6

1

6

1

6

1

DESCRIPTION

The CNX35U, CNX36U CNX38U and CNX39U are optically coupled isola-

tors consisting of an infrared emitting GaAs diode and a silicon NPN photo-

transistor with accessible base. These devices are housed in 6-pin dual-in-

line packages (DIP).

CNX35U CNX36U CNX38U

CNX39U

APPLICATIONS

• Power supply regulators

• Digital logic inputs

• Microprocessor inputs

• Appliance sensor systems

• Industrial controls

FEATURES

• High output/input DC current transfer ratio

• Low saturation voltage

• UL recognized (File # E90700)

• VDE recognized (File # 94766)

-Ordering option ‘300’ (e.g. CNX35U.300)

1

2

6

5 COL

4 EMITTER

BASE

ANODE

CATHODE

3

SCHEMATIC

Parameters

Symbol

Device

Value

Units

TOTAL DEVICE

All

-55 to +150

°C

Storage Temperature

Operating Temperature

All

-40 to +100

°C

Lead Solder Temperature

All

260 for 10 sec

°C

EMITTER

Continuous Reverse Voltage

All

5

V

Continuous Forward Current

All

100

mA

Forward Current - Peak (10 µs pulse,

δ = 0.01)

All

3.0

A

Total Power Dissipation up to 25°C Ambient

All

200

mW

Derate Linearly from 25°C

All

2.0

mW/°C

DETECTOR

CNX38U

80

Collector to Emitter Voltage (open base)

CNX35U,CNX36U,CNX39U

30

V

CNX38U

120

Collector to Base Voltage (open emitter)

CNX35U,CNX36U,CNX39U

70

V

Emitter to Collector Voltage (open base)

All

7

V

DC Collector Current

All

100

mA

Detector Power Dissipation up to 25°C Ambient

All

200

mW

Derate Linearly from 25°C

All

2.0

mW/°C



 2001 Fairchild Semiconductor Corporation

DS300401

5/23/01

1 OF 8

www.fairchildsemi.com

6-PIN PHOTOTRANSISTOR

OPTOCOUPLERS