BRIGHT BD

BRIGHT LED ELECTRONICS CORP.
BD-A304ND
SINCE 1981
●
Features :
1.
0.30 inch (7.62mm) Digit Height.
2.
Continuous uniform segments.
3.
Low power requirement.
4.
Excellent characters appearance.
5.
Solid state reliability.
6.
Categorized for luminous intensity.
7.
Direct drive common anode.
●
Package Dimensions :
10
4.00(.157)
15.0(.591)
7.62(.300)
15.50(.610)
1.1(.043)
xxxxx
7.20(.283)
MARK
0.5(.020)
●
1.
Description :
This product use hi-eff red chips, which
are made from GaAsP on GaP substrate.
3.
This product have a black face and
white segments.
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3.0(.118)MIN.
1.7(.070)x7=11.9(.470)
The BD-A304ND is a 7.62mm(0.30")
high dual digit seven segments display.
2.
10.16(.400)
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.
Internal Circuit Diagram :
Ver.1.0 Page 1 of 3
BRIGHT LED ELECTRONICS CORP.
BD-A304ND
SINCE 1981
●
Absolute Maximum Ratings(Ta=25℃)
Parameter
Symbol
Rating
Unit
Power Dissipation Per Segment
Pd
80
mW
Forward Current Per Segment
IF
30
mA
IFP
(Duty 1/10, 1KHZ)
150
mA
VR
5
V
Operating Temperature
Topr
-40℃~80℃
-
Storage Temperature
Tstg
-40℃~85℃
-
Soldering Temperature
(1/16" From Body)
Tsol
260℃ For 5 Seconds
-
Peak Forward Current Per Segment
Reverse Voltage Per Segment
●
Electrical And Optical Characteristics(Ta=25℃)
Parameter
Symbol Condition
Min.
Typ.
Max.
Unit
Forward Voltage Per Segment
Vf
IF=10mA
-
2.1
2.5
V
Luminous Intensity Per Segment
Iv
IF=10mA
-
3.0
-
mcd
Reverse Current Per Segment
IR
VR=5V
-
-
100
µA
Peak Wave Length
λp
IF=10mA
-
640
-
nm
Dominant Wave Length
λd
IF=10mA
626
-
636
nm
Spectral Line Half-width
∆λ
IF=10mA
-
40
-
nm
Ver.1.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
BD-A304ND
SINCE 1981
Typical Electro-Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
Fig.1 Relative Radiant Intensity VS. Wavelength
Relative Radiant Intensity
1.0
0.5
0
560
590
620
Fig.2 Forward Current VS.
Forward Voltage
40
30
20
10
0
650
Wavelength(nm)
Relative Luminous Intensity
(@20mA)
Forward Current (mA)
50
0
1
2
3
4
5
Fig.4 Relative Luminous
Intensity VS.
Forward Current
2.0
1.0
0.0
0
10
20
30
40
Forward Current(mA)
3.0
50
710
740
Fig.3 Relative Luminous
Intensity VS.
Ambient Temperature
2.5
2.0
1.5
1.0
0.5
0
-40
50
Forward Current(mA)
3.0
680
-20
0
20
40
60
Ambient Temperature Ta( C)
Forward Voltage (V)
Relative Luminous Intensity
(@20mA)
●
Fig.5 Forward Current
Derating Curve VS.
Ambient Temperature
40
30
20
10
0
0
20
40
60
80
100 120
Ambient Temperature Ta( C)
Ver.1.0 Page 3 of 3