2N4391 MECHANICAL DATA Dimensions in mm (inches) JFET SWITCHING N CHANNEL- DEPLETION 5.84 (0.230) 5.31 (0.209) 5.33 (0.210) 4.32 (0.170) 4.95 (0.195) 4.52 (0.178) 12.7 (0.500) min. FEATURES 0.48 (0.019) 0.41 (0.016) dia. • LOW ON RESISTANCE • FAST SWITCHING • MILITARY OPTIONS AVAILABLE 2.54 (0.100) Nom. 3 1 APPLICATIONS: 2 TO–18 METAL PACKAGE • SWITCHING APPLICATIONS Underside View PIN 1 – Source PIN 2 – Drain PIN 3 – Gate (Gate is connected to case) ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated) VDS VDG VGS IGF PD TJ TSTG Semelab plc. Drain–Source Voltage Drain–Gate Voltage Gate–Source Voltage Forward Gate Current Total Device Dissipation @ TC = 25°C Derate above 25°C Operating Junction Temperature Range Storage Temperature Range 40V 40V 40V 50mA 1.8W 10mW/ °C –65 to +175°C –65 to +175°C Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail [email protected] Website http://www.semelab.co.uk Prelim. 11/98 2N4391 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Parameter Test Conditions Min. Typ. Max. Unit OFF CHARACTERISTICS V(BR)GSS IGSS Gate Source Breakdown Voltage1 Gate Reverse Current IG = 1.0µA VDS = 0 VGS = 20V VDS = 0 VGS = 20V VDS = 0 40 TA = 150°C 0.1 nA 0.2 µA 10 V VGS Gate Source Voltage VDS = 20V ID = 1.0nA VGS(f) Gate Source Forward Voltage IG = 1.0mA VDS = 0 1.0 V VGS = 12V VDS = 20V 0.1 nA VGS = 12V VDS = 20V 0.2 µA 150 mA ID(off) Drain Cut-off Current 4.0 V TA = 150°C ON CHARACTERISTICS IDSS Zero Gate voltage Drain Current1 VGS = 0V VDS = 20V VDS(on) Drain Source On–Voltage ID = 12mA VGS = 0 0.4 V rDS(on) Static Drain Source On Resistance ID = 1.0mA VGS = 0 30 Ω VGS = 0V VDS = 20V 50 ELECTRICAL CHARACTERISTICS Ciss Crss Input Capacitance Reverse Transfer Capacitance f = 1.0MHz VGS = 12V VDS = 0V f = 1.0MHz 14 pF 3.5 SMALL SIGNAL CHARACTERISTICS rds(on) Drain–Source “ON” Resistance VGS = 0V ID = 0 f = 1.0kHz 30 Ω SWITCHING CHARACTERISTICS ton Turn–On Time ID(on) = 12mA 15 toff Turn–Off Time VGS(on) = 12V 20 tr RiseTime ID(on) = 12mA 5.0 tf FallTime VGS(off) = 12V 15 ns 1) Pulse test : Pulse Width < 300µs ,Duty Cycle < 2% 2) ft is defined as the frequency at which |hfe| extrapolates to untity. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. e-mail [email protected] Website http://www.semelab.co.uk Prelim. 11/98