Page 1
0.4 inch ( 10.21 mm )
DUAL DIGIT NUMERIC LED DISPLAYS
UVD-4X2XC SERIES
DESCRIPTION
The UVD-432XC/482XC is 0.4 inch ( 10.21 mm ) height dual digit display.
Choices of four colors-high efficiency red/bright red/green/red orange.
High efficiency red, bright red and red orange display have red face and red segments.
Green display has gray face and green segments.
The bright red and green LED chip are made from GaP on a transparent GaP substrate.
The red orange LED chip are made from GaAsP on a transparent GaP substrate.
FEATURES
l Continuous uniform segments.
l Excellent characters appearance
l Low power requirement
DEVICES
ABSOLUTE MAXIMUM RATINGS
@ TA=25
o
C
75 75 mW
25 25 mA
0.33 0.33
mA/
o
C
5 5 V
11/14/2000
Storage Temperature Range
Continuous Forward Current Per Segment
Derating Linear From 25
o
C Per Segment
-35
o
C
to+85
o
C
-35
o
C
to+85
o
C
25
0.33
PARAMETER
HI.EFF.
RED
75
Operating Temperature Range
Reverse Voltage Per Segment
100
Power Dissipation Per Segment
Peak Forward Current Per Segment
( 1/10 Duty Cycle. ,0.1ms pulse width)
100
INTERNAL
CIRCUIT DIAGRAM
Fig. 2
UNIT
mA
RED
ORANGE
Solder Temperature 1/16 inch Below Seating Plane for 3 Seconds at 260
o
C
0.2
5
BRIGHT
RED
40
60
15
5
100
GREEN
l Industuy Standard Size
l Wide Viewing angle
PACKAGE
DIMENSION
Fig. 1
PART NO.
UVD-432XC
UVD-482XC
DESCRIPTION
Common Cathode
Common Anode
Unity Opto Technology Co., Ltd.
Page 2
0.4 inch ( 10.21 mm )
DUAL DIGIT NUMERIC LED DISPLAYS UVD-4X2XC SERIES
PACKAGE DIMENSIONS
Fig. 1
INTERNAL CIRCUIT DIAGRAM
UVD-482XC
Fig. 2
11/14/2000
UVD-432XC
Unity Opto Technology Co., Ltd.
Page 3
0.4 inch ( 10.21 mm )
DUAL DIGIT NUMERIC LED DISPLAYS
UVD-4X2XC SERIES
PIN CONNECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ELECTRICAL/OPTICAL CHARACTERISTICS
HI.EFF. RED (UVD-432HRC / 482HRC)
@ TA=25
o
C
SYMBOL MIN. TYP. MAX. UNIT
I
V
500 1300
µ
cdλp/Hue
635/623 nm
∆λ
40 nm
V
F
2.1 2.6 V
I
R
100
µ
A
Iv - m
2:1
BRIGHT RED (UVD-432PC / 482PC)
@ TA=25
o
C
SYMBOL MIN. TYP. MAX. UNIT
I
V
200 500
µ
cdλp/Hue
697/657 nm
∆λ
90 nm
V
F
2.1 2.6 V
I
R
100
µ
A
Iv - m
2:1
11/14/2000
Spectral Line Half-Width
IF = 20 mA
Luminous Intensity Matching Ratio
IF = 10 mA
Forward Voltage, Per Segment
IF = 20 mA
Reverse Current, Per Segment
VR = 5 V
Average Luminous Intensity
IF = 10 mA
Peak Emission Wavelength
IF = 20 mA
ANODE F 9 DIGIT 2)
ANODE B (DIGIT 2)
PARAMETER
TEST CONDITION
PARAMETER
Average Luminous Intensity
Peak Emission Wavelength
CATHODE B (DIGIT 2)
TEST CONDITION
IF = 10 mA
IF = 20 mA
CATHODE C (DIGIT 1)
CATHODE E (DIGIT 1)
CATHODE D (DIGIT 1)
CATHODE B (DIGIT 1)
CATHODE F (DIGIT 1)
COMMON ANODE (DIGIT 1)
COMMON ANODE (DIGIT 2)
CATHODE D (DIGIT 2)
CATHODE E (DIGIT 2)ANODE E (DIGIT 2)
ANODE C (DIGIT 2)
ANODE G (DIGIT 2)
ANODE A (DIGIT 2)
IF = 20 mA
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Forward Voltage, Per Segment
Spectral Line Half-Width
IF = 20 mA
VR = 5 V
IF = 10 mA
ANODE B (DIGIT 1)
ANODE F (DIGIT 1)
CATHODE A (DIGIT 1)
CATHODE G (DIGIT 1)
ANODE A (DIGIT 1)
ANODE G (DIGIT 1)
PIN
UVD-482XCUVD-432XC
CONNECTION
ANODE C (DIGIT 1)
ANODE E (DIGIT 1)
ANODE D (DIGIT 1)
ANODE D (DIGIT 2)
COMMON CATHODE (DIGIT 1)
COMMON CATHODE (DIGIT 2)
CATHODE C (DIGIT 2)
CATHODE G (DIGIT 2)
CATHODE A (DIGIT 2)
CATHODE F (DIGIT 2)
Unity Opto Technology Co., Ltd.
