The 2N5248 from New Jersey Semiconductor is a Junction Field Effect Transistor (JFET) with Drain Saturation Current 4 to 20 mA, Gate Source Voltage 30 V, Forward Transfer Admittance 3 to 200 mS, Continous Drain Current 10 nA, Gate Current 1 µA. Tags: Through Hole. More details for 2N5248 can be seen below.