MSQC6940C Fairchild Optoelectronics Group, MSQC6940C Datasheet - Page 4

• Manufacturer Part Number: MSQC6940C
• Description: LED 7-SEG CLOCK 4DIG CC HRED.56"
• Manufacturer: Fairchild Optoelectronics Group
• Series: MSQC6x40Cr

Specifications of MSQC6940C

• Number Of Digits/alpha: 4
• Size / Dimension: 1.50" L x 0.67" W x 0.32" H (38.1mm x 17.1mm x 8mm)
• Digit/alpha Size: 0.56" (14.22mm)
• Display Type: 7-Segment Clock
• Common Pin: Common Cathode
• Color: Red
• Voltage - Forward (vf) Typ: 2V
• Current - Test: 20mA
• Millicandela Rating: 2.2mcd
• Wavelength - Peak: 635nm
• Power Dissipation (max): 70mW
• Package / Case: 36-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2002 Fairchild Semiconductor Corporation
GRAPHICAL DATA Bright Red
2.50
2.25
2.00
1.50
1.25
1.00
0.50
0.25
50
40
30
20
10
35
30
25
20
15
10
0
0
5
0
Fig. 4 Maximum Allowable DC Current per Segment vs.
Fig. 3 Relative Luminous Intensity vs. Forward Current
1.2
-40
0
Fig. 1 Forward Current vs. Forward Voltage
-20
a Function of Ambient Temperature
T
10
A
1.6
Forward Voltage (V
AMBIENT TEMPERATURE °C
I
F
0
- Forward Current - mA
20
20
2.0
High Efficiency Red MSQC6910C, MSQC6940C
40
30
F
) - Volts
(T
A
60
= 25°C, unless otherwise specified)
2.4
40
80
Bright Red MSQC6110C, MSQC6140C
Page 4 of 7
100
2.8
50
14mm (0.56 inch) Four Digit
Green MSQC6410C, MSQC6440C
1000
120
100
500
200
100
1.5
80
60
40
20
75
50
25
10
0
2
1
CLOCK STICK DISPLAY
600
10
1
Fig. 6 Max Peak Current vs. Duty Cycle %
Fig. 5 Luminous Intensity vs. Duty Cycle
3
640
5
Duty Cycle % Per Segment
Fig. 2 Spectral Response
20
(Refresh Rate f=1 KHz)
(Average I
Wavelength (λ)-nm
Duty Cycle %
680
10
F
= 10mA)
40
720
20
50
760
800
DC
100
7/3/02