Datasheet

FOD814 Series, FOD817 Series — 4-Pin High Operating Temperature Phototransistor Optocouplers
©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD814 Series, FOD817 Series Rev. 1.1.5
December 2011
FOD814 Series, FOD817 Series
4-Pin High Operating Temperature
Phototransistor Optocouplers
Features
AC input response (FOD814 only)
Applicable to Pb-free IR reflow soldering
Compact 4-pin package
Current transfer ratio in selected groups:
FOD814: 20–300% FOD817: 50–600%
FOD814A: 50–150% FOD817A: 80–160%
FOD817B: 130–260%
FOD817C: 200–400%
FOD817D: 300–600%
C-UL, UL and VDE approved
High input-output isolation voltage of 5000Vrms
Minimum BV
CEO
of 70V guaranteed
Higher operating temperatures (versus H11AXXX
counterparts)
Applications
FOD814 Series
AC line monitor
Unknown polarity DC sensor
Telephone line interface
FOD817 Series
Power supply regulators
Digital logic inputs
Microprocessor inputs
Description
The FOD814 consists of two gallium arsenide infrared
emitting diodes, connected in inverse parallel, driving a
silicon phototransistor output in a 4-pin dual in-line
package. The FOD817 Series consists of a gallium
arsenide infrared emitting diode driving a silicon
phototransistor in a 4-pin dual in-line package.
Functional Block Diagram
1ANODE, CATHODE
2
4
3CATHODE, ANODE
COLLECTOR
EMITTER
1
2
4
3 EMITTER
COLLECTORANODE
CATHODE
FOD814 FOD817
4
1

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