4N35, 4N36, 4N37

OPTOCOUPLERS

SOES021C – NOVEMBER 1981 – REVISED APRIL 1998

4

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 4

4

1

0.1

0.04

0.01

10

0.4

1

4

10

40

100

400

1000

COLLECTOR CURRENT

vs

MODULATION FREQUENCY

2

0.2

0.02

fmod – Modulation Frequency – kHz

VCC = 10 V

IB = 0

TA = 25°C

RL = 100 Ω

RL = 1 Ω

RL = 475 Ω

Figure 5

80

60

20

0

0

0.2

0.4

0.6

0.8

1

1.2

100

140

INPUT-DIODE FORWARD

CONDUCTION CHARACTERISTICS

160

1.4

1.6

1.8

2

40

120

VF – Forward Voltage – V

TA = 25°C

TA = 70°C

TA = 25°C

Figure 6

0.04

0.01

0.1

0.1

0.4

1

4

10

40

100

COLLECTOR CURRENT

vs

INPUT-DIODE FORWARD CURRENT

0.4

1

4

10

40

100

IF – Input-Diode Forward Current – mA

VCE = 10 V

IB = 0

TA = 25°C

Figure 7

30

20

10

0

0

2

4

6

8

10

12

40

50

COLLECTOR CURRENT

vs

COLLECTOR-EMITTER VOLTAGE

60

14

16

18

20

VCE – Collector-Emitter Voltage – V

Max Continuous

Power Dissipation

IF = 20 mA

IF = 15 mA

IF = 10 mA

IF = 5 mA

IB = 0

TA = 25°C

See Note A

NOTE A. Pulse operation of input diode is required for operation

beyond limits shown by dotted lines.