USB micro-B Plug, 5 Contacts
The ZX20-B-5S-UNIT is a USB micro-B plug from the Hirose ZX series. It carries 5 contacts in a single row, rated for USB 2.0 signaling. The plug is a through-hole vertical mount — the solder tails insert into the PCB perpendicular to the board face, which is the standard orientation for a panel-mount or board-edge USB receptacle that accepts a cable from above. Gold contact finish on the mating surfaces supports the 10,000 mating cycle rating, which is well above the typical 1,500–5,000 cycles for a consumer-grade micro-B connector. That cycle life makes this part suited for test equipment, industrial handhelds, or any application where the connector sees frequent connect/disconnect duty.
Electrical and Mechanical Ratings
Rated 1.8 A per contact at 30 VAC — the current is modest but consistent with the USB 2.0 power delivery spec (5 V, 1.8 A max for USB BC 1.2). The steel and stainless shell provides EMI shielding for the differential data pair.