TECHNICAL DATA N-CHANNEL J-FET Qualified per MIL-PRF-19500/385 Devices 2N4856 Qualified Level 2N4857 2N4858 2N4859 2N4860 JAN JANTX JANTXV 2N4861 ABSOLUTE MAXIMUM RATINGS (TC = +250C unless otherwise noted) 2N4856 2N4859 Parameters / Test Conditions Symbol 2N4857 2N4860 2N4858 2N4861 Gate-Source Voltage VGS -40 -30 Drain-Source Voltage VDS 40 30 Drain-Gate Voltage VDG 40 30 Gate Current IG 50 Power Dissipation TA = +250C (1) PT 0.36 TC = +250C (2) 1.8 Operating Junction & Storage Temperature Range Tj, Tstg -65 to +200 (1) Derate linearly 2.06 mW/0C for TA > 250C. (2) Derate linearly 10.3 mW/0C for TC > 250C. Unit V V V mA TO-18* (TO-206AA) W W 0 C *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted) Parameters / Test Conditions Symbol Gate-Source Breakdown Voltage V(BR)GSS VDS = 0, IG = 1.0 µAdc 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861 Gate-Source “Off” State Voltage VDS = 15 Vdc, ID = 0.5 ηAdc Gate Reverse Current VDS = 0, VGS = -20 Vdc VDS = 0, VGS = -15 Vdc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861 Drain Current VGS = -10 Vds, VDS = 15 Vdc 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 VGS(on) Min. Max. -40 -30 -4.0 -2.0 -0.8 Units Vdc -10 -6.0 -4.0 Vdc IGSS -0.25 -0.25 ηA ID(off) 0.25 ηA 120101 Page 1 of 2 2N4856, 2N4857, 2N4858, 2N4859, 2N4860, 2N24861 JAN SERIES ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted) (con’t) Parameters / Test Conditions Symbol Min. Drain Current VGS = 0, VDS = 15 Vdc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 Max. Units 175 100 80 mA rds(on) 25 40 60 Ω VDS(on) 0.75 0.50 0.50 Vdc Crss 8.0 pF Ciss 18 pF IDSS Static Drain - Source “On” State Resistance VGS = 0, ID = 1.0 mAdc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 Drain-Source “On” State Voltage VGS = 0, ID = 20 mAdc 2N4856, 2N4859 VGS = 0, ID = 10 mAdc 2N4857, 2N4860 VGS = 0, ID = 5.0 mAdc 2N4858, 2N4861 Small-Signal, Common-Source Reverse Transfer Capacitance VGS = -10 Vdc, VDS = 0, f = 1.0 MHz C1 = 0.1µF, L1 = L2 ≥ 500 µH 50 20 8.0 Small-Signal, Common-Source Short-Circuit Input Capacitance VGS = -10 Vdc, VDS = 0, f = 1.0 MHz C1 = 0.1µF, C2 = 20.1 m FL1 = L2 ≥ 500 µH Turn-On Delay Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 Rise Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 Turn-Off Delay Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 t don See Figure 3 of MIL-PRF- t r 19500/385 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 t doff 6 6 10 3 4 10 25 50 100 ηs ηs ηs 120101 Page 2 of 2