MSQC4911C Fairchild Optoelectronics Group, MSQC4911C Datasheet - Page 5

• Manufacturer Part Number: MSQC4911C
• Description: LED 7-SEG CLOCK 4DIG CA HRED .4"
• Manufacturer: Fairchild Optoelectronics Group
• Series: MSQC4x11Cr

Specifications of MSQC4911C

• Number Of Digits/alpha: 4
• Size / Dimension: 1.58" L x 0.50" W x 0.28" H (40.2mm x 12.8mm x 7mm)
• Digit/alpha Size: 0.40" (10.16mm)
• Display Type: 7-Segment Clock
• Common Pin: Common Anode
• Color: Red
• Voltage - Forward (vf) Typ: 2V
• Current - Test: 20mA
• Millicandela Rating: 2mcd
• Wavelength - Peak: 635nm
• Power Dissipation (max): 70mW
• Package / Case: 16-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2002 Fairchild Semiconductor Corporation
GRAPHICAL DATA Green
Fig. 1 FORWARD CURRENT VS. FORWARD VOLTAGE
Fig. 4 MAXIMUM ALLOWABLE DC CURRENT PER
2.25
1.25
0.25
Fig. 3 RELATIVE LUMINOUS INTENSITY
2.5
2.0
1.5
1.0
0.5
35
30
25
20
15
10
50
40
30
20
10
5
0
0
SEGMENT VS. A FUNCTION OF AMBIENT
0
FORWARD VOLTAGE (V
-40 -20
1.2
0
I
F
T
- FORWARD CURRENT - mA
VS. FORWARD CURRENT
A
10
- AMBIENT TEMPERATURE °C
1.6
0
TEMPERATURE
20
2.0
20
30
40
2.4
(T
F
40
) - VOLTS
A
60
= 25°C, unless otherwise specified)
2.8
50
80 100
Page 5 of 7
0.4 inch (10.2mm) 4 Digit
CLOCK STICK DISPLAY
High Efficiency MSQC4911C
Fig. 5 LUMINOUS INTENSITY VS. DUTY CYCLE
Fig. 6 MAX PEAK CURRENT VS. DUTY CYCLE %
1000
500
200
100
120
100
1.5
75
50
25
10
80
60
40
20
2
1
0
520
10
1
Bright Red MSQC4111C
DUTY CYCLE % PER SEGMENT
3 5
(REFRESH RATE f = 1 KHz)
(AVERAGE I
560
Fig. 2 SPECTRAL RESPONSE
20
DUTY CYCLE %
WAVELENGTH (λ) - nm
Green MSQC4411C
10
600
40
F
20 50
= 10mA)
640
680
100
DC
720
7/22/02