Electrical connector having compliant biasing device

An electrical connector comprising:

• an insulative housing defining a top surface with a plurality contact terminals planted within the housing;
• a frame having an rectangle framework securely attaching to the housing defining sidewalls jointly formed a room for receiving an IC package therein, engaging hollows are defined at an pair of opposite corner of the framework and a chamber at a corner of the framework;
• a compliant biasing device positioned in the said chamber of the corner of framework for positioning the IC package;
• a thermal control element having alignment pins correspond to the engaging hollows, said thermal control element pushing the compliant biasing device sliding in the chamber so the compliant biasing device attaching on the IC package to ensure proper and reliable electrical interconnection therebetween.

An electrical connector assembly for electrical connection to a printed circuit board (PCB), the electrical connector assembly comprising:

• a frame in which an electronic package is received;
• at least one urging device located on a corner of said frame and moveable relative to the frame inwardly or outwardly for Positioning the electronic package;
• a first biasing device constantly pushing the urging device outwardly;
• a second biasing device constantly pushing the urging device outwardly;
• and
• a third biasing device selectively and variably pushing the urging device inwardly.