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JST RCY connector (2.5 mm pitch, 2 pin): sizes and ratings
What are the JST RCY connector dimensions and ratings? · Standard part · basis: JST RCY catalog page
Also called: jst rcy dimensions, jst rcy pitch, jst syp syr, red jst connector size, jst bec connector
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 9 in table
Notes
- The small red 2-pin connector on many RC receiver packs, LED strips and small LiPo leads: JST RCY, 2.5 mm pitch.
- Only numbers the catalog states in text are listed. The housing drawing's other dimensions are not tied to features in the text available, so housing width / height and a cutout are left out (no file).
JST RCY connector (2.5 mm pitch, 2 pin): sizes and ratings size chart
| dimension | value |
|---|---|
| pitch | 2.5 mm |
| circuits | 2 (receptacle SYR-02T, plug SYP-02T-1) |
| mated length | (23.3) mm, reference value on the assembly drawing |
| wire | AWG 28 to 22 (0.08 to 0.33 mm²) |
| insulation OD | 1.2 to 1.8 mm |
| contacts | SYM-001T-P0.6 (pin), SYF-001T-P0.6 (socket) |
| current | 3 A (AWG 22); 2 A (24); 1 A (26); 0.5 A (28) |
| voltage | 250 V AC/DC |
| temperature | −25 to +85 °C |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| J.S.T. Mfg. (catalog page, via Zaage) | RCY connector catalog page (2.5 mm pitch) | web | Publisher's page; dimensions are facts |
Xem scan
File coming
No downloadable true-size file yet: the published figures do not fix the whole shape, and Xem never guesses a number. A measured scan is planned; request it and it moves up.
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=jst-rcy-connector
Questions
What pitch is a JST RCY connector?
2.5 mm.
How much current can JST RCY carry?
3 A with AWG 22 wire, per JST.

