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Ver.1.0 Page 1 of 3
SINCE 1981
● Package Dimensions :
45.72(1.80)53.19(2.094)
PIN.1
2.54x6=15.24(.60)
30.48(1.20) 5.08x5.08
(.200x.200)
38.10(1.5)MAX. R0.50(.020)
38.1(1.50)
0.5 0.076
(.020 .003)
1.6(.063)
2.54(.100)TYP.
3.3(.130)
12.19(.480)
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.
● Features :
1. 2.094 inch (53.19mm) matrix height.
2. Square size 6.1×6.1mm.
3. Low power requirement.
4. Excellent characters appearance.
5. Solid state reliability.
6. Multiplex drive , column anode com.
and row cathode com.
7. Single color available.
8. Categorized for luminous intensity.
9. Stackable vertically and horizontally.
● Description :
1. The BM-21657MD is a 53.19mm (2.094")
matrix height 5×7 square matrix display.
2. This product use super red chips,
which are made from AlGaAs on GaAs
substrate.
3. This product have a black face and
white squares.
4. This product doesn't contain restriction
substance, comply ROHS standard.
● Internal Circuit Diagram :
佰鴻工業股份有限公司
http://www.brtled.com
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Ver.1.0 Page 2 of 3
SINCE 1981
● Absolute Maximum Ratings(Ta=25℃)
Parameter Symbol Rating Unit
Power Dissipation Per Square Pd 80 mW
Forward Current Per Square IF 30 mA
Peak Forward Current Per Square IFP
(Duty 1/10, 1KHZ) 150 mA
Reverse Voltage Per Square VR 5 V
Operating Temperature Topr -40℃~80℃ -
Storage Temperature Tstg -40℃~85℃ -
Soldering Temperature
(1/16" From Body) Tsol 260℃ For 5 Seconds -
● Electrical And Optical Characteristics(Ta=25℃)
Parameter Symbol Condition Min. Typ. Max. Unit
Forward Voltage Per Square VF I
F=10mA - 1.7 2.5 V
Luminous Intensity Per Square Iv IF=10mA - 16.0 - mcd
Reverse Current Per Square IR VR=5V - - 100
µA
Peak Wave Length λp IF=10mA - 660 - nm
Dominant Wave Length λd IF=10mA 638 - 648 nm
Spectral Line Half-width ∆λ IF=10mA - 20 - nm
佰鴻工業股份有限公司
http://www.brtled.com
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Ver.1.0 Page 3 of 3
SINCE 1981
● Typical Electro-Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Forward Voltage (V)
Forward Current (mA)
12345
0
10
20
30
40
50
Fig.2 Forward Current VS.
Forward Voltage
Wavelength(nm)
Relative Radiant Intensity
Fig.1 Relative Radiant Intensity VS. Wavelength
Ambient Temperature Ta( C)
Forward Current(mA)
Relative Luminous Intensity
-40 -20 0 20 40 60
0
0.5
1.0
1.5
2.0
2.5
3.0
Fig.3 Relative Luminous
Intensity VS.
Ambient Temperature
Fig.4 Relative Luminous
Intensity VS.
Forward Current
10 20 30 40 50
1.0
2.0
3.0
0
570 600
0.5
630 660
1.0
750690 720
Ambient Temperature Ta( C)
Fig.5 Forward Current
Forward Current(mA)
0
10
20
4020 60
40
50
Derating Curve VS.
80 100
30
120
Ambient Temperature
(@20mA)
(@20mA)
Relative Luminous Intensity
0.0
佰鴻工業股份有限公司
http://www.brtled.com
