Found 5 alternatives for LM57TSPWQ1 by Rochester Electronics, LLC. Temperature Sensors Thermostats Solid State — 8-TSSOP (0.173", 4.40mm Width).
THERMOSTAT PROG ACT HI/LO 8TSSOP
THERMOSTAT PROG ACT HI/LO 8TSSOP
THERMOSTAT PROG ACT HI/LO 8TSSOP
THERMOSTAT PROG ACT HI/LO 8TSSOP
THERMOSTAT PROG OPEN COL 8TSSOP