7/2/03
Page 6 of 7
© 2002 Fairchild Semiconductor Corporation
14mm (0.56 inch) Four Digit
MULTIPLEX CLOCK STICK DISPLAY
BRIGHT RED MSQC6112C, MSQC6142C
HIGH EFFICIENCY RED MSQC6912C, MSQC6942C
GREEN MSQC6412C, MSQC6442C
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
