what does 1N4001 denote of a diode and what does these names stand for?

Question

its like-- tell me the meaning of 1,N,4001 and can you refer me to any digital reference where i can check out the list of such names and meanings

Answer 1

It's just a manufacturer's number.See the link below for info.

Answer 2

I don't know where they came from but 1N is for diodes and 2N is for transistors.

Try emailing the person at this link

http://ourworld.compuserve.com/homepages/Andrew_Wylie/bibliogr.htm

It seems like he would know the answer.