Characteristic

Symbol

Min

Typ(1)

Max

Unit

INPUT LED

Forward Voltage (IF

T

)

A

m

0

1

=

A = 25°C

TA = –55°C

TA = 100°C

VF

—

—

—

1.15

1.3

1.05

1.5

—

—

Volts

Reverse Leakage Current (VR = 3 V)

IR

—

—

100

μ

A

Capacitance (V = 0 V, f = 1 MHz)

CJ

—

18

—

pF

OUTPUT TRANSISTOR

Collector–Emitter Dark Current

4N25,26,27

(VCE = 10 V, TA = 25°

8

2

N

4

C

ICEO

—

—

1

1

50

100

nA

(VCE = 10 V, TA = 100°

s

e

ci

v

e

D

ll

A

)

C

ICEO

—

1

—

μ

A

Collector–Base Dark Current (VCB = 10 V)

ICBO

—

0.2

—

nA

Collector–Emitter Breakdown Voltage (IC = 1 mA)

V(BR)CEO

30

45

—

Volts

Collector–Base Breakdown Voltage (IC = 100 μA)

V(BR)CBO

70

100

—

Volts

Emitter–Collector Breakdown Voltage (IE = 100 μA)

V(BR)ECO

7

7.8

—

Volts

DC Current Gain (IC = 2 mA, VCE = 5 V)

hFE

—

500

—

—

Collector–Emitter Capacitance (f = 1 MHz, VCE = 0)

CCE

—

7

—

pF

Collector–Base Capacitance (f = 1 MHz, VCB = 0)

CCB

—

19

—

pF

Emitter–Base Capacitance (f = 1 MHz, VEB = 0)

CEB

—

9

—

pF

COUPLED

Output Collector Current (IF = 10 mA, VCE = 10 V)

4N25,26

4N27,28

IC (CTR)(2)

2 (20)

1 (10)

7 (70)

5 (50)

—

—

mA (%)

Collector–Emitter Saturation Voltage (IC = 2 mA, IF = 50 mA)

VCE(sat)

—

0.15

0.5

Volts

Turn–On Time (IF = 10 mA, VCC = 10 V, RL = 100 Ω)(3)

ton

—

2.8

—

μ

s

Turn–Off Time (IF = 10 mA, VCC = 10 V, RL = 100 Ω)(3)

toff

—

4.5

—

μ

s

Rise Time (IF = 10 mA, VCC = 10 V, RL = 100 Ω)(3)

tr

—

1.2

—

μ

s

Fall Time (IF = 10 mA, VCC = 10 V, RL = 100 Ω)(3)

tf

—

1.3

—

μ

s

Isolation Voltage (f = 60 Hz, t = 1 sec)(4)

VISO

7500

—

—

Vac(pk)

Isolation Resistance (V = 500 V)(4)

RISO

1011

—

—

Ω

Isolation Capacitance (V = 0 V, f = 1 MHz)(4)

CISO

—

0.2

—

pF

1. Always design to the specified minimum/maximum electrical limits (where applicable).

2. Current Transfer Ratio (CTR) = IC/IF x 100%.

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.

4N25 4N26 4N27 4N28