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