PT8A3291
Overview
Dual Voltage (120V/240V) operations Auto temperature control with NTC NTC open protection Multi mode LED indicator Proportional control Pulse trigger for high current SCR/TRIAC (up to 15mA) Internal Zener Auto Heating off after heating timer timeout Low cost 8-Pin DIP and SOIC package The PT8A3290/1/2/3/4/5/6/7 is a mixed signal CMOS LSI chip designed as heating controller with help of external NTC (Negative Temperature Component). NTC open protection is implemented for device safety.
