I have about 20 Hyperikon dimmable BR30s that are 4-5 years old and have been excellent. But I bought some cheaper ones for the kitchen more recently and they

I have about 20 Hyperikon dimmable BR30s that are 4-5 years old and have been excellent. But I bought some cheaper ones for the kitchen more recently and they have had a bad failure rate. The older Hyperikons were excellent, the newer ones, not so much.