The TF2123G-E3-AQ3-R is a Junction Field-Effect Transistor (JFET) in SOT-723 package manufactured by Unisonic Technologies. This JFET is RoHS compliant and features an operating temperature range of -55°C to 150°C. It has an off-state drain to source voltage (Vds(off)) of 15V and a maximum drain current (Id) of 25mA. It has a gate source voltage (Vgs) of 4V and a maximum power dissipation (Pd) of 350mW. This device is suitable for applications such as signal switching, voltage regulation, and low-noise analog signal amplification.