Product review (1 stars): It has been less then 5 months since I got ...
It has been less then 5 months since I got these bulbs and they are burnt out.  As you can guess they are rarely used.  I use my oven perhaps 4 to 6 times a month.  Each time I use my oven I open it (when the bulb goes on) twice for a few seconds to put item in oven then take it out of oven.