7/17/03
Page 6 of 7
© 2003 Fairchild Semiconductor Corporation
14mm (0.56 inch) Four Digit
CLOCK STICK DISPLAY
Bright Red MSQC6110W, MSQC6140W
High Efficiency Red MSQC6910W, MSQC6940W
Green MSQC6410W, MSQC6440W
GRAPHICAL DATA High Efficiency Red
(T
A
= 25°C, unless otherwise specified)
50
40
30
20
10
0
2.50
2.25
2.00
1.50
1.25
1.00
0.50
0.25
0
35
15
20
25
30
10
5
0
80
100
120
60
40
20
0
1.2 1.6 2.0 2.4 2.8
0 102030 4050
-40 -20 0 20 40 60 80 100
520 560 600 640 680 720
Forward Voltage (V
F
) - Volts
Fig. 1 Forward Current vs. Forward Voltage
I
F
- Forward Current - mA
Fig. 3 Relative Luminous Intensity vs. Forward Current
T
A
Ambient Temperature °C
Fig. 4 Maximum Allowable DC Current per Segment vs.
a Function of Ambient Temperature
10 20 40 DC
Duty Cycle % Per Segment
(Average I
F
= 10mA)
Fig. 5 Luminous Intensity vs. Duty Cycle
1 3 5 10 20 50 100
Duty Cycle %
Fig. 6 Max Peak Current vs. Duty Cycle %
(Refresh Rate f=1 KHz)
Wavelength (λ)-nm
Fig. 2 Spectral Response
Forward Current (I
F
=mA)IDCMAX-Maximum DC Current - mA
500
1000
200
100
50
75
25
10
Peak I
P
- mA
2
1.5
1
Relative Intensity
Relative Output-%
Luminous Intensity Relative
To Value AT = 20mA
