KINGBRIGHT L937YYD, L937GYW, L937GGD, L937EYW, L937IID Datasheet
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T-1(3mm) BI-COLOR INDICATOR LAMPS
Features
!UNIFORM LIGHT OUTPUT.
!LOW POWER CONSUMPTION.
!MILKY WHITE DIFFUSION LENS.
!THIRD COLOR (MIXED COLOR) AVAILABLE.
!SUPER BRIGHT VERSION AVAILABLE.
!I.C. COMPATIBLE.
!LONG LIFE - SOLID STATE RELIABILITY.
Package Dimensions
L937 SERIES
Description
The High Efficiency Red source color devices are made with Gallium Arsenide Phosphide on Gallium Phosphide Orange Light Emitting Diode.
The Green source color devices are made with Gallium Phosphide Green Light Emitting Diode.
The Yellow source color devices are made with Gallium Arsenide Phosphide on Gallium Phosphide Yellow Light Emitting Diode.
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 lead emerge package.
4.Specifications are subject to change without notice.
SPEC NO: CDA0788 |
REV NO: V.1 |
DATE: NOV/18/2001 PAGE: 1 OF 6 |
APPROVED: J.LU |
CHECKED: |
DRAWN: Y.F.XU |
Selection Guide
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Iv (mcd) |
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Viewing |
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Part No. |
Dice |
Lens Type |
@ 20 mA |
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Angle |
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Min. |
Typ. |
2 θ 1 /22 |
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L937IID |
HIGH EFFICIENCY RED (GaAsP/GaP) |
RED DIFFUSED |
8 |
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20 |
60° |
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HIGH EFFICIENCY RED (GaAsP/GaP) |
8 |
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20 |
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L937GGD |
GREEN (GaP) |
GREEN DIFFUSED |
5 |
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15 |
60° |
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GREEN (GaP) |
5 |
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15 |
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L937YYD |
YELLOW (GaAsP/GaP) |
YELLOW DIFFUSED |
5 |
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10 |
60° |
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YELLOW (GaAsP/GaP) |
5 |
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10 |
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L937EGW |
HIGH EFFICIENCY RED (GaAsP/GaP) |
WHITE DIFFUSED |
8 |
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20 |
60° |
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GREEN (GaP) |
8 |
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20 |
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L937EYW |
HIGH EFFICIENCY RED (GaAsP/GaP) |
WHITE DIFFUSED |
8 |
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20 |
60° |
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YELLOW (GaAsP/GaP) |
5 |
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10 |
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L937GYW |
GREEN (GaP) |
WHITE DIFFUSED |
8 |
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20 |
60° |
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YELLOW (GaAsP/GaP) |
5 |
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10 |
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Note:
1. θ 1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.
Electrical / Optical Characteristics at T)=25° C
Symbol |
Parameter |
Device |
Typ. |
Max. |
Units |
Test Conditions |
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λ peak |
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High Efficiency Red |
627 |
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Peak Wavelength |
Green |
565 |
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nm |
IF=20mA |
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Yellow |
590 |
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λ D |
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High Efficiency Red |
625 |
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Dominate Wavelength |
Green |
568 |
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nm |
IF=20mA |
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Yellow |
588 |
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∆ λ 1/2 |
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High Efficiency Red |
45 |
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Spectral Line Halfwidth |
Green |
30 |
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nm |
IF=20mA |
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Yellow |
35 |
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High Efficiency Red |
15 |
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C |
Capacitance |
Green |
15 |
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pF |
VF=0V;f=1MHz |
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Yellow |
20 |
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High Efficiency Red |
2.0 |
2.5 |
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VF |
Forward Voltage |
Green |
2.2 |
2.5 |
V |
IF=20mA |
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Yellow |
2.1 |
2.5 |
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IR |
Reverse Current |
All |
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10 |
uA |
VR = 5V |
SPEC NO: CDA0788 |
REV NO: V.1 |
DATE: NOV/18/2001 PAGE: 2 OF 6 |
APPROVED: J.LU |
CHECKED: |
DRAWN: Y.F.XU |
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