2-25
BLUE
PRODUCTS
PRELIMINARY
0.28" Blue LED Displays
LTS-2X01AB
LTD-2000B Series
LTC-2000B
Features
0.28 inch (7.0mm) digit height
Continuous uniform segments.
Low power requirement.
Excellent characters appearance.
Solid state reliability.
Wide viewing angle.
Categorized for luminous intensity.
I.C. compatiable.
Easy mounting on P.C. board or socket.
Description
The LTS-2X01AB, LTD-2000B, LTC-2000B series are 0.28 inch (7.0mm) height seven segment single, dual, triple
and quadruple digit displays.
The blue series devices utilize LED chips which are made from GaN on a SiC substrate. The devices have gray face
and white segments.
Package Dimensions
A.LTS-2301AB/2801AB B.LTD-2601B/2701B
Notes:All dimensions are in millimeters (inches). Tolerance: 0.25mm ( 0.01") unless otherwise noted.
C.LTC-2621B/2721B D.LTC-2623B/2723B
2-26
PRELIMINARY
Devices
Part No. Description Package
Dimension
Internal
Circuit
Diagram
blue
LTS-2301AB
LTS-2801AB
LTD-2601B
LTD-2701B
LTC-2621B
LTC-2721B
LTC-2623B
LTC-2723B
Common Cathode,
Rt. Hand Decimal
Common Anode,
Rt. Hand Decimal
Dualplex Common Anode,
Rt. Hand Decimal
Dualplex Common Cathode,
Rt. Hand Decimal
Multiplex Common Anode,
Rt. Hand Decimal
Multiplex Common Cathode,
Rt. Hand Decimal
Multiplex Common Anode,
Rt. Hand Decimal
Common Common Cathode,
Rt. Hand Decimal
A
A
B
B
C
C
D
D
A
B
C
D
E
F
G
H
Pin Connection
Pin No. Connection
A.LTS-2301AB B.LTS-2801AB
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Anode E
Anode D
Common Cathode
Anode C
Anode D.P.
Anode B
Anode A
Common Cathode
Anode G
Anode F
Cathode E
Cathode D
Common Anode
Cathode C
Cathode D.P.
Cathode B
Cathode A
Common Anode
Cathode G
Cathode F
Pin No. Connection
C.LTD-2601B D.LTD-2701B
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Cathode E
Cathode D
Cathode C
Cathode G
Cathode D.P.
Common Anode Digit 2
Cathode A
Cathode B
Common Anode Digit 1
Cathode F
Anode E
Anode D
Anode C
Anode G
Anode D.P.
Common Cathode Digit 2
Anode A
Anode B
Common Cathode Digit 1
Anode F
2-27
BLUE
PRODUCTS
PRELIMINARY
Internal Circuit Diagrams
A.LTS-2301AB B.LTS-2801AB
Pin No. Connection
G.LTC-2623B H.LTC-2723B
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
Common Anode Digit 1
Cathode C, L3
Cathode D.P.
No Connection
Cathode E
Cathode D
Cathode G
Common Anode Digit 4
No Connection
No Pin
Common Anode Digit 3
Common Anode L1, L2, L3
Cathode A, L1
Common Anode Digit 2
Cathode B, L2
Cathode F
Common Cathode Digit 1
Anode C, L3
Anode D.P.
No Connection
Anode E
Anode D
Anode G
Common Cathode Digit 4
No Connection
No Pin
Common Cathode Digit 3
Common Cathode L1, L2, L3
Anode A, L1
Common Cathode Digit 2
Anode B, L2
Anode F
Anode D
Common Cathode Digit 1
Anode D.P.
Anode E
Common Cathode Digit 2
Anode C
Anode G
Common Cathode Digit 3
No Connection
No Pin
No Pin
Anode B
Common Cathode L1, L2, L3
No Pin
Anode A
Anode F
Pin No. Connection
E.LTC-2621B F.LTC-2721B
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
Cathode D
Common Anode Digit 1
Cathode D.P.
Cathode E
Common Anode Digit 2
Cathode C
Cathode G
Common Anode Digit 3
No Connection
No Pin
No Pin
Cathode B
Common Anode L1, L2, L3
No Pin
Cathode A
Cathode F
C.LTD-2601B D.LTD-2701B
2-28
PRELIMINARY
E.LTC-2621B F.LTC-2721B
G.LTC-2623B H.LTC-2723B
Blue Unit
Power Dissipation Per Segment
Peak Forward Current Per Segment
(1/10 Duty Cycle, 0.1ms Pulse Width)
Continuous Forward Current Per Segment
Derating Linear from 25 Per Segment
Reverse Voltage Per Segment
Operating Temperature Range
Stroage Temperature Range
Solder Temperature 1/16 Inch Below Seating Plane for 3 Seconds at 260
65
60
15
0.2
5
mW
mA
mA
mA/
V
-35 to +85
-35 to +85
Absolute Maximum Rating at Ta=25
Parameter
Electrical/Optical Characteristics at Ta=25
Parameter Symbol Min. Typ. Max. Unit Test Condition
Average Luminous Intensity
Peak Emission Wavelength
Spectral Line Half-Width
Dominant Wavelength
Forward Voltage, Per Segment
Reverse Current, Per Segment
Luminous Intensity Matching Ratio
IV
P
d
VF
IR
IV-m
1000 3000
428
65
466
3.8
cd
nm
nm
nm
V
A
4.5
100
2:1
IF=10mA
IF=20mA
IF=20mA
IF=20mA
IF=20mA
VR=5V
IF=10mA
Notes:Luminous intensity is measured with a light sensor and filter combination that appoximates the CIE
(Commission Internationale de l'Eclairage)eye-response curve.
2-29
BLUE
PRODUCTS
PRELIMINARY
Typical Electrical/Optical Characteristic Curves
(25 Ambient Temperature Unless Otherwise Noted)