SPEC NO: DSAF1890 REV NO: V.5 DATE: APR/11/2011 PAGE: 1 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP: 1102013046
T-1 (3mm) BI-LEVEL LED INDICATOR
Part Number: WP934MD/2YD Yellow
Features
zPre-trimmed leads for pc mounting.
zBlack case enhances contrast ratio.
zWide viewing angle.
zHigh reliability life measured in years.
zHousing UL rating:94V-0.
zHousing material: type 66 nylon.
zRoHS compliant.
Description
The Yellow source color devices are made with Gallium
Arsenide Phosphide on Gallium Phosphide Yellow Light
Emitting Diode.
Package Dimensions
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is ±0.25(0.01") unless otherwise noted.
3. Lead spacing is measured where the leads emerge from the package.
4. The specifications, characteristics and technical data described in the datasheet are subject to change without prior notice.
SPEC NO: DSAF1890 REV NO: V.5 DATE: APR/11/2011 PAGE: 2 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP: 1102013046
Selection Guide
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%.
Absolute Maximum Ratings at TA=25°C
Electrical / Optical Characteristics at TA=25°C
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
V
iewing
Angle [1]
Min. Typ. 2θ1/2
WP934MD/2YD Yellow (GaAsP/GaP) Yellow Diffused 8 15 40°
Iv (mcd) [2]
@ 10mA
Symbol Parameter Device Typ. Max. Units Test Conditions
λpeak Peak Wavelength Yellow 590 nm IF=20mA
λD [1] Dominant Wavelength Yellow 588 nm IF=20mA
Δλ1/2 Spectral Line Half-width Yellow 35 nm IF=20mA
C Capacitance Yellow 20 pF VF=0V;f=1MHz
VF [2] Forward Voltage Yellow 2.1 2.5 V IF=20mA
IR Reverse Current Yellow 10 uA VR = 5V
Parameter Yellow Units
Power dissipation 75 mW
DC Forward Current 30 mA
Peak Forward Current [1] 140 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
SPEC NO: DSAF1890 REV NO: V.5 DATE: APR/11/2011 PAGE: 3 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP: 1102013046
Yellow WP934MD/2YD
SPEC NO: DSAF1890 REV NO: V.5 DATE: APR/11/2011 PAGE: 4 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP: 1102013046
PACKING & LABEL SPECIFICATIONS WP934MD/2YD
SPEC NO: DSAF1890 REV NO: V.5 DATE: APR/11/2011 PAGE: 5 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: J.Yu ERP: 1102013046
