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actually the truth is the difference between the electrostatic capcitor and electrolytic capacitor is the spelling.. believe it... or not!
electrolytic
ab
if exact replacement capacitors are not available,you should substitute it with a capacitor that has
Only electrolytic capacitors (tantalum capacitors are a type of electrolytic capacitor) are polarized.
0.001 farad = 1000 microfarad
This is a value that is too large for any practical capacitor except an electrolytic, so yes it will be polarized.