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 = 25C Choppers Commutators Analog Switches Reverse Gate Source Voltage Reverse Gate Drain Voltage Continuous Device Dissipation Continuous Forward Gate Current Power Derating 2N4856A 2N4859A At 25C 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 A, VDS = OV Gate Source Breakdown Voltage 2N4859A, 2N4860A, 2N4861A V(BR)GSS - 30 - 30 - 30 V IG = - 1 A, VDS = OV Gate Reverse Current 2N4856A, 2N4857A, 2N4858A IGSS - 250 - 250 - 250 pA VGS = - 20V, VDS = OV - 500 - 500 - 500 nA VGS = - 20V, VDS = OV - 250 - 250 - 250 pA VGS = - 15V, VDS = OV - 500 nA VGS = - 15V, VDS = OV -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 = OV 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 = OV, ID = ( ) TA = 150C TA = 150C TA = 150C Dynamic Electrical Characteristics Common Source ON Resistance rds(on) 25 40 60 VGS = OV, ID = O A f = 1 kHz Common Source Input Capacitance Ciss 10 10 10 pF VDS = OV, VGS = - 10V f = 1 MHz Common Source Reverse Transfer Capacitance Crss 4 3.5 3.5 pF VDS = OV, 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 = OV ID(ON) = ( ) VGS(OFF) = [ ] (2N4856A, 2N4859A) RL = 464 (2N4857A, 2N4860A) RL = 953 (2N4858A, 2N486A1) RL = 1910 TO18 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