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How to check compatibility between JST PH plug and socket? Are all connectors from JST with PH in name compatible? What about parts with PH suffixed by additional letter like PHR-2?

For example are B2B-PH-K-S(LF)(SN) and PHR-2 compatible?

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  • \$\begingroup\$ Hint: Read the datasheets for the receptacle AND the crimp housing. \$\endgroup\$
    – DKNguyen
    Commented Sep 26, 2022 at 20:14

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Those appear to be compatible. If the contact housing/plug and header/receptacle both appear on the same datasheet, as these do, it's a pretty safe bet that they are compatible although there are always exceptions. Some manufacturers have tables of which housings are compatible with which headers, sometimes as a separate document. Finally, some vendors will have a "compatible products" list but even that is occasionally wrong.

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