“JST” is not a connector specification. It is short for Japan Solderless Terminals Manufacturing Company, Ltd. - hackaday

• JST XH - pitch of 2.5 mm is effectively identical to the 0.1″ pitch commonly found on prototyping breadboards.
• JST PH - 2.0 mm - 2 pin
• JST ZH - 1.5 mm
• JST GH - 1.25 mm

• JST SH - 1.0 mm

• “JST” connector confusion - the real story