After the XH series, the pin pitch gets narrower, the wires get thinner, and the connectors are more fragile through PH (2.0 mm), ZH (1.5 mm), GH (1.25 mm), and SH (1.0 mm). Its pitch of 2.5 mm is effectively identical to the 0.1″ pitch commonly found on prototyping breadboards. 3D printer control board with JST XH connection to the stepper motors Then identification becomes a matter of comparing the physical features against datasheets. A quick way to narrow down candidates is to look at their pitch: the distance between pins. When a connector interface two or more wires to a circuit board instead, it might be one of the following series. As hackers, we need some skill at deciphering mystery connectors. We’ll start here with a quick survey of the most popular types from JST.Ī simple two pin wire-to-wire connector is probably the RCY series. We also sometimes choose to ignore “No User Serviceable Parts Inside” and merrily explore guts of equipment to which we have no specifications at all. The reality is: we live in a world full of ambiguous connector specifications. Which JST connector?īattery pack with JST RCY for discharging and JST XH for balance charging. But when it comes to actual hardware specification, that’s not good enough. We can simplify to “JST connector” when chit-chatting about projects. A company whose history goes back to 1957 and their website (styled in 1999) lists hundreds of different types. It is short for Japan Solderless Terminals Manufacturing Company, Ltd. This is the moment we learn “JST” is not a connector specification. Inevitably we find the JST connector from one part fails to fit in the JST connector of another. When reading about cool projects and products, it’s common to see wiring plugs labelled “JST connector.” This looks fine until we start getting hands-on and begin hacking things together.
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