LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
FEATURES
*
0.4 inch (10.0 mm) DIGIT HEIGHT.
*
CONTINUOUS UNIFORM SEGMENTS.
*
LOW POWER REQUIREMENT.
*
EXCELLENT CHARACTERS APPEARANCE.
*
HIGH BRIGHTNESS & HIGH CONTRAST.
*
WIDE VIEWING ANGLE.
*
SOLID STATE RELIABILITY.
*
CATEGORIZED FOR LUMINOUS INTENSITY.
DESCRIPTION
The LTC-4627WC-20 is a 0.4 inch (10.0 mm) digit height
quadruple digit seven-segment display. This device uses AlGaAs
RED LED chips ( AlGaAs epi on GaAs substrate). The display
has gray face and white segments.
DEVICE
PART NO.
AlGaAs RED
LTC-4627WC-20
DESCRIPTION
Multiplex Common Anode
Rt. Hand Decimal
PART NO.: LTC-4627WC-20
BNS-OD-C131/A4
PAGE:
1 of 5
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
ABSOLUTE MAXIMUM RATING
PARAMETER
Power Dissipation Per Segment
Peak Forward Current Per Segment
(Frequency 1Khz,10% duty cycle)
Continuous Forward Current Per Segment
Forward Current Derating from 25
0
C
Reverse Voltage Per Segment
Operating Temperature Range
Storage Temperature Range
*See figure 5 to establish pulsed condition
MAXIMUM RATING
75
125*
30
0.4
8
-35℃ to +85℃
-35℃ to +85℃
UNIT
mW
mA
mA
mA/℃
V
Soldering Conditions: 1/16 inch below eating plane for 3 seconds at 260
0
C
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25
o
C
PARAMETER
Average Luminous Intensity
Peak Emission Wavelength
Spectral Line Half-Width
Dominant Wavelength
Forward Voltage Per Segment
Reverse Current Per Segment
Luminous Intensity Matching Ratio
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
V
λp
∆λ
λd
V
F
I
R
I
V
-m
200
650
3400
660
35
638
1.6
1.7
1.8
2
2:1
µA
2.4
V
µcd
µcd
nm
nm
nm
I
F
=1mA
I
F
=5mA
I
F
=20mA
I
F
=20mA
I
F
=20mA
I
F
=1mA
I
F
=5mA
I
F
=20mA
V
R
=8V
I
F
=10mA
Note: Luminous intensity is measured with a light sensor and filter combination that
approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve.
(V
R
=8V, I
R
=2µA is based on basic load)
PART NO.: LTC-4627WC-20
BNS-OD-C131/A4
PAGE:
4 of 5
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
(25
o
C Ambient Temperature Unless Otherwise Noted)
PART NO.: LTC-4627WC-20
BNS-OD-C131/A4
PAGE:
5 of 5