SPEC NO: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 1 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
T-1 3/4 (5mm) BLINKING LED LAMP
Part Number: L-56BYD Yellow
Features
zT-1 3/4 package.
zWith built-in blinking IC.
zOperation voltage from 3.5V to 14V.
zBlinking frequency from 3.0Hz to 1.5Hz.
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: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 2 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
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 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. 2mm below package base.
2. 5mm below package base.
Part No. Dice Lens Type
V
iewing
Angle [1]
Min. Typ. 2θ1/2
L-56BYD Yellow (GaAsP/GaP) Yellow Diffused 12 20 60°
Iv (mcd)
V= 9V
Symbol Parameter Device Min. Typ. Max. Units Test Conditions
λpeak Peak Wavelength Yellow 590 nm
λD Dominant Wavelength Yellow 588 nm
Δλ1/2 Spectral Line Half-width Yellow 35 nm
IF Forward Current Yellow 8 22 mA Min:VF=3.5V
Typ:VF=5V
ISON Supply Current Yellow 8 mA VF=3.5V
ISON Supply Current Yellow 44 mA VF=14V
f Blink Frequency Yellow 1.5 3 Hz VF=3.5V~14V
Parameter Yellow Units
Power dissipation 310 mW
Forward Voltage 14 V
Reverse Voltage 0.5 V
Operating Temperature -40°C To +70°C
Storage Temperature -40°C To +85°C
Lead Solder Temperature [1] 260°C For 3 Seconds
Lead Solder Temperature [2] 260°C For 5 Seconds
Note:
1. Wavelength value is traceable to the CIE127-2007 compliant national standards.
SPEC NO: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 3 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
Yellow L-56BYD
SPEC NO: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 4 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
PACKING & LABEL SPECIFICATIONS L-56BYD
SPEC NO: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 5 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
SPEC NO: DSAB5285 REV NO: V.11B DATE: NOV/06/2012 PAGE: 6 OF 6
APPROVED: WYNEC CHECKED: Allen Liu DRAWN: F.Cui ERP: 1101005658
Detailed application notes are listed on our website.
http://www.kingbright.com/application_notes
