SILICON SMALL SIGNAL N-CHANNEL JFET 2N4392 * Hermetic TO18 Package. * Low on Resistance * Fast Switching * Screening Options Available. ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated) VDS VGS VGD IG PD Drain - Source Voltage Gate - Source Voltage Gate - Drain Voltage Gate Current Total Power Dissipation at TA = 25C Derate Above 25C TJ Tstg Junction Temperature Range Storage Temperature Range 40V -40V -40V 50mA 300mW 2mW/C -65 to +175C -65 to +175C THERMAL PROPERTIES Symbols Parameters RJA Thermal Resistance, Junction To Ambient Max. Units 500 C/W 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: sales@semelab-tt.com Website: http://www.semelab-tt.com Document Number 3846 Issue 3 Page 1 of 3 SILICON SMALL SIGNAL N-CHANNEL JFET 2N4392 ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise stated) Symbols Parameters Test Conditions V(BR)GSS VDS = 0 IG = 1.0A -40 VDS = 20V ID = 1.0nA -2 -5 IDSS Gate - Source Breakdown Voltage Gate - Source Cut-off Voltage Zero Gate Voltage Drain Current VDS = 20V VGS = 0 25 75 mA IGSS Gate Reverse Current VDS = 0 VGS = -20V -100 pA TA = 150C -200 nA ID(off) Drain Cut-off Current VGS = -7V 100 pA TA = 150C 200 nA VDS(on) Drain - Source On Voltage Drain - Source On Resistance VGS = 0 ID = 6mA 0.4 V VGS = 0 ID = 1.0mA 60 VDS = 20V VGS = 0 f = 1.0MHz VDS = 0 14 VGS = -7V 3.5 ID = 0 60 VGS(off) (1) RDS(on) Min. Typ. Max. Units V VDS = 20V DYNAMIC CHARACTERISTICS Ciss Common - Source Input Capacitance Crss Common - Source Reverse Transfer Capacitance 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 pF f = 1.0MHz VGS = 0 f = 1.0KHz 5 VGSX = -7V ID(on) = 6mA 15 ns 20 35 Notes (1) Pulse Width 380us, 2% Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: sales@semelab-tt.com Website: http://www.semelab-tt.com Document Number 3846 Issue 3 Page 2 of 3 SILICON SMALL SIGNAL N-CHANNEL JFET 2N4392 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: sales@semelab-tt.com Pin 3 - Gate Website: http://www.semelab-tt.com Document Number 3846 Issue 3 Page 3 of 3