2N3771 new original TO-3 seal transistor NPN 30A50V transistor 3771

Please note!!!If that ‘heading' of this listing containing various models is to offer you more choices.Please choose a desirable one & left a messageWhen you check out to specify which modle you'd like!!!! Russian buyers please note:As the Russian postal policy adjustmentsBuyers were required to fill in the full name of the consignee to normal shipping.Please tell me your full name.Otherwise since the name of the cause shipping delays.We are not responsible. As an honest seller.We devote ourselves to offering best products & services.We understand sometimes you may have a problem with your purchaseBut whatever it isPlease trust that we will try out best to make you satisfied.Fair & Objective feedback is very IMPORTANT to our reputation and we'll be highly grateful.If you can contact us before leaving Negative/Neutral feedback.Let's work together to solve the problem at the earliest convenience. Please feel free to drop us a message if have any questions we're  here to he