SPEC NO: DSAF1874 REV NO: V.8B DATE: MAR/19/2015 PAGE: 1 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1102013044
T-1 (3mm) BI-LEVEL LED INDICATOR
Part Number: WP934CA/2YD-90 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: DSAF1874 REV NO: V.8B DATE: MAR/19/2015 PAGE: 2 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1102013044
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%.
3. Luminous intensity value is traceable to the CIE127-2007 compliant national standards.
Absolute Maximum Ratings at TA=25°C
Electrical / Optical Characteristics at TA=25°C
Notes:
1.Wavelength: +/-1nm.
2.Forward Voltage: +/-0.1V.
3.Wavelength value is traceable to the CIE127-2007 compliant national standards.
4.Excess driving current and/or operating temperature higher than recommended conditions may result in severe light degradation or
premature failure.
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
WP934CA/2YD-90 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: DSAF1874 REV NO: V.8B DATE: MAR/19/2015 PAGE: 3 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1102013044
Yellow WP934CA/2YD-90
SPEC NO: DSAF1874 REV NO: V.8B DATE: MAR/19/2015 PAGE: 4 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1102013044
PACKING & LABEL SPECIFICATIONS WP934CA/2YD-90
Terms and conditions for the usage of this document
1. The information included in this document reflects representative usage scenarios and is intended for technical reference only.
2. The part number, type, and specifications mentioned in this document are subject to future change and improvement without
notice. Before production usage customer should refer to the latest datasheet for the updated specifications.
3. When using the products referenced in this document, please make sure the product is being operated within the environmental
and electrical limits specified in the datasheet. If customer usage exceeds the specified limits, Kingbright will not be responsible
for any subsequent issues.
4. The information in this document applies to typical usage in consumer electronics applications. If customer's application has
special reliability requirements or have life-threatening liabilities, such as automotive or medical usage, please consult with
Kingbright representative for further assistance.
5. The contents and information of this document may not be reproduced or re-transmitted without permission by Kingbright.
6. All design applications should refer to Kingbright application notes available at http://www.KingbrightUSA.com/ApplicationNotes
SPEC NO: DSAF1874 REV NO: V.8B DATE: MAR/19/2015 PAGE: 5 OF 5
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: L.Q.Xie ERP: 1102013044