Page 4
0.4 inch ( 10.21 mm )
DUAL DIGIT NUMERIC LED DISPLAYS UVD-4X2XC SERIES
ELECTRICAL/OPTICAL CHARACTERISTICS
GREEN (UVD-432GC / 482GC)
@ TA=25
o
C
SYMBOL
MIN. TYP. MAX. UNIT
I
V
500 1300
µ
cdλp/Hue
565/569 nm
∆λ
30 nm
V
F
2.1 2.6 V
I
R
100
µ
A
Iv - m
2:1
RED ORANGE (UVD-432EC / 482EC)
@ TA=25
o
C
SYMBOL
MIN. TYP. MAX. UNIT
I
V
500 1300
µ
cdλp/Hue
630/621 nm
∆λ
40 nm
V
F
2.1 2.6 V
I
R
100
µ
A
Iv - m
2:1
11/14/2000
Average Luminous Intensity
IF = 10 mA
PARAMETER TEST CONDITION
Spectral Line Half-Width
PARAMETER
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
Forward Voltage, Per Segment
Average Luminous Intensity
Peak Emission Wavelength
IF = 20 mA
VR = 5 V
IF = 10 mA
TEST CONDITION
IF = 10 mA
IF = 20 mA
IF = 20 mA
Peak Emission Wavelength
IF = 20 mA
Forward Voltage, Per Segment
IF = 20 mA
Spectral Line Half-Width
IF = 20 mA
Reverse Current, Per Segment
VR = 5 V
Luminous Intensity Matching Ratio
IF = 10 mA
Unity Opto Technology Co., Ltd.
Page 5
0.4 inch ( 10.21 mm )
D
UAL DIGIT NUMERIC LED DISPLAYS
UVD-4X2XC SERIES
TYPICAL ELECTRICAL/OPTICAL CHARACTERISTIC CURVES
( Ambient Temperature =25
o
C
Unless Otherwise Noted )
11/14/2000
0
20
40
60
80
100
120
140
160
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
0
5
10
15
20
25
30
35
40
0 10 20 30 40 50 60 70 80 90
0
1
2
3
4
0 5 10 15 20 25 30
0
0.5
1
500 550 600 650 700 750 800
Relative Intensity
FIG.1 RELATIVE LUMINOUS INTENSITY VS.
WAVELENGTH
G
HR,
P
Relative Luminous Intensity
Forward Current I
F
(mA)
FIG.2 RELATIVE LUMINOUS INTENSITY
VS. FORWARD CURRENT
P
H R E G
Forward Current I
F
(mA)
H R E G
P
Y
Forward Current I
F
(mA)
Forward Voltage (V)
FIG.4 FORWARD CURRENT
VS. FORWARD VOLTAGE
HR E
G
P
Unity Opto Technology Co., Ltd.
Ambient Temperature (
o
C )
FIG.3 ALLOWABLE DC CURRENT
VS. AMBIENT TEMPERATURE
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