HDSP-521A Datasheet, PDF (5/6 Pages) Agilent(Hewlett-Packard) – 14.22 mm (0.56 inch) Dual Digit General Purpose Seven Segment Display

Electrical/Optical Characteristics at T_A = 25˚C
AlGaAs Red
Device
HDSP-
521A
523A
Parameter
Symbol
Luminous Intensity/Segment I_V
Forward Voltage
Peak Wavelength
Dominant Wavelength
Reverse Voltage
V_F
λ_PEAK
λ_d
VR
Min.
3.201
5
Typ.
3.66
6.500
1.85
660
643
Max.
2.00
Units
mcd
mcd
V
nm
nm
V
AlGaAs Red
Test Conditions
I_F = 5 mA
I_F = 10 mA
I_F = 20 mA
I_R = 100 µA
16
14
12
10
8
6
4
2
0
0
20
40
60
80 100
T_A – AMBIENT TEMPERATURE – °C
Figure 1. Maximum allowable average or DC
current vs. ambient temperature.
120
100
80
60
40
20
0
0
0.5 1.0 1.5 2.0 2.5
V_F – FORWARD VOLTAGE – V
Figure 2. Forward current vs. forward voltage.
2.5
2.0
1.5
1.0
0.5
0
0
5
10 15
20 25
I_F – FORWARD CURRENT PER SEGMENT – mA
Figure 3. Relative luminous intensity vs. DC
forward current.
5
1.2
1.1
1.0
0.9
0.8
0 5 10 15 20 25 30 35 40 45 50
I_PEAK – PEAK FORWARD CURRENT
PER SEGMENT – mA
Figure 4. Relative efficiency (luminous
intensity per unit current) vs. peak current.