HDSP7408 Avago Technologies US Inc., HDSP7408 Datasheet - Page 7

• Manufacturer Part Number: HDSP7408
• Manufacturer: Avago Technologies US Inc.
• Type: Moduler

Specifications of HDSP7408

• Package Type: DIP
• Number Of Digits: Overflow
• Product Length (mm): 12.7mm
• Product Height (mm): 6.09mm
• Product Depth (mm): 7.62mm
• Digit Size (in): .3in
• Character Displayed: Numeric
• Emitting Color: Yellow
• Forward Voltage: 2.5V
• Test Current (it): 5mA
• Forward Current: 20mA
• Dominant Wave Length: 586nm
• Power Dissipation: 80mW
• Luminous Intensity: 2740ucd
• Total Thickness: 6.09mm
• Reverse Voltage: 50V
• Mounting: Through Hole
• Operating Temperature Classification: Industrial
• Pin Count: 10
• Configuration: Common Cathode
• Number Of Elements: 5
• Peak Wavelength: 583nm
• Lead Free Status / Rohs Status: Compliant

7
AlGaAs Red
Figure 1. Maximum Allowed Peak Current vs.
Pulse Duration – AlGaAs Red.
Figure 2. Maximum Allowable DC
Current per Segment as a Function of
Ambient Temperature.
Figure 4. Relative Luminous Intensity
vs. DC Forward Current.
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
50
45
40
35
30
25
20
15
10
5
0
20
100
0
10
I
AlGaAs RED
0
F
1
– FORWARD CURRENT PER SEGMENT – mA
1
30
T
A
5
40
– AMBIENT TEMPERATURE – °C
10
50
t
10
P
– PULSE DURATION – µs
60
15
70
20
AlGaAs RED
100
80
R
25
J-A
90 100
= 770°C/W
30
1000
110 120
35
40
10000
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
MAXIMUM
DC OPERATION
DC
Figure 3. Forward Current vs.
Forward Voltage.
Figure 5. Relative Efficiency (Luminous
Intensity per Unit Current) vs. Peak Current.
I
PEAK
160
140
120
100
1.4
1.2
1.0
0.8
0.6
80
60
40
20
0
0.5
0
– PEAK FORWARD CURRENT PER SEGMENT – mA
0.5
V
AlGaAs RED
F
1.0
– FORWARD CURRENT – V
5.0
1.5
2.0
AlGaAs RED
2.5
50.0
3.0
150.0
3.5
4.0