U.FL / IPEX RF Connectors from China: Sourcing Reference
1 resources tagged with "Ipex"
U.FL (also branded IPEX) is the miniature board-to-cable RF connector used to bring an external antenna onto compact Wi-Fi, BLE, and LoRa modules, alongside SMA, RP-SMA, MMCX, BNC, and N-type in the wider RF connector family. From Chinese suppliers the recurring issues are out-of-spec VSWR, thin or skipped gold plating on the center pin, and RP-SMA/SMA polarity mix-ups that look identical until they fail to mate. We check VSWR, plating, and polarity against the datasheet before parts reach assembly.
U.FL/IPEX is a small snap-on coax connector rated for limited mating cycles (often around 30), used inside devices rather than on the user-facing panel. The pitfall is repeated mating snapping the connector or degrading return loss, so we treat U.FL as assembly-once and verify VSWR on samples.
Wiki (1)
FAQ
How many times can a U.FL/IPEX connector be mated?
U.FL is rated for a low number of mating cycles, commonly around 30, after which contact reliability drops. Design it as an internal assembly connection, not a part users plug and unplug repeatedly.
What goes wrong with RF connectors sourced from China?
The frequent problems are VSWR/return loss out of spec, insufficient gold plating on contacts, and RP-SMA vs SMA polarity confusion. Specify the exact part, plating thickness, and frequency range, and verify VSWR on incoming samples.
Related Topics
Have a sourcing project in mind?
Tell us what you need. We respond within 24 hours, including weekends.