The sets are panelized, so they will need to be manually broken apart and tabs removed before use. I would say you have a scaling problem and a slightly different FET model. You’ll have to solder in the legs yourself (pro tip: clipped leads from resistors or diodes work great)-but we got you most of the way there! the 2n5457 model has the same specifications as the ones I have found elsewhere but thank you. Lets dive into what it is and how to use it. Today, I am going to uncover the details to 2n5457.You don’t need to go anywhere and you can find all informations here. They also have a blank white screenprint on the reverse side so that you can write in the Vgs(off) value, for example if you need to match them for a specific application. 2N5457 is an N Channel JFET (Junction Field Effect Transistor). Nearly all of them are within the Vgs(off) range of -1.0V to -1.5V (average: 1.21V) and will perform exactly the same as the through-hole 2N5457. These are genuine MMBF5457 (SMD equivalent) parts from ON Semiconductor that have been pre-soldered onto an adapter so they can be used in through-hole layouts. However, it’s been discontinued for awhile in through-hole format. It’s a cross-reference for nearly everything. It works great for buffers and clean boosts, yet its Vgs(off) value is low enough that it can also be overdriven easily, particularly in a mu-amp configuration such as Jack Orman’s Mini Booster. The 2N5457 is perhaps the most commonly-used general purpose JFET for audio.
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