Lighting | Imaging | Telecom Pyroelectric Infrared Detectors Dual Element Detectors LHi 874, LHi 878 TO-39 / TO-5 housing Competitive cost version Designed for motion control The LHi 874 and LHi 878 pyroelectric infrared-detector series are the standard dual element design recommended for all variants of motion control.They include a dual element pyro-electric ceramic with FET in source follower connection.
The LHi 874 is available as TO-39, whereas LHi 878 detector is available in TO-5 h
