QMA Quick-Lock Receptacle — RF Interconnect for Tight Spaces
The TE Connectivity 1408341-1 is a QMA-series receptacle, female socket, designed for quick snap-on coupling in RF interconnect applications where panel space is limited and a tool-free mate is needed. This is a 50 Ohm connector rated to 6 GHz with an insertion loss of 0.25 dB — suited for telecom base stations, antenna feeds, and test equipment where the QMA interface’s smaller footprint and faster mating beat a standard SMA.
No official successor order code is on record. If a direct form-fit-function replacement exists in the QMA family, it will be documented in a TE product change notice; no such cross-reference is held here.
What Mates with It — Snap-On QMA Interface
This is a panel-mount receptacle with a flange and snap-on fastening. It mates with any standard QMA plug (male) that uses the same snap-on coupling mechanism. The interface is keyed to prevent misalignment. The 100 mating cycle rating means this is not a high-reconnect connector; it is meant for install-and-forget or occasional test-point use.
RF Performance — 50 Ohm, 6 GHz, 0.25 dB Insertion Loss
The 50 Ohm impedance and 6 GHz maximum frequency define the signal path. For a QMA connector, 6 GHz is a practical ceiling for most wireless infrastructure and instrumentation links. The 0.25 dB insertion loss is typical for a snap-on interface at these frequencies — expect the loss to rise near the 6 GHz limit. The 335 V voltage rating is sufficient for RF power levels in the typical QMA deployment (sub-100 W continuous). The PTFE dielectric keeps the dielectric constant stable across the -40°C to 80°C operating range.