TECHNICAL DATA N-CHANNEL J-FET Qualified per MIL-PRF-19500/385 Devices Qualified Level JAN JANTX JANTXV 2N4856 2N4857 2N4858 2N4859 2N4860 2N4861 2N4856UB 2N4857UB 2N4858UB 2N4859UB 2N4860UB 2N4861UB 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 W W 0 C TO-18* (TO-206AA) Surface Mount (UB version) *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted) Parameters / Test Conditions Symbol Gate-Source Breakdown Voltage VDS = 0, IG = 1.0 Adc 2N4856, 2N4857, 2N4858 V(BR)GSS 2N4859, 2N4860, 2N4861 Gate-Source "Off" State Voltage VDS = 15 Vdc, ID = 0.5 Adc 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 A ID(off) 0.25 A 022802 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 Drain Current VGS = 0, VDS = 15 Vdc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 Min. Max. Units 50 20 8.0 175 100 80 mA rds(on) 25 40 60 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 = 0.1F, L1 = L2 500 H Small-Signal, Common-Source Short-Circuit Input Capacitance VGS = -10 Vdc, VDS = 0, f = 1.0 MHz C1 = 0.1F, C2 = 20.1 m FL1 = L2 500 H 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 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 t don See Figure 3 of MIL-PRF- t r 19500/385 t doff 6 6 10 3 4 10 25 50 100 s s s 022802 Page 2 of 2