How could I decode this capacitor? MEXICO is written on the other side and it's in a speaker. enter image description here

  • \$\begingroup\$ Is there any marking on the other side? \$\endgroup\$
    – G36
    Nov 20, 2018 at 17:48
  • \$\begingroup\$ MEXICO, nothing more \$\endgroup\$ Nov 20, 2018 at 18:04
  • 1
    \$\begingroup\$ Are you sure it's a capacitor and not a MOV? \$\endgroup\$
    – DerStrom8
    Nov 20, 2018 at 18:18
  • 1
    \$\begingroup\$ If not a MOV the PTC is also possible. \$\endgroup\$
    – G36
    Nov 20, 2018 at 18:26
  • 5
    \$\begingroup\$ Can you add a schematic of the parts around it? \$\endgroup\$
    – MadHatter
    Nov 20, 2018 at 18:31

1 Answer 1


it is a PPTC (Polymeric Positive Temperature Coefficient) which is a re-settable fuse

the exact parameters we can calculate if we gets its datasheet

since the part number and marking on part will be different.


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