This is a steady state infrared emitter for the mid IR spectrum that operates at up to 950° Centigrade in an industry standard TO-8 package. A sapphire window provides spectral transmission to over 5 microns.

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Key Features

  • Kanthal filament with emissivity of 0.7
  • Sapphire window
  • Internal gold plated parabolic reflector
  • Industry standard TO-8 package
  • Inert gas backfill

Electrical Specifications

  • Peak voltage = 3.0 Volts DC maximum
  • Peak current = 1.48 Amps
  • Peak power = 4.4 Watts

The data sheet for the EK-5821 is available in pdf format:

EK-5821 data sheet