This part is a kind of semiconductor called KF347.

Function of this product has Quad Operational Amplifier (JFET).

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

www.fairchildsemi.com KF347 Quad Operational Amplifier (JFET) Features • • • • Low input bias current High input impedance Wide gain bandwidth: 4 MHz Typ. High slew rate: 13 V/µs Typ. Description The KF347 is a high speed quad JFET input operational amplifier. This feature high input impedance, wide bandwidth, high slew rate, and low input offset voltage and bias current. The KF347 may be used in circuits requiring high input impedance. High slew rate and wide bandwidth, low input bias current. 14-DIP 1 Internal Block Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation KF347 Schematic Diagram (One Section Only) Absolute Maximum Ratings Parameter Supply Voltage Differential Input Voltage Input Voltage Range Output Short Circuit Duration Power Dissipation Operatin [ ... ]

KF347 PDF Datasheet Download