ROHM LM-1256 Technical data
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7
6
P
LED displays
LM-1256 Series
16×16 matrix displays
LM-1256 Series
The LM-1256 series are 16 × 16 matrix
displays which can be used in a wide
variety of applications, includi ng alphabet, numeric, symbol, and red are available .
zApplications
Light sources for displays
zFeatures
1) 16×16 dot matrix
Circlar emitters.
2) External dimensions : 32×32×5.4mm
3) Emitters : Circular, 1.6mm diameter.
4) Black package.
zSelection guide
Emitting color
Common
Anode
∗
Bright red
∗
Red
LM-1256LB1
zPin assignments (Top view)
Pin No.24Pin No.25
ABCDE FGH I JK LMNOP
1
2
3
in No.32
Pin No.1
4
5
6
7
8
9
10
11
12
13
14
15
16
Single color type
Pin No.9Pin No.8
Pin No.1
Pin No.1
Rev.C 1/3
zDimensions ( Unit : mm )
A BCDEFGHIJKLMNOP
1
2
3
4
5
6
7
0
-0.1
8
32
9
10
P2×15=30
11
12
13
14
15
16
256-φ1.6
Single color type
1Pin Mark
Part No.
LM-1256LB1
rank
PIN 32 PIN 16
P2×7=14
PIN 25
Tolerances ±0.3 unless otherwise noted
P2×15=30
φ0.5
PIN 8PIN 1
R2
PIN 24
0
32
-0.1
88
505K
P2×7=14
24
4-φ1PIN
PIN 9
PIN 17
3.7
1.7
6±0.5
8
24
8
Lot No.
LED displays
t
t
t
zInternal circuit schematic
1 2 3 4 15 16
P
O
B
A
LM-1256 Series
Single color type
(LB1)
zPin assignment table
Single-color type(LB1)
Pin No. Connection ConnectionPin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A Cathode
B Cathode
C Cathode
D Cathode
E Cathode
F Cathode
G Cathode
H Cathode
16 Anode
15 Anode
14 Anode
13 Anode
12 Anode
11 Anode
10 Anode
9 Anode
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
P Cathode
O Cathode
N Cathode
M Cathode
L Cathode
K Cathode
J Cathode
I Cathode
1 Anode
2 Anode
3 Anode
4 Anode
5 Anode
6 Anode
7 Anode
8 Anode
zAbsolute maximum ratings (Ta=25°C)
Single-color type
Parameter Symbol
Power dissipation
Forward current
Peak forward current
Reverse voltage
Operating temperature
Storage temperature
∗
1
Pulse width 1msec duty 1 / 16
Bright red
∗
2
P
I
F
I
FP
V
Topr
Tstg
D
R
LB1
2
Red∗
50
20
1
∗
60
4
−20 to +50
−30 to +75
Unit
mW/do
mA/do
mA/do
V
°C
°C
Rev.C 2/3
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