Probe for testing TO220 & D-PAK

thingiverse

Transistor tester "Probe" for fast test TO220 & D-PAK packages. 0. Buy some <a href="https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20180805175012&SearchText=P50-B1+Dia+0.5mm+Length+16.35mm/">Spring Test Probe Pogo</a> (D 0.5-0.6mm Length 16mm). 1. Print all parts. 2. Insert wires (i use some usb cable with 5 wires inside) in handle. 3. Solder wires to 3 neddle and 2 to tact switch. 4. Glue neddles to head (if need heat head to easly inject needles) 5. Combine head and handle.. use glue to secure wire at end of handle and close with cap. 6. Add "Test" button holder and cap to handle. (Glue it together after inserting tact switch). 7. Use your own imagination to make proper connector for your LCR. (You need make external socket for "Test" Button.) 8. Profit! UPDATE 11.08.2018 : - Updated hande with more space for wires inside. - Added tact button "Test". - Adjusted head for more comfortable testing, UPDATE 12.08.2018 : - Again modify "head".. after printing its imposible easy insert neddles.. beacuse structure inside so tiny.. all holes is deformed... Solution - little heat "head" and insert 0.8mm drill bits... then cool it.. and it work. - Added cap for hide wires and make "head" more stable - Added button cap for hide wires. UPDATE 26.08.2018 - Update probe handle with 5mm dia internal cable channel