SMA Jack for Board-Edge RF — 50 Ohm, 26.5 GHz
The 901-10513-2: The threaded coupling gives a repeatable mate, and the 500 mating cycle rating tells you the gold-over-nickel centre contact and the stainless interface hold up to field reconnects without degrading return loss.
What the 26.5 GHz and 500 Cycles Mean for Your Fit
The 26.5 GHz upper frequency is the headline spec for an RF engineer — it means the connector's internal geometry and dielectric support a clean signal up through K band without a resonance dip. For a procurement or harness designer, the 500 mating cycles are the practical number: the threaded nut and the gold-plated centre contact let you reconnect this jack dozens of times a week in a test rack without the centre pin wear that kills a lower-cycle SMA. The 170 V rating is the voltage standoff; it's not the limiting factor in a 50 Ohm RF path, but it confirms the dielectric can handle a DC bias on the centre conductor if your circuit carries one.