it is fake or real transiator?

i have bought this transiator in many quantity ,, i just want to know if this is real or fake

thank you very much for who had answer my question!

fac06-07-2023 8:21pm

fac OP Details Discussions Posts This discussion Message User 120 posts 06-08-2023 at 07:47pm Copy Comment URL Report Comment Edit Delete @terry9 thanks! i conclude transistor have to buougt first and then try with spec ,,, is there any way to detect without buy first?
fac OP Details Discussions Posts This discussion Message User 120 posts 06-07-2023 at 10:38pm Copy Comment URL Report Comment Edit Delete because not too pricey , and i very newbie for this
fac OP Details Discussions Posts This discussion Message User 120 posts 06-08-2023 at 02:06am Copy Comment URL Report Comment Edit Delete @gs5566 including all manufacturer ,, that is imposibble ??????
fac OP Details Discussions Posts This discussion Message User 120 posts 06-15-2023 at 05:03am Copy Comment URL Report Comment Edit Delete oh yes , but it cost about an half from average person sell it ,, so i cant stand to buy it ,,, i just wondering if any rare jfet could be faked to and hard to detect ,, amyway thank you all for answer this yhread