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Optically-Coupled Isolator
Optoelectronic Products
5-9
FCD 825/A/B/C/O
General Description The FCD825 series of optoisolators have a npn silicon Planar phototransistor and a GaAs diode in close proximity. Optical intercoupling provides a high degree of ac and dc isolation. A capability for continuous operation of the input diode results in a frequency response extending to dc. Connection to the transistor base is also provided for design flexibility.
GlassolatedTII High Current Transfer Ratlo-Typically 80%
1500 V To 6000 V Minimum Isolation
Input-To-Output
n 10" Isolation Resistance
Low Coupling Capacitance-Typically 1.0 pF
Absolute.
FCD825 Datasheet
