Converter In-Rush Thermistors etc, UPDATE -4
UPDATE on 17 Nov, Update 2 on 22 Nov, Update 3 on 16 Jan 14, Update 4 on 19 Oct 14. --------------- In a recent thread there was mention of how you can wreck your gizmo (in my case a converter) ...
Forum Discussion
Two in parallel will give you redundancy and possibly twice the duration between failures. The failures are not the fault of the thermistor. There's something else going on. There will be more failures.
When in parallel, it doesn't matter if they do not share since each part alone exceeds the current specification of the converter. It's great if they share, but not required.
I'm also leery of using a 5 ohm part when 1 ohm is more than adequate. There could be a timing issue between actual converter turn-on and capacitor in-rush current. The larger resistance makes the timing more critical.
Sal
When in parallel, it doesn't matter if they do not share since each part alone exceeds the current specification of the converter. It's great if they share, but not required.
I'm also leery of using a 5 ohm part when 1 ohm is more than adequate. There could be a timing issue between actual converter turn-on and capacitor in-rush current. The larger resistance makes the timing more critical.
Sal
