BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40658ND
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1. 2. 3. 4. 5. 6. 7. 8. 9.
Features :
4.78 inch (121.50mm) matrix height. Dot size 10.0 mm. 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 :
121.50(4.783)
91.40(3.598)
PIN 1.
+
75.80(2.984)
10.0(.394)
0.80(.031) 5.08x6=30.48(1.200)
13.30(.524) 3.00(.118) MIN.
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1. 2.
Description :
The BM-40658ND is a 121.5mm (4.78") matrix height 5×8 dot matrix display. This product use super red chips, which are made from AlGaAs on GaAs substrate. 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.
3. 4.
This product have a black face and white dots. This product doesn't contain restriction substance, comply ROHS standard.
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Internal Circuit Diagram :
Ver.2.0 Page 1 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40658ND
●
Absolute Maximum Ratings(Ta=25℃) Parameter
Power Dissipation Per Dot Forward Current Per Dot Peak Forward Current Per Dot Reverse Voltage Per Dot Operating Temperature Storage Temperature Soldering Temperature (1/16" From Body)
Symbol
Pd IF IFP (Duty 1/10, 1KHZ) VR 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 Dot Luminous Intensity Per Dot Reverse Current Per Dot Peak Wave Length Dominant Wave Length Spectral Line Half-width
Symbol Condition
VF Iv IR λp λd ∆λ IF=10mA IF=10mA VR=5V IF=10mA IF=10mA IF=10mA
Min.
-
Typ.
3.4 20 660 643 20
Max.
5.0 100 -
Unit
V mcd µA nm nm nm
Ver.2.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40658ND
●
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
0 570
600
630
Wavelength(nm)
660
690
720
750
Relative Luminous Intensity (@20mA)
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
50 40 30 20 10 0
2.0
1.0
0.0
Forward Current(mA)
10
20
30
40
50
20
40
60
80
100 120
Forward Current(mA)
Ambient Temperature Ta( C)
Ver.2.0 Page 3 of 3
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