LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYB-27271/2/3/4/5x SERIES DATA SHEET
27.0x27.0mm light bar display.
1. Description:
THE LYB-27271/2/3/4/5X series is direct drive drive bar product. The LYB-2727xE/SR/DR/UR are
SUPER BRIGHT RED COLOR. The LYB-2727xG/UG is green product. THE PIN 1 IS and PIN. 2 IS
Cathode..
2. Outer dimension / pin connection:
LYB-27271/2/3x
LYB-27271x
Pin.1
LYB-27273x
LYB-27272X
1
LYB-27274/5x
LYB-27274
LYB-27275x
REV. 2
Issue by:
Tiger Chang
PAGE:1
QC co-sign:
Lin C.H.
13 April, 1999
App’d by:
Russ Hsu
LEDYOUNG
LEDYOUNG TECHNOLOGY CORPORATION
LYB-27271/2/3/4/5x SERIES DATA SHEET
27.0x27.0mm light bar display.
3. Absolute maximum rating at temp=25
o
c
parameter
Power dissipation/per LED
Forward current/ per LED
Reverse voltage / per LED
Operation temperature
Storage temperature
Symbol
Pd
If
Vr
Topr
Tstg
E
312
SR
DR
UR
330
10
5
-25
o
C ~ 65
o
C
-30
o
C ~ 70
o
C
G
336
UG
336
SY
330
SE
280
Unit
mW
mA
V
O
O
278 278
C
C
4. Electrical optical characteristics curves at temp=25
o
c
Parameter
Average luminous intensity
Peak emission wavelength@20 m A
Spectral line half-width
Forward voltage / per LED @20 m A
Reverse current / per LED @ 5V
Symbol
E
4.5
635
20
SR
5.5
660
15
1.8
DR
11
660
15
1.8
UR
20
660
15
2.0
G
4.0
565
30
UG
6.6
30
100
A
4.5
30
SY
20
595
20
1.8
UA
20
603
20
1.8
SE
20
635
15
2.05
Unit
mcd
nm
nm
V
uA
Iv
565 603
Vf
Ir
1.95
2.05 2.05 2.05
NOTE.
The
Average luminous intensity is tested under constant current 20 m A / per LED.
REV. 2
Issue by:
Tiger Chang
PAGE:2
QC co-sign:
Lin C.H.
13 April, 1999
App’d by:
Russ Hsu
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