2N4857

2N4856_09 MICROSEMI

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1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com N-CHANNEL J-FET Equivalent To MIL-PRF-19500/385 T4-LDS-0002 Rev. 2 (090603) Page 1 of 2 DEVICES LEVELS 2N4856 2N4858 2N4860 MQ = JAN Equivalent 2N4857 2N4859 2N4861 MX = JANTX Equivalent MV = JANTXV Equivalent ABSOLUTE MAXIMUM RATINGS (TC = +25°C unless otherwise noted) Parameters / Test Conditions Symbol 2N4856 2N4857 2N4858 2N4859 2N4860 2N4861 Unit Gate-Source Voltage V GS -40 -30 V Drain-Source Voltage V DS 40 30 V Drain-Gate Voltage V DG 40 30 V Gate Current I G 50 mA Power Dissipation TA = +25°C (1) TC = +25°C (2) PT 0.36 1.8 W W Operating Junction & Storage Temperature Range T j, Tstg -65 to + 200 °C (1) Derate linearly 2.06 mW/°C for TA > +25°C. (2) Derate linearly 10.3 mW/°C for TC > +25°C. ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted) Parameters / Test Conditions Symbol Min. Max. Unit Gate-Source Breakdown Voltage VDS = 0, IG = -1.0μA dc 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861 V(BR)GSS -40 -30 Vdc Gate-Source “Off” State Voltage VDS = 15V dc ID = 0.5ηA dc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 VGS(off) -4.0 -2.0 -0.8 -10 -6.0 -4.0 Vdc Gate Reverse Current VDS = 0, VGS = -20V dc VDS = 0, VGS = -15V dc 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861 IGSS -0.25 -0.25 ηA Drain Current Cutoff VGS = -10V dc, VDS = 15V dc ID(off) 0.25 ηA Drain Current Zero Gate Voltage VGS = 0, VDS = 15V dc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 IDSS 50 8.0 175 100 mA Drain-Source “On” State Voltage VGS = 0, ID = 20mA dc VGS = 0, ID = 10mA dc VGS = 0, ID = 5.0mA dc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 VDS(on) 0.75 0.50 0.50 Vdc Static Drain – Source “On” State Resistance VGS = 0, ID = 1.0mA dc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 rds(on) Ω TO-18 (TO-206AA)

1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com N-CHANNEL J-FET Equivalent To MIL-PRF-19500/385 T4-LDS-0002 Rev. 2 (090603) Page 2 of 2 DYNAMIC CHARACTERISTICS Parameters / Test Conditions Symbol Min. Max. Unit Small-Signal, Common Short-Circuit Reverse Transfer Capacitance VGS = -10V dc, VDS = 0, f = 1.0MHz C1 = 0.1μF, L1 = L2 ≥ 500μH Crss 8.0 pF Small-Signal, Common-Source Short-Circuit Input Capacitance VGS = -10V dc, VDS = 0, f = 1.0MHz C1 = 0.1μF, C2 = 20.1µF L1 = L2 ≥ 500μH Ciss 18 pF SWITCHING CHARACTERISTICS Parameters / Test Conditions Symbol Min. Max. Unit Turn-On Delay Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 td(on) ηs Rise Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 tr ηs Turn-Off Delay Time 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861 See Figure 3 of MIL-PRF-19500/385 td(off) 100 ηs