4N25 4N26 4N27 4N28
(1)
ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)
A
(1)
Typ
Characteristic
INPUT LED
Symbol
Min
Max
Unit
V
F
Forward Voltage (I = 10 mA)
T
= 25°C
= –55°C
= 100°C
—
—
—
1.15
1.3
1.05
1.5
—
—
Volts
F
A
T
A
T
A
Reverse Leakage Current (V = 3 V)
R
I
—
—
—
100
µA
R
Capacitance (V = 0 V, f = 1 MHz)
C
18
—
pF
J
OUTPUT TRANSISTOR
Collector–Emitter Dark Current
4N25,26,27
4N28
I
—
—
1
1
50
100
nA
CEO
(V
CE
= 10 V, T = 25°C
A
(V
= 10 V, T = 100°C)
All Devices
I
I
—
—
30
70
7
1
0.2
45
100
7.8
500
7
—
—
—
—
—
—
—
—
—
µA
nA
CE
A
CEO
Collector–Base Dark Current (V
= 10 V)
Collector–Emitter Breakdown Voltage (I = 1 mA)
CB
CBO
V
V
V
Volts
Volts
Volts
—
C
(BR)CEO
(BR)CBO
(BR)ECO
Collector–Base Breakdown Voltage (I = 100 µA)
C
Emitter–Collector Breakdown Voltage (I = 100 µA)
E
DC Current Gain (I = 2 mA, V
CE
= 5 V)
h
C
C
—
—
—
—
C
FE
CE
CB
Collector–Emitter Capacitance (f = 1 MHz, V
= 0)
= 0)
pF
CE
Collector–Base Capacitance (f = 1 MHz, V
CB
19
9
pF
Emitter–Base Capacitance (f = 1 MHz, V
= 0)
C
pF
EB
EB
COUPLED
(2)
I (CTR)
C
Output Collector Current (I = 10 mA, V
CE
= 10 V)
mA (%)
F
4N25,26
4N27,28
2 (20)
1 (10)
7 (70)
5 (50)
—
—
Collector–Emitter Saturation Voltage (I = 2 mA, I = 50 mA)
V
CE(sat)
—
—
0.15
2.8
4.5
1.2
1.3
—
0.5
—
—
—
—
—
—
—
Volts
µs
C
F
(3)
Turn–On Time (I = 10 mA, V
= 10 V, R = 100 Ω)
t
F
CC
L
on
off
(3)
Turn–Off Time (I = 10 mA, V
= 10 V, R = 100 Ω)
t
—
µs
F
CC
L
(3)
Rise Time (I = 10 mA, V
CC
= 10 V, R = 100 Ω)
t
r
—
µs
F
L
(3)
Fall Time (I = 10 mA, V
CC
= 10 V, R = 100 Ω)
t
f
—
µs
F
L
(4)
Isolation Voltage (f = 60 Hz, t = 1 sec)
V
ISO
R
ISO
C
ISO
7500
Vac(pk)
Ω
(4)
11
10
Isolation Resistance (V = 500 V)
Isolation Capacitance (V = 0 V, f = 1 MHz)
—
(4)
—
0.2
pF
1. Always design to the specified minimum/maximum electrical limits (where applicable).
2. Current Transfer Ratio (CTR) = I /I x 100%.
C F
3. For test circuit setup and waveforms, refer to Figure 11.
4. For this test, Pins 1 and 2 are common, and Pins 4, 5 and 6 are common.