8/19/04

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© 2004 Fairchild Semiconductor Corporation

4-PIN PHOTOTRANSISTOR

OPTOCOUPLERS

FOD817 Series

DESCRIPTION

The FOD817 Series consists of a gallium arsenide infrared

emitting diode driving a silicon phototransistor in a 4-pin dual in-line package.

FEATURES

•

Applicable to Pb-free IR reflow soldering

•

Compact 4-pin package

•

Current transfer ratio in selected groups:

FOD817:

50-600%

FOD817A:

80-160%

FOD817B:

130-260%

FOD817C:

200-400%

FOD817D:

300-600%

•

C-UL, UL and VDE approved

•

High input-output isolation voltage of 5000 Vrms

APPLICATIONS

FOD817 Series

•Power supply regulators

•

Digital logic inputs

•

Microprocessor inputs

Parameter

Symbol

Value

Units

TOTAL DEVICE

Storage Temperature

-55 to +125

°C

Operating Temperature

-30 to +100

°C

Lead Solder Temperature

260 for 10 sec

°C

Total Device Power Dissipation

200

mW

EMITTER

Continuous Forward Current

50

mA

Reverse Voltage

6V

LED Power Dissipation

Derate above 25°C

70

mW

0.93

mW/°C

DETECTOR

Collector-Emitter Voltage

70

V

Emitter-Collector Voltage

6V

Continuous Collector Current

50

mA

Detector Power Dissipation

Derate above 25°C

150

mW

2.0

mW/°C

1

2

4

3 EMITTER

COLLECTOR

ANODE

CATHODE

FUNCTIONAL BLOCK DIAGRAM

4

1