HDSP-F157 Avago Technologies US Inc., HDSP-F157 Datasheet - Page 8

• Manufacturer Part Number: HDSP-F157
• Description: DISPLAY 7SEGMENT ALGAAS CA
• Manufacturer: Avago Technologies US Inc.

Specifications of HDSP-F157

• Display Type: 7-Segment
• Common Pin: Common Anode
• Number Of Digits/alpha: +/-1 (overflow)
• Size / Dimension: 0.51" L x 0.39" W x 0.25" H (12.90mm x 9.79mm x 6.36mm)
• Digit/alpha Size: 0.40" (10.16mm)
• Color: Red
• Voltage - Forward (vf) Typ: 1.8V
• Current - Test: 20mA
• Millicandela Rating: 15mcd
• Wavelength - Peak: 645nm
• Power Dissipation (max): 96mW
• Package / Case: 10-DIP (0.300", 7.62mm), 7 Leads
• Number Of Digits: 1
• Illumination Color: Red
• Operating Current: 20 mA
• Luminous Intensity: 15 mcd
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Figure 1. Maximum Tolerable Peak Current vs. Pulse
Duration – AlGaAs Red.
Figure 4. Relative Luminous Intensity vs. DC
Forward Current.
8
AlGaAs Red
Figure 2. Maximum Allowable DC Current vs.
Ambient Temperature.
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
0
AlGaAs RED
I
0
F
– FORWARD CURRENT PER SEGMENT – mA
30
T
A
5
– AMBIENT TEMPERATURE – °C
40
10
50
60
15
70
AlGaAs RED
20
80
R
25
J-A
90
= 770°C/W
100 110
30
35
120
40
Figure 3. Forward Current vs. Forward Voltage.
Figure 5. Relative Efficiency (Luminous Intensity
per Unit Current) vs. Peak Current.
160
140
120
100
80
60
40
20
0
1.4
1.2
1.0
0.8
0.6
0
0.5
0.5
1.0
AlGaAs RED
I
PEAK
V
F
1.0
2.0
– FORWARD VOLTAGE – V
3.0
– PEAK FORWARD CURRENT
PER SEGMENT – mA
1.5
5.0
10.0
2.0
AlGaAs RED
20.0
2.5
30.0
50.0
3.0
100.0
150.0
3.5
4.0
500.0