H3 bulb falls into Group 1, and you can use them for any of your lighting needs, as well. They are mainly used as headlights. Each of these lamps has a single filament, which is specifically dedicated for both the main and dipped beam of your headlights.
When you have only one headlight bulb, life becomes much easier for you as a driver as the dual beam bulb produces all the variations of light that you need.
Dimensions of the filament for H3 bulb
These light bulbs utilize halogen, and you can choose to upgrade them to increase the intensity of the bright white light to be useful as either fog lights or standalone headlights. The choice, therefore, is yours.
Whether you want to use these bulbs in projector or reflector headlights is also up to you, as they have the capacity to serve you irrespective of the needs, according to the UN regulations.
H3 Bulb Screen projection requirements
The usual life span of most H3 halogen bulbs is around 1,000 hours, but you can get the service for a longer period if you take proper care of your lamps. The lamps use a PK22s base and their nominal power is 55 watts at 6 volts and 12 volts and 70 watts at 24 volts.
H3 bulb power and output
Halogen h3 bulbs are cheap and easy to produce, and you can use them for any purpose. For that matter, you are able to replace any of burnt-out light bulbs with other options, such as LED and HID h3 bulbs, with ease.