YETDA INDUSTRY LTD.
0.28” FOUR DIGIT RED LED DISPLAY
Q-2843CD/SK11
DESCRIPTION
* 0.28” (7mm) Inch Digit Height.
* High Bright Red Display.
* Black Face and White Segment Color.
* Common Cathode.
ABSOLUT MAXIMUM RATINGS AT Ta=25°C
Parameter
Power Dissipation Per Seg. & Dot
Peak Forward Current Per Seg. & Dot
Forward current Per Seg. & Dot
Reverse Voltage Per Seg. & Dot
Operation Temperature Range
Storage Temperature Range
Lead Soldering Temperature
40
120
30
5
-25°C TO +80°C
UNIT
mW
mA
mA
V
°C
-25°C TO +100°C
°C
260℃ for 3 seconds
1.6mm(1/16 inch) from body
ELECTRICAL/OPTOTICAL CHARACTERISTIC AT Ta=25°C
PARAMETER
Average Luminous Intensity
Emission Wavelength
Forward Voltage Per Seg.
Reverse Current Per Seg.
Luminous Intensity Matching
Ratio
SYMBOL MIN. TYP. MAX. UNIT
Iv
λd
Vf
Ir
Iv-m
4
12
660
1.8
2.2
10
2:1
mcd
nm
V
uA
CONDITION
If=20mA
If=20mA
If=20mA
Vr=5V
If=20mA
20091112
YETDA INDUSTRY LTD.
P.C.B. Pin Connection
Reflector Dimensions
Unit:mm