This tester has been in use for 28 years no problem yet. Made out of left overs.
Oct 11, 2018 #1 John1397 179 18 This tester has been in use for 28 years no problem yet. Made out of left overs. Attachments 1011181223a.jpg 79.8 KB · Views: 497
Oct 12, 2018 #4 YoungPhysicist Insights Author 354 201 Really useful when you have a couple thousand transistors with unclear operation status