DRAWN: Y.L.LI
PAGE: 2 OF 6
ERP: 1101009709