I just got done testing my twenty five 2N3819's IDss last night. I had a reading of 3.8 mA on nineteen of them, 3.79 mA on five, and it fluctuated between the aforementioned values on just one of them. Does this sound right? I thought they were supposed to be all over the place in IDss values.
To test IDss, I set my DMM for mA. Then, I shorted Gate and Source of the FET, and attached the negative side of a 9V battery. The positive 9V side of the battery was hooked to one of my DMM probes. The other probe was hooked to Drain. Let me know if you see any problems with my testing method or results. Thanks.