BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BT-C404ND
●
1.
2.
3.
4.
5.
6.
7.
Features :
0.40 inch (10.20mm) Digit Height.
Continuous uniform segments.
Low power requirement.
Excellent characters appearance.
Solid state reliability.
Categorized for luminous intensity.
Direct drive common cathode.
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Package Dimensions :
8
5.80(.228)
10.20(.402)
15.70(.618)
12.50(.492)
30.20(1.190)
1.3(.051)
7.00(.276)
0.50(.020)
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1.
2.
3.
4.
Description :
The BT-C404ND is a 10.20 mm (0.40")
high three digit seven segments display.
This product use hi-eff red chips, which
are made from GaAsP on GaP substrate.
This product have a black face and
white segments.
This product doesn't contain restriction
substance, comply ROHS standard.
2.54x11=27.94(1.100)
3.00(.118) MIN.
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.
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Internal Circuit Diagram :
4
5
D1
D2
9
D3
D1
D2
F
D3
A
B
G
E
D
C
A
B
C
D
E
F
G
A
B
C
D
E
F
G
A
B
C
D
E
F
G
PIN 1.
23 21 1
3
2 22 24
18 20 8
6
7 19 17
14 13 12 10 11 15 16
Ver.1.0 Page 1 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BT-C404ND
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Absolute Maximum Ratings(Ta=25℃)
Parameter
Power Dissipation Per Segment
Forward Current Per Segment
Peak Forward Current Per Segment
Reverse Voltage Per Segment
Operating Temperature
Storage Temperature
Soldering Temperature
(1/16" From Body)
Symbol
Pd
I
F
I
FP
(Duty 1/10, 1KHZ)
V
R
Topr
Tstg
Tsol
Rating
80
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 Segment
Luminous Intensity Per Segment
Reverse Current Per Segment
Peak Wave Length
Dominant Wave Length
Spectral Line Half-width
Symbol Condition
Vf
Iv
I
R
λp
λd
∆λ
I
F
=10mA
I
F
=10mA
V
R
=5V
I
F
=10mA
I
F
=10mA
I
F
=10mA
Min.
-
-
-
-
626
-
Typ.
1.9
3.0
-
640
-
40
Max.
2.5
-
100
-
636
-
Unit
V
mcd
µA
nm
nm
nm
Ver.1.0 Page 2 of 3
BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BT-C404ND
●
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
560
590
620
Wavelength(nm)
650
680
710
740
Relative Luminous Intensity
(@20mA)
0
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)
0
10
20
30
40
50
0
20
40
60
80
100 120
Forward Current(mA)
Ambient Temperature Ta( C)
Ver.1.0 Page 3 of 3
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