The MMBFJ309LT1G is a N-Channel Junction Field Effect Transistor (JFET) produced by ON Semiconductor. It is designed for a wide range of general-purpose applications, such as amplifiers and switches, and it is a low cost, low noise device. This device has a drain–source voltage (Vds) of 30V, a drain–source on resistance (Rds on) of 1.8O (max) at Vgs = 0V, and a gate–source voltage (Vgs) (max) of ±30V. It also features fast switching speeds and is RoHS compliant.