Biomonitoring Sensor with Two Green LEDs & Optical filtered PD

Data Sheet


  • Peak wavelength of LED (λP 525nm (Green))
  • High output, High S/N ratio
  • Optical filtered photo diode
  • Miniature, thin package (3.15 x 4.35 x 0.8mm)
  • Pb free solder re-flowing permitted (260°C, 2 times)
  • Pb free, Halogen free
  • Conformity to RoHS directive

General Description

NJL5311R is the compact surface mount type photo sensor, which is built in Two GREEN LEDs and an optical filtered photo diode that is useful reduce 'Ambient light noise'. NJL5311R is a sensor for pulse rate (heart rate) measurement which shows one of fitness application that targeted the fitness tracker like Smart watch/Band/Bracelet.


  • Pulse rate (Heart rate) of Wearable Devices (Smart watch, Fitness Tracker etc.)
  • Mobile Devices