Kindly Note, QingPu is the FIRST manufacturer to produce such kind jack - WQP-WQP518MA (The item No was firstly denominated by QingPu, previous item No was WQP-PJ398SM), if anyone makes same as ours, they must copy from us!
WQP-WQP518MA is an IMPROVED version for WQP-PJ301M-12, same footprint as WQP-PJ301M-12, with MORE RELIABLE BUSHING.
THE SWICH COULD PASS DESTRUCTIVE TEST. Normal life is around 5K cycles, QingPu jack is 15K-20K cycles at least.
The only difference between the old and new is, the former has a semi circle round tab, and the latter has a rectangle tab, but the height of these two tabs are same, that is, still 1mm.
Pls see STEREO version (WQP-WQP419GR) here: www.qingpu-electronics.com/en/products/WQP-PJ366ST-364.html
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