Patent ID: 7416353

Claim:
An optical transceiver capable of inserting into or extracting from a cage installed on a host system so as to expose one end portion thereof from a face panel of the host system to receive an optical connector and to provide an electrical plug in the other end thereof to be mated with the host system by a hot-pluggable configuration, the optical transceiver comprising: an optical assembly unit including, an optical receptacle to receive the optical connector therein, and an optical subassembly having a semiconductor device therein to couple optically to an optical fiber secured in the optical connector; and a body unit including, a substrate providing the electrical plug to mate with an electrical connector within the cage of the host system, and mounting an electronic circuit thereon electrically connected to the semiconductor device within the optical subassembly and the electrical plug, a heat conducting plate to be in contact with the electronic circuit, a metal base including first and second portions, the first portion mounting the substrate and the second portion being fitted to the heat conducting plate, and a metal cover for putting the optical subassembly, the substrate, the base and the heat conducting plate therein, wherein the optical subassembly, the substrate, the base and the heat conducting plate are arranged in longitudinal of the optical transceiver, wherein the heat conducting plate is in contact with the cage at a rear end of the optical transceiver to conduct heat generated in the electronic circuit to the cage, and wherein the heat conducting plate is in contact with the electronic circuit via a thermal sheet made of resin with a good thermal conductivity.