BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-41457ND
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Features :
4.118 inch (104.6mm) matrix height.
Square size 12.0 × 12.0mm.
Low power requirement.
Excellent characters appearance.
Solid state reliability.
Multiplex drive , column cathode com.
and row anode com.
Single color available.
Categorized for luminous intensity.
Stackable vertically and horizontally.
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Package Dimensions :
74.80(2.945)
104.60(4.118)
76.20(3.000)
PIN 1.
12.0x12.0
(.472x.472)
12.80(.504)
0.80(.031)
3.00(.118) MIN.
5.08x6=30.48(1.200)
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Description :
The BM-41457ND is a 104.6mm (4.118")
matrix height 5×7 square matrix display.
This product use hi-eff red chips, which
are made from GaAsP on GaP substrate.
This product have a black face and
white squares.
This product doesn't contain restriction
substance, comply ROHS standard.
Notes:
1. All dimensions are in millimeters(inches).
2. Tolerance is ±0.25mm(.01")unless otherwise
specified.
3. Specifications are subject to change without
notice.
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Internal Circuit Diagram :
½鴻工業股½有限公司
http://www.brtled.com
Ver.1.0 Page 1 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-41457ND
●
Absolute Maximum Ratings(Ta=25℃)
Parameter
Power Dissipation Per Square
Forward Current Per Square
Peak Forward Current Per Square
Reverse Voltage Per Square
Operating Temperature
Storage Temperature
Soldering Temperature
(1/16" From Body)
Symbol
Pd
I
F
I
FP
(Duty 1/10, 1KHZ)
V
R
Topr
Tstg
Tsol
Rating
160
30
150
5
-40℃~80℃
-40℃~85℃
260℃ For 5 Seconds
Unit
mW
mA
mA
V
-
-
-
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Electrical And Optical Characteristics(Ta=25℃)
Parameter
Forward Voltage Per Square
Luminous Intensity Per Square
Reverse Current Per Square
Peak Wave Length
Dominant Wave Length
Symbol Condition
V
F
Iv
I
R
λp
λd
I
F
=10mA
I
F
=10mA
V
R
=5V
I
F
=10mA
I
F
=10mA
Min.
-
-
-
-
626
-
Typ.
4.0
15.0
-
640
-
Max.
5.0
-
100
-
636
-
Unit
V
mcd
µA
nm
nm
nm
Spectral Line Half-width
½鴻工業股½有限公司
http://www.brtled.com
∆λ
I
F
=10mA
40
Ver.1.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-41457ND
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Typical Electro-Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Fig.1 Relative Radiant Intensity VS. Wavelength
1.0
Relative Radiant Intensity
0.5
0
560
590
620
Wavelength(nm)
650
680
710
740
Relative Luminous Intensity
(@20mA)
0
1
2
3
4
5
50
Fig.2 Forward Current VS.
Forward Voltage
3.0
2.5
2.0
1.5
1.0
0.5
Fig.3 Relative Luminous
Intensity VS.
Ambient Temperature
Forward Current (mA)
40
30
20
10
0
Forward Voltage (V)
Fig.4 Relative Luminous
Intensity VS.
Forward Current
0
-40
Ambient Temperature Ta( C)
Fig.5 Forward Current
Derating Curve VS.
Ambient Temperature
-20
0
20
40
60
Relative Luminous Intensity
(@20mA)
3.0
2.0
Forward Current(mA)
1.0
½鴻工業股½有限公司
http://www.brtled.com
40
30
20
10
0
0
10
20
30
40
50
0
20
40
60
80
50
0.0
100 120
Forward Current(mA)
Ambient Temperature Ta( C)
Ver.1.0 Page 3 of 3
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