Figure 1. Forward Voltage vs. Forward Current
1.4
V
F
- Forward Voltage - V
T
A
= –55°C
T
A
= 25°C
Figure 4. Normalized Non-saturated and Saturated
CTR,
T
A
=70°C vs. LED Current
1.5
NCTR - Normalized CTR
Normalized to:
Vce=10 V, I
F
=10 mA, T
A
=25°C
CTRce(sat) Vce=0.4 V
1.3
1.2
1.1
1.0
0.9
0.8
0.7
.1
1.0
T
A
=70°C
T
A
= 85°C
0.5
NCTR(SAT)
NCTR
0.0
1
10
I
F
- Forward Current - mA
100
.1
1
10
I
F
- LED Current - mA
100
Figure 2. Normalized Non-saturated and Saturated
CTR,
T
A
=25°C vs. LED Current
1.5
Normalized to:
Vce=10 V, I
F
=10 mA, T
A
=25°C
CTRce(sat) Vce=0.4 V
Figure 5. Normalized Non-saturated and Saturated
CTR,
T
A
=85°C vs. LED Current
1.5
NCTR - Normalized CTR
Normalized to:
Vce=10 V, I
F
=10 mA, T
A
=25°C
CTRce(sat) Vce = 0.4 V
NCTR - Normlized CTR
1.0
T
A
=25°C
1.0
T
A
=85°C
0.5
NCTR(SAT)
NCTR
0.5
NCTR(SAT)
NCTR
0.0
0
1
10
I
F
- LED Current - mA
100
0.0
.1
1
10
I
F
- LED Current - mA
100
Figure 3. Normalized Non-saturated and Saturated
CTR,
T
A
=50°C vs. LED Current
1.5
NCTR - Normalized CTR
Normalized to:
Vce=10 V, I
F
=10 mA, T
A
=25°C
CTRce(sat) Vce=0.4 V
Figure 6. Collector-emitter Current vs. Temperature
and LED Current
35
Ice - Collector Current - mA
30
25
20
15
10
5
0
0
10
20
30
40
50
60
70°C
25°C
85°C
50°C
1.0
T
A
=50°C
0.5
NCTR(SAT)
NCTR
0.0
.1
1
10
I
F
- LED Current - mA
100
I
F
- LED Current - mA
Document Number: 83717
Revision 17-August-01
www.vishay.com
2–57
VISHAY [ VISHAY TELEFUNKEN ]
