EXCELITAS TECH  LHI 878  PIR Sensor, Pyroelectric, Dual Element, TO-5, 95 °, LHI 878


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  • Manufacturer:
  • Newark Part No.: 27H0758
  • Manufacturer Part No LHI 878

Product Overview

The LHI 878 is a pyroelectric Dual Element Detector for motion sensing. It has a smaller window. It offers standard TO-5 housings with different window sizes. It is suitable for use with the secure homes to gas detection systems, indoor climate control systems and ear thermometers.
  • Excellent performance
  • Strong reliability
  • Special optical filters for gas sensing
  • 3.3kV/W Minimum responsivity
  • 95° Field of view, horizontal
  • 87° Field of view, vertical


Sensing & Instrumentation

Product Range

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Product Information

  • Sensing Range Max -
  • Beam Angle 95°
  • Response Time -
  • Supply Voltage Min -
  • Supply Voltage Max -
  • Product Range LHI 878
  • SVHC To Be Advised

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This product also features on the following pages and catalog editions:

  •  131/1378
  •  132/1388


Availability:  341

  • 341 in stock for same day shipping
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    More stock available week commencing 6/13/16

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Price: $4.81 $4.81



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500 - 999 $2.69
1000+ $2.61

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I am looking at the LHI878 IR detector. The information in the website is too vague for my needs. What is the optimum wavelength...what is the minimum intensity for it to turn on.
3 years, 11 months ago
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Further details are as follow. However for further details please follow the link ( http://www.perkinelmer.com/PDFs/Downloads/DTS_LHi778_LHi878_PYD1388.pdf )

Responsivity, min. : 3.3kV/W
Responsivity, typ.: 4.2kV/W
Match, max.: 10%
Noise, max.: 50μVpp
Noise, typ.: 20μVpp
Spec. detectivity: 20107 cm*KHz/W
Field of view, horizontal: 95°
Field of view, vertical: 87°
Source voltage: 0.2 - 1.55V
Operating voltage: 2.0 ... 12V
Height: 4.2mm
Optical element location: 3.2 / 0.75mm
Filter size: 4.6 / 3.4mm
3 years, 11 months ago
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