IRFP240 problem

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Joe Berry

Member
2001-03-15 6:15 pm
USA
The first four digits are the lot code, which I don't know how to decipher, except that multiple devices with the same lot code were fabricated at the same time, possibly from the same wafer.

The last four digits are the date code in YYWW (year year week week) format. For example, the code 9017 indicates that the part was made during the 17th week of 1990.
 
Hi albert.

sorry to reply late
yes i bought them in ShenZhen.
i think may be NOS so the price is cheaper
and the shop just have 75pcs.
 

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