What Is A PAR36 Light Bulb? And What Are Its Applications?

November 29, 2019

par 36 led spotlight bulb 12v

Lets start off by explaining what PAR means exactly......

PAR is an acronym, and actually stands for PARABOLIC ALUMINUM  REFLECTOR 

It is a common type of sealed beam lamp that is used in a very wide variety of applications. These usages include household, industrial, commercial, outdoors, landscaping and transportation unit lighting. 

The PAR36 lamps are just 1 of the many variant of the PAR light bulb family.

The PAR36 lamps are round with a diameter of 4.5" (115mm)


The PAR36 lamp utilize a screw 2 pin rear plug fitting




Believe it or not, PAR36 bulbs started off in the automotive industry in the 1930s and has been around for almost 100 years. It went mainstream after the U.S. made sealed beam headlights mandatory by law for automakers.

PAR36 and PAR46 bulbs are the industry standard light source for aircraft landing (ACL) lights. These airplane landers usually use 28 Volt DC.

Nowadays, PAR36 are mostly used in a 12 Volt DC or AC setting and commonly used for:

  • Landscape lighting
  • Tractor headlights
  • Farm machinery
  • Aircraft lighting
  • Outdoor and stage lighting
  • Pool and fountain lighting
  • Submerged lighting
  • Custom recessed lighting

Suitable for most low voltage systems using power supplies or direct DC systems. PAR36 can be used in both sealed and enclosed fixtures.

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