Databook.fxp 1/14/99 12:00 PM Page B-16 B-16 01/99 2N4856A, 2N4857A, 2N4858A, 2N4859A, 2N4860A, 2N4861A N-Channel Silicon Junction Field-Effect Transistor Absolute maximum ratings at TA = 25¡C ¥ Choppers ¥ Commutators ¥ Analog Switches Reverse Gate Source Voltage Reverse Gate Drain Voltage Continuous Device Dissipation Continuous Forward Gate Current Power Derating 2N4856A 2N4859A At 25°C free air temperature: Static Electrical Characteristics Min Max 2N4856A, 2N4857A, 2N4858A – 40 V – 40 V 1.8 W 50 mA 10 mA/°C 2N4857A 2N4860A Min Max 2N4858A 2N4861A Min 2N4859A, 2N4860A, 2N4861A – 30 V – 30 V 1.8 W 50 mA 10 mA/°C Process NJ132 Max Unit Test Conditions Gate Source Breakdown Voltage 2N4856A, 2N4857A, 2N4858A V(BR)GSS – 40 – 40 – 40 V IG = – 1 µA, VDS = ØV Gate Source Breakdown Voltage 2N4859A, 2N4860A, 2N4861A V(BR)GSS – 30 – 30 – 30 V IG = – 1 µA, VDS = ØV Gate Reverse Current 2N4856A, 2N4857A, 2N4858A IGSS – 250 – 250 – 250 pA VGS = – 20V, VDS = ØV – 500 – 500 – 500 nA VGS = – 20V, VDS = ØV – 250 – 250 – 250 pA VGS = – 15V, VDS = ØV – 500 nA VGS = – 15V, VDS = ØV –4 V VDS = 15V, ID = 0.5 nA Gate Reverse Current 2N4859A, 2N4860A, 2N4861A IGSS Gate Source Cutoff Voltage VGS(OFF) –4 Drain Saturation Current (Pulsed) IDSS 50 Drain Cutoff Current ID(OFF) Drain Source ON Voltage VDS(ON) – 500 – 10 – 500 –2 20 –6 – 0.8 100 8 80 mA VDS = 15V, VGS = ØV 250 250 250 pA VDS = 15V, VGS = – 10V 500 500 500 nA VDS = 15V, VGS = – 10V 0.75 (20) 0.5 (10) 0.5 (5) V (mA) VGS = ØV, ID = ( ) TA = 150°C TA = 150°C TA = 150°C Dynamic Electrical Characteristics Common Source ON Resistance rds(on) 25 40 60 Ω VGS = ØV, ID = Ø A f = 1 kHz Common Source Input Capacitance Ciss 10 10 10 pF VDS = ØV, VGS = – 10V f = 1 MHz Common Source Reverse Transfer Capacitance Crss 4 3.5 3.5 pF VDS = ØV, VGS = – 10V f = 1 MHz td(on) 5 (20) [–10] 6 (10) [– 6] 8 (5) [– 4] ns (mA) [V] tr 3 (20) [–10] 4 (10) [– 6] 8 (5) [– 4] ns (mA) [V] 25 (20) [–10] 40 (10) [– 6] 80 (5) [– 4] ns (mA) [V] Switching Characteristics Turn ON Delay Time Rise Time Turn OFF Delay Time td(off) VDD = 10V, VGS = ØV ID(ON) = ( ) VGS(OFF) = [ ] (2N4856A, 2N4859A) RL = 464Ω (2N4857A, 2N4860A) RL = 953Ω (2N4858A, 2N486A1) RL = 1910Ω TOÐ18 Package Surface Mount See Section G for Outline Dimensions SMP4856A, SMP4857A, SMP4858A, SMP4859A, SMP4860A, SMP4861A Pin Configuration 1 Source, 2 Drain, 3 Gate & Case 1000 N. Shiloh Road, Garland, TX 75042 (972) 487-1287 FAX (972) 276-3375 www.interfet.com