MAXIMUM RATINGS
Rating Drain-Source Voltage Drain-Gate Voltage Reverse Gate-Source Voltage Forward Gate Current Total Device Dissipation (a TA = 25°C Derate above 25°C Storage Temperature Range Symbol vDs vdg vgsr IGF PD T stg Value 40 40 40 50 1.8 10 - 65 to + 200 Unit Vdc Vdc Vdc mAdc Watts mW/°C 'C 2N3970 2N3971 2N3972 CASE 22-03, STYLE 4 TO-18 (TO-206AA) JFET SWITCHING —N-CHANNEL DEPLETION ELECTRICAL CHARACTERISTICS
(TA = 25C unless otherwise noted.) Characteristic OFF CHARACTERISTICS Gate-Source Breakdown Voltage G(l = 1.0 /uAdc, Vqs = 0) Gate Reverse Current (Vqs = 20 vdc - V DS = °) Drain Reverse Current (Vdg = 20 Vdc - 'S = °> (V DG = 20 Vdc, Sl = 0, TA = 150°C) Drain Cutoff Current (Vqs = 20 Vdc, Vqs = -12 Vdc) (Vqs = 20 Vdc, Vq S = - 12 Vdc, TA = 150°C) Gate Source Voltage (V D s = 20 Vdc, Iq = 10 nAdc) 2N3970 2N3971 2N3972 ON CHARACTERISTICS Zero-Gate-Voltage Drain Currentd) (V DS = 20 Vdc, Vqs = 0) 2N3970 2N3971 2N3972 Drain-Source O
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