The substitution tag has no wiki summary.
2
votes
4answers
349 views
Can I safely substitute a 4.7uF cap for a 5uF cap?
I'm working on a circuit that calls for a couple 5uF caps. I have 50v and 25v 4.7uF at my workbench. No cap voltage is specified in a schematic or parts list. The circuit has 12VDC coming in, one ...
2
votes
3answers
152 views
What is a secondary transformer?
On a number of projects I'm building, there's a transformer between wall power and device power. In the parts lists, the transformers are usually designated by "12v secondary transformer" or "18v 4a ...
0
votes
3answers
203 views
Can I substitute a mono potentiometer for a stereo one?
I have a PCB for a headphone amp that has a 6-hole pad for a single potentiometer. I've only got 3-pin ones in my box o' parts. Can I substitute the mono pot for the stereo pot, tie the sets of pads ...
12
votes
3answers
212 views
Question about long-term support for legacy board designs
This question is summarized from a discussion on the Electrical Engineering StackExchange chat.
It is reproduced here in hopes to generate a discussion with long-term value
Question for anyone with ...
3
votes
2answers
140 views
How do I determine if I can safely substitute potentiometers?
I've got a number of audio projects on the workbench, and of course, each of them requires different potentiometers. Instead of waiting for another box o' parts to arrive, can I substitute? What are ...
