Planar Monolithics (PMI) Model LM-8D5G10D5G-1W-13DBM-SFM is a low leakage limiter operating over the 8.5 to 10.5 GHz frequency range. This model offers excellent temperature stability with exceptionally low loss.  Package size is 0.9" x 0.38" sq with SMA Male / female connectors.  https://www.pmi-rf.com/product-details/lm-8d5g10d5g-1w-13dbm-sfm