2N4857

Databook.fxp 1/14/99 11:30 AM Page B-15 01/99 B-15 2N4856, 2N4857, 2N4858, 2N4859, 2N4860, 2N4861 N-Channel Silicon Junction Field-Effect Transistor ¥ Choppers ¥ Commutators ¥ Analog Switches Absolute maximum ratings at TA = 25¡C Reverse Gate Source Voltage Reverse Gate Drain Voltage Continuous Device Dissipation Power Derating Continuous Forward Gate Current 2N4856, 2N4857, 2N4858 – 40 V – 40 V 1.8 W 10 mW/°C 50 mA 2N4859, 2N4860, 2N4861 – 30 V – 30 V 1.8 W 10 mW/°C 50 mA At 25°C free air temperature: Static Electrical Characteristics Gate Source Breakdown Voltage 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861 Gate Reverse Current 2N4856, 2N4857, 2N4858 Gate Reverse Current 2N4859, 2N4860, 2N4861 Gate Source Cutoff Voltage Drain Saturation Current (Pulsed) Drain Cutoff Current Drain Source ON Voltage Dynamic Electrical Characteristics Common Source ON Resistance Common Source Input Capacitance Common Source Reverse Transfer Capacitance Switching Characteristics Turn ON Delay Time td(on) rds(on) Ciss Crss V(BR)GSS 2N4856 2N4859 Min Max – 40 – 30 IGSS IGSS VGS(OFF) IDSS ID(OFF) VDS(ON) –4 50 250 500 0.75 (20) – 250 – 500 – 250 – 500 – 10 2N4857 2N4860 Min Max – 40 – 30 – 250 – 500 – 250 – 500 –2 20 –6 100 250 500 0.5 (10) 2N4858 2N4861 Min Max – 40 – 30 – 250 – 500 – 250 – 500 – 0.8 8 –4 80 250 500 0.5 (5) Unit V V pA nA pA nA V mA pA nA V (mA) Process NJ132 Test Conditions IG = – 1 µA, VDS = ØV IG = – 1 µA, VDS = ØV VGS = – 20V, VDS = ØV VGS = – 20V, VDS = ØV VGS = – 15V, VDS = ØV VGS = – 15V, VDS = ØV VDS = 15V, ID = 0.5 nA VDS = 15V, VGS = ØV VDS = 15V, VGS = – 10V VDS = 15V, VGS = – 10V VGS = ØV, ID = ( ) TA = 150°C TA = 150°C TA = 150°C 25 18 8 40 18 8 60 18 8 Ω pF pF VGS = ØV, ID = Ø A VDS = ØV, VGS = – 10V VDS = ØV, VGS = – 10V f = 1 kHz f = 1 MHz f = 1 MHz 6 (20) [–10] 3 (20) [–10] 25 (20) [–10] 6 (10) [– 6] 4 (10) [– 6] 50 (10) [– 6] 10 (5) [– 4] 10 (5) [– 4] 100 (5) [– 4] ns (mA) [V] ns (mA) [V] ns (mA) [V] VDD = 10V, VGS = ØV ID(ON) = ( ) VGS(OFF) = [ ] Rise Time tr Turn OFF Delay Time td(off) (2N4856, 2N4859) RL = 465 Ω (2N4857, 2N4860) RL = 953 Ω (2N4858, 2N4861) RL = 1910 Ω TOÐ18 Package See Section G for Outline Dimensions Surface Mount SMP4856, SMP4857, SMP4858, SMP4859, SMP4860, SMP4861 Pin Configuration 1 Source, 2 Drain, 3 Gate &Case www.interfet.com 1000 N. Shiloh Road, Garland, TX 75042 (972) 487-1287 FAX (972) 276-3375