Maxim Integrated
IC TEMP SWITCH SOT23-5. Board Mount Temperature Sensors 2.7-5.5V uPower Temperature Switch
Texas Instruments
IC RES-PROG TEMP SWITCH SOT23-6. Board Mount Temperature Sensors 1.8V,Resistor-Progr Temp Switch
Texas Instruments
SENSOR HALL ANALOG SOT23-3. Board Mount Hall Effect / Magnetic Sensors High accuracy 3.3 V or 5 V ratiometric bipolar Hall effect sensor family 3-SOT-23 -40 to 125