BRIGHT BT

BRIGHT LED ELECTRONICS CORP.
BT-A51DRD
SINCE 1981
●
Features :
1.
0.56 inch (14.20mm) 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
●
1.
●
Package Dimensions :
Description :
The BT-A51DRD is a 14.20 mm (0.56")
high three digit seven segments display.
2.
This product use super red chips, which
are made from GaAlAs on GaAs
substrate.
3.
This product have a black face and
white segments.
4.
●
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.
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
Ver.1.0 Page 1 of 3
BRIGHT LED ELECTRONICS CORP.
BT-A51DRD
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
-
1.7
2.5
V
Luminous Intensity Per Segment
Iv
IF=10mA
-
7.0
-
mcd
Reverse Current Per Segment
IR
VR=5V
-
-
100
µA
佰鴻工業股份有限公司
http://www.brtled.com
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
Ver.1.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
BT-A51DRD
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
570
600
630
Fig.2 Forward Current VS.
Forward Voltage
40
30
20
10
0
660
Wavelength(nm)
Relative Luminous Intensity
(@20mA)
Forward Current (mA)
50
1
2
3
4
5
3.0
690
3.0
720
750
Fig.3 Relative Luminous
Intensity VS.
Ambient Temperature
2.5
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
Ambient Temperature Ta( C)
Forward Voltage (V)
Fig.4 Relative Luminous
Intensity VS.
Forward Current
50
Fig.5 Forward Current
Derating Curve VS.
Ambient Temperature
佰鴻工業股份有限公司
http://www.brtled.com
Forward Current(mA)
Relative Luminous Intensity
(@20mA)
●
2.0
1.0
0.0
10
20
30
40
Forward Current(mA)
50
40
30
20
10
0
20
40
60
80
100 120
Ambient Temperature Ta( C)
Ver.1.0 Page 3 of 3