The MAX319ESA is a precision, single-pole double-throw (SPDT) CMOS analog switch from Analog Devices / Maxim Integrated. It features low on-resistance and fast switching times.
The Vishay Dale DG419DY-T1 is a single-pole, double-throw (SPDT) analog switch. It offers a ±15V analog signal range and 35 Ohm on-resistance in an 8-SOIC package.
The Vishay Dale DG419DY-T1-E3 is a single pole double throw (SPDT) analog switch IC. It offers a ±15V analog signal range and a typical on-resistance of 35 Ohms.