Lighting | Imaging | Telecom p Pyroelectric Infrared Detectors Dual Element Detector LHi 778 Competitive cost version Designed for motion control The LHi 778 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 element with Fet in source follower connection. LHi 778 detector is available in TO-5 housing with standard infrared filter. It provides high responsivity with excellent common mode performance (match) and low noise at steady state and temperature changes. LHi 778 Parameters min Element size R esponsivity 3 300 ma x units condition 2x1 mm2 2 elements 4000 V /W 100°C, 1 Hz Match 1 10 % Noise 20 50 µV pp 25°C , 0,3...10Hz 1,55 V RS =47kW , 25°C 28x10-10 W Ö Hz 1Hz Bw, 100°C, 1 Hz Offset Voltage 0,2 7,5x10-10 NEP 5x10 D* Right for modification reserved / WS /, 27.4.2001 typical 7 Output Impedance 19x10 10 kW 47kW Load Res. 2 15 V RS =47kW , 25°C Operating Temperature -40 85 °C non permanent S torage Temperature -40 85 °C non permanent Operating Voltage 5 cm Ö Hz/W 1Hz Bw, 100°C, 1 Hz 7 Sensing elements 100 R [kV/W] 10 1 (optically) 0,1 0,01 0,1 Frequency Response 1 Bottom view 10 Dimensions in mm f [Hz] Europe: PerkinElmer Optoelectronics GmbH Wenzel Jaksch Str 31 Wiesbaden / Germany Phone +49(0)611 492 0 Fax +49(0)611 492 170 USA: PerkinElmer Optoelectronics 2175 Mission Colledge Blvd Santa Clara, CA 95054 Phone +408 565 0830 Fax +408 565 0703 Asia: PerkinElmer Optoelectronics 47, Ayer Rajah Crescent #06-12 Singapore 139947 Phone +65 775 2022 Fax +65 775 1008 www.perkinelmer.com/opto D A T A S H E E T TO-5 housing