Hotenda Technology specially developed Linear IS cross reference search engine.
LOW NOISE LOW DRIFT LOW CAPACITANCE MONOLITHIC DUAL N-CHANNEL JFET
Info source: Linear IS web-site
Single P-channel Jfet Switch
MONOLITHIC DUAL NPN TRANSISTORS
MONOLITHIC DUAL PNP TRANSISTORS
Info source: Sipex web-site
Monolithic Dual Pnp Transistors