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Q&A

Comments on Is there a tool or trick for bending TO220 leads

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Is there a tool or trick for bending TO220 leads

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Small-shop question here. Is there a convenient tool for making the bend shown below, other than a pair of pliers that happens to be just the right size, and is it worth it for qty low 100's?

to220-bent

Not a huge deal, it is an in-house operation so that the offset dimension vs the parallel pcb surface comes out correctly in the assembly. (The transistors are doing double-duty as heaters to prevent a solvent condensation issue, so it's a slightly goofy assembly).

Thanks!

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1 comment thread

General comments (3 comments)
General comments
Nick Alexeev‭ wrote about 3 years ago

Yes, there are specialized hand tools for bending leads. Run some web searches for TO-220 lead forming pliers.

Lundin‭ wrote about 3 years ago

Why would you bend them in the direction of that picture though? Are you using heatsink?

Pete W‭ wrote about 3 years ago · edited about 3 years ago

Thanks! // Yes the surface under the PCB (parallel to it) is functioning as the heat sink. (with clearance hole in pcb for screw)