The PN4302 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 0.5 to 5.0 mA, Gate Source Voltage -30 V, Forward Transfer Admittance 1.0 mS, Power Dissipation 0.625 W, Operating Temperature -55 to 150 Degree C. Tags: Through Hole. More details for PN4302 can be seen below.