> SST/U401 VGSth matched to within 5mv I can't find that one. Something like this? http://www.nxp.com/documents/data_sheet/PMBFJ620.pdf http://www.digikey.com.au/product-detail/en/PMBFJ620,115/568-2084-1-ND/812946 > On 28/02/2014 11:13 PM, Joe Street wrote: >> Why not look for a monolithic pair? If they are fabricated on the >> same substrate the characteristics should be well matched. I haven't >> looked but surely there must be something off the shelf?