Hello everyone,
Thanks for all the great suggestions for repair. I failed to mention I have done such a repair before. The document is also very helpful as are some more Youtube videos. However, I was trying to determine if a 33321H or similar would also be sufficient, sometimes they are up for grabs and a pad replacement requires another pad.
From some eBay listings it seems the "Q" stands for DC-8GHz, which means that a 18GHz device should be good (and generally much cheaper than the 'Q' models on eBay).
But first I will take it out and test the pads and open it up.
Thanks again,
Job
PH4AS