They are simple and reliable. Pretty much every SMPS made has at least one. Your PC, your TV, etc.
On Fri, 23 May 2025 05:17:39 -0700
"Jim VE7RF via groups.io" <jim.thom@...> wrote:
Or a NTC surge limiter in the AC mains side of the power supply.
That would work too...... but they have to be sized correctly.? ?They run hot, and have to stay hot.? ?IE:? no forced air on them, or their resistance will increase.
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73
-Jim
NU0C
Jim Shorney