SILICON SMALL SIGNAL N-CHANNEL JFET 2N4393 • High Speed Switching. • Low On Resistance. • Designed For High Reliability and Space Applications. ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated) VDS VGS VGD IG PD Drain – Source Voltage Gate – Source Voltage Gate – Drain Voltage Gate Current Total Power Dissipation at 40V -40V -40V 50mA 300mW 2mW/°C -55 to +175°C -65 to +200°C TA = 25°C Derate Above 25°C TJ Tstg Junction Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Symbols Parameters Test Conditions V(BR)GSS VDS = 0V IG = 1.0µA -40 VDS = 20V ID = 1.0nA -0.5 -3 IDSS Gate – Source Breakdown Voltage Gate – Source Cut-off Voltage Saturation Drain Current VDS = 20V VGS = 0V 5 30 mA IGSS Gate Reverse Current VDS = 0V VGS = -20V -100 pA TA = 150°C -200 nA ID(off) Drain Cut-off Current VGS = -5V 100 pA TA = 150°C 200 nA VDS(on) Drain – Source On Voltage Drain – Source On Resistance VGS = 0V ID = 3mA 0.4 V VGS = 0 ID = 1.0mA 100 Ω VGS(off) (1) RDS(on) Min. Typ. Max. Units V VDS = 20V Semelab Limited reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Website: http://www.semelab-tt.com Document Number 7281 Issue 2 Page 1 of 2 SILICON SMALL SIGNAL N-CHANNEL JFET 2N4393 DYNAMIC CHARACTERISTICS Symbols Parameters Test Conditions Ciss Common – Source Input Capacitance VDS = 20V VGS = 0V Crss Common – Source Reverse Transfer Capacitance f = 1.0MHz VDS = 0V VGS = -5V RDS(on) Drain – Source On Resistance tr Rise Time td(on) Turn-on Delay Time VDD = 10V tf Fall Time VGS = 0V td(off) Turn-off Delay Time (1) Min. Typ. Units 26 pF 5 f = 1.0MHz VGS = 0 f = 1.0KHz Max. ID = 0A 100 Ω 5 15 VGSX = -5V ID(on) = 3mA ns 30 50 Pulse Width ≤ 380us, δ ≤ 2% MECHANICAL DATA Dimensions in mm (inches) 5.84 (0.230) 5.31 (0.209) 12.7 (0.500) min. 5.33 (0.210) 4.32 (0.170) 4.95 (0.195) 4.52 (0.178) 0.48 (0.019) 0.41 (0.016) dia. 2.54 (0.100) Nom. 3 1 2 TO-18 (TO-206AA) METAL PACKAGE Underside View Pin 1 – Source Pin 2 – Drain Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Pin 3 - Gate Website: http://www.semelab-tt.com Document Number 7281 Issue 2 Page 2 of 2