1.2
–50
1.0
0.8
0.6
0.4
0.2
0
–25 0 25 50 75 100
450
400
350
300
250
200
150
100
50
0
0.05 0.1 0.5
1 5 10 50
50
10
1
0.1
10 k
5 k
1 k
5001005010
1 000
100
10
1
100 k50 k10 k5 k1 k500100
0
–5
–10
–15
–20
0.5 1 2 5 10 20 50 100 200 500
I
C
= 2 mA,
V
CC
= 10 V,
CTR = 290 %
t
f
t
r
t
d
t
s
I
F
= 5 mA,
V
CC
= 5 V,
CTR = 290 %
t
s
t
d
t
r
t
f
I
F
= 5 mA,
V
CE
= 5 V
100 Ω
300 Ω
R
L
= 1 kΩ
I
F
= 5 mA
T
A
= 25 ˚C
I
F
= 5 mA
T
A
= 60 ˚C
1.2
1.0
0.8
0.6
0.4
0.2
0
10
2
10
3
10
4
10
5
Normalized to 1.0
at T
A
= 25 ˚C,
I
F
= 5 mA, V
CE
= 5 V
Forward Current I
F
(mA)
Ambient Temperature T
A
(˚C)
Load Resistance R
L
(Ω)
Frequency f (kHz)
Normalized Current Transfer Ratio CTR
Current Transfer Ratio CTR (%)
Normalized Gain G
V
Load Resistance R
L
(Ω)
Switching Time t ( s)
µ
NORMALIZED CURRENT TRANSFER
RATIO vs. AMBIENT TEMPERATURE
CURRENT TRANSFER RATIO vs.
FORWARD CURRENT
SWITCHING TIME vs.
LOAD RESISTANCE
SWITCHING TIME vs.
LOAD RESISTANCE
FREQUENCY RESPONSE LONG TERM CTR DEGRADATION
Switching Time t ( s)
µ
TYP.
Time (Hr)
CTR (Relative Value)
Sample A
B
C
V
CE
= 5 V
Remark The graphs indicate nominal characteristics.
Data Sheet PN10234EJ02V0DS
13
PS2561-1,-2,-4,PS2561L-1,-2,-4,PS2561L1-1,-2,-4,PS2561L2-1,-2,-4
