HDSP-4501 HP [Agilent(Hewlett-Packard)], HDSP-4501 Datasheet - Page 6

• Manufacturer Part Number: HDSP-4501
• Description: Large 5 X 7 Dot Matrix Alphanumeric Displays 17.3/26.5 mm Character Heights
• Manufacturer: HP [Agilent(Hewlett-Packard)]

High Performance Green HDSP-510x Series
Notes:
4. The displays are categorized for luminous intensity with the intensity category designated by a letter on the left hand side of the
5. The dominant wavelength is derived from the C.I.E. Chromaticity diagram and is that single wavelength which defines the color of the
6. Typical specification for reference only. Do not exceed absolute maximum ratings.
7. The displays are categorized for dominant wavelength with the category designated by a number adjacent to the intensity category
Figure 1. Maximum Allowable Average
Current Per Dot as a Function of
Ambient Temperature.
Luminous Intensity/Dot
(Digit Average)
Luminous Intensity/Dot
(Digit Average)
Peak Wavelength
Dominant Wavelength
Forward Voltage
Reverse Voltage
Temperature Coefficient of V
Thermal Resistance LED
Junction-to-Pin per package
package. The luminous intensity minimum and categories are determined by computing the numerical average of the individual dot
intensities.
device.
letter.
50
40
30
20
10
0
HDSP-540x (17.3 mm)
HDSP-510x (26.5 mm)
HDSP-540x
HDSP-510x
HDSP-540x
HDSP-510x
-5
AlGaAs RED
HER/GREEN
T
A
15
– AMBIENT TEMPERATURE – °C
Description
35
R
[6]
J-A
55
= 50°C/W/PACK
[5,7]
[4]
[4]
75
F
95
Symbol
R
Figure 2. Forward Current vs. Forward
Voltage.
V
PEAK
V
V
I
I
140
120
100
F
J-PIN
V
V
80
60
40
20
F
R
d
/ C
0
0
0.5
V
F
50 mA pk: 1 of 5
Duty Factor (10 mA Avg.)
30 mA pk: 1 of 14
Duty Factor (2.1 mA Avg.)
I
I
– FORWARD VOLTAGE – V
F
R
AlGaAs RED
1.0
= 50 mA
= 100 A
Test Conditions
1.5
2.0
HER/GREEN
2.5
3.0
3.5
6
Figure 3. Relative Efficiency
(Luminous Intensity per Unit Dot) vs.
Peak Current per Dot.
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1290 4000
1540 4500
Min.
3.0
0
I
PEAK
20
HER
Typ.
25.0
GREEN
570
630
566
571
-2.0
2.6
– PEAK DOT CURRENT – mA
15
13
40
60
Max.
3.5
AlGaAs RED
80
mV/ C
Units
PACK
100
C/W/
nm
nm
V
V
cd
cd
120