LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
FOUR DIGIT LED DISPLAY (0.3 Inch)
LFD3A5/64-XX
DATA SHEET
DOC. NO
REV.
DATE
:
:
QW0905- LFD3A5/64-XX
A
: 23 - Nov. 2005
-
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LFD3A5/64-XX
Page 1/7
Package Dimensions
30.4(1.197")
7.0
(0.276")
DIG.1
7.6
(0.3")
DIG.2
DP5
DIG.3
DIG.4
DP8
DP9
13.2
(0.52")
10.0
(0.394")
DP1
DP2
DP3
DP4
DP6
DP7
DP10
A
LFD3A5/64-XX
LIGITEK
F G
E
D
B
C
DP
ψ
0.45
TYP
2.54X10=25.4
(1.0")
6.0
±
0.5
Note : 1.All dimension are in millimeters and (lnch) tolerance is
±
0.25mm unless otherwise noted.
2.Specifications are subject to change without notice.
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LFD3A5/64-XX
Page 2/7
Internal Circuit Diagram
LFD3A54-XX
LFD3A64-XX
21
17
19
20
3
11
18
22
7
12
A
DIG.1
B
C
2
D
E
F
G
A
DIG.2
B
C
5
D
E
F
G
DP5
DP6
A
DIG.3
B
C
8
D
E
F
G
21
17
19
20
3
11
18
22
7
12
A
DIG.1
B
C
2
D
E
F
G
A
DIG.2
B
C
5
D
E
F
G
DP5
DP6
A
DIG.3
B
C
8
D
E
F
G
6
6
9
DP7
16
9
DP7
16
A
DIG.4
B
C
10
D
E
F
G
A
DIG.4
B
C
10
D
E
F
G
15
DP4
13
15
DP4
13
1,4,14,23,24 NOPIN
1,4,14,23,24 NOPIN
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LFD3A5/64-XX
Page 3/7
Electrical Connection
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
NO PIN
Common Cathode Dig.1
Anode D
NO PIN
Commom Cathode Dig.2
Cathode DP5,DP6
Anode DP5
Common Cathode Dig.3
Anode DP7
Common Cathode Dig.4
Anode (Dig.2,Dig.3,Dig.4) E
Anode DP6
Cathode DP4
NO PIN
Anode DP4
Cathode DP7
Anode A
Anode F
Anode B
Anode C
Anode Dig.1 E
Anode G
NO PIN
NO PIN
LFD3A54-XX
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
NO PIN
Common Anode Dig.1
Cathode D
NO PIN
Commom Anode Dig2
Anode DP5
Cathode DP5
Common Anode Dig.3
Cathode DP7
Common Anode Dig.4
Cathode (Dig.2,Dig.3,Dig.4) E
Cathode DP6
Anode DP4
NO PIN
Cathode DP4
Cathode DP7
Cathode A
Cathode F
Cathode B
Cathode C
Cathode Dig.1 E
Cathode G
NO PIN
NO PIN
LFD3A64-XX
LIGITEK ELECTRONICS CO.,LTD.
Property of Ligitek Only
PART NO. LFD3A5/64-XX
Page 4/7
Absolute Maximum Ratings at Ta=25
℃
Ratings
Parameter
Symbol
E
Forward Current Per Chip
Peak Forward Current Per
Chip (Duty 1/10,0.1ms
Pulse Width)
Power Dissipation Per Chip
Reverse Current Per Any Chip
Operating Temperature
Storage Temperature
I
F
30
120
mA
UNIT
I
FP
mA
PD
Ir
T
opr
Tstg
100
10
-25 ~ +85
-25 ~ +85
mW
μ
A
℃
℃
Solder Temperature 1/16 Inch Below Seating Plane For 3 Seconds At 260
℃
Part Selection And Application Information(Ratings at 25
℃
)
Electrical
Vf(v)
Iv(mcd)
Min. Typ. Max. Min. Typ.
PART NO
Common
Cathode
Material Emitted or Anode
CHIP
Common
Cathode
GaAsP/GaP
λ
P
(
nm)
△λ
(nm)
IV-M
LFD3A54-XX
Orange
Common
Anode
635
45
1.7
2.1 2.6 0.5 1.0
2:1
LFD3A64-XX
Note : 1.The forward voltage data did not including
±
0.1V testing tolerance.
2. The luminous intensity data did not including
±
15% testing tolerance.
