BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40J57MD
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1. 2. 3. 4. 5. 6.
Features :
4.2 inch (106.20mm) matrix height. Dot size 10.0mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column anode com. and row cathode com.
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Package Dimensions :
7. 8. 9.
Single color available. Categorized for luminous intensity. Stackable vertically and horizontally.
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1. 2.
Description :
The BM-40J57MD is a 106.20mm(4.2") matrix height 5×7 dot matrix display. This product use super orange chips, which are made from AlGaInP 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 :
佰鴻工業股份有限公司 http://www.brtled.com
Ver.1.0 Page 1 of 3 1.1
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40J57MD
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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
Symbol Condition
VF Iv IR λp λd IF=10mA IF=10mA VR=5V IF=10mA IF=10mA
Min.
610 -
Typ.
4.0 32.0 620 -
Max.
5.0 100 620 -
Unit
V mcd µA nm nm nm
Spectral Line Half-width
佰鴻工業股份有限公司 http://www.brtled.com
∆λ IF=10mA 17
Ver.1.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BM-40J57MD
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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
0 530
560
590
Wavelength(nm)
620
650
680
710
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)
2.0
50 40
1.5 1.0 0.5 0
Forward Current(mA)
佰鴻工業股份有限公司 http://www.brtled.com
30 20 10 0 10 20 30 40 50
Forward Current(mA)
Ambient Temperature Ta( C)
20
40
60
80
100 120
Ver.1.0 Page 3 of 3
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