JFET Measurements
As measured by the PEAK DCA75 Pro
Note: JFETs do vary from their specification from sample to sample. On offer here is just a guide, which may be cross-referenced with official datasheets.
(1) OnSemi: J112
N-Channel: J112 JFET
Symmetrical Source/Drain
Vgs(off)=-3.66V at Id=5.2µA
Vgs(on)=-2.73V at Id=5.01mA
gfs=9.8mA/V at Id=3.0mA to 5.0mA
Idss>12.00mA at Vds=0.47V
Rds(on)=24.4Ω at Id=5.0mA and Vgs=0.0V
(2) OnSemi: J113
N-Channel: J113 JFET
Symmetrical Source/Drain
Vgs(off)=-1.82V at Id=5.3µA
Vgs(on)=-1.00V at Id=5.00mA
gfs=11.0mA/V at Id=3.0mA to 5.0mA
Idss>12.00mA at Vds=0.82V
Rds(on)=34.3Ω at Id=5.0mA and Vgs=0.0V
(3) N-Channel: 2N5457 JFET
Symmetrical Source/Drain
Vgs(off)=-0.35V at Id=4.8µA
Vgs(on)=0.17V at Id=5.00mA
gfs=21.9mA/V at Id=3.0mA to 5.0mA
Idss=1.74mA at Vds=3.01V
Rds(on)=27.6Ω at Id=5.0mA and Vgs=0.0V
More JFETs to follow ...


