TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com N-CHANNEL J-FET DEPLETION MODE Equivalent to MIL-PRF-19500/375 DEVICES LEVELS 2N3821 2N3822 2N3823 MQ = JAN Equivalent MX = JANTX Equivalent MV = JANTXV Equivalent ABSOLUTE MAXIMUM RATINGS (TC = +25C unless otherwise noted) Symbol 2N3821 2N3822 2N3823 Unit Gate-Source Voltage VGSR 50 30 V Drain-Source Voltage VDS 50 30 V Drain-Gate Voltage VDG 50 30 V Parameters / Test Conditions Gate Current Power Dissipation TA = +25C (1) Operating Junction & Storage Temperature Range IGF 10 mA PT 300 mW Tj, Tstg -55 to + 200 C (1) Derate linearly 1.7mW/C for TA > +25C. TO-72 (TO-206AF) ELECTRICAL CHARACTERISTICS (TA = +25C, unless otherwise noted) Parameters / Test Conditions Gate-Source Breakdown Voltage 2N3821, 2N3822 VDS = 0, IG = 1.0A dc 2N3823 Gate Reverse Current VDS = 0, VGS = 30V dc VDS = 0, VGS = 20V dc 2N3821, 2N3822 2N3823 Zero-Gate-Voltage Drain Current VGS = 0, VDS = 15V dc 2N3821 2N3822 2N3823 Gate-Source Voltage VDS = 15V dc, ID = 50A dc VDS = 15V dc, ID = 200A dc VDS = 15V dc, ID = 400A dc Symbol Min. V(BR)GSSR 50 30 IGSSR Max. Unit Vdc 0.1 0.5 A IDSS 0.5 2.0 4.0 2.5 10 20 mA 2N3821 2N3822 2N3823 VGS 0.5 1.0 1.0 2.0 4.0 7.5 Vdc 2N3821 2N3822 2N3823 VGS(off) 4.0 6.0 8.0 Vdc Gate-Source Cutoff Voltage VDS = 15V dc, ID = 0.5A dc T4-LDS-0005 Rev. 1 (063376) Page 1 of 2 TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com N-CHANNEL J-FET DEPLETION MODE Equivalent to MIL-PRF-19500/375 DYNAMIC CHARACTERISTICS Parameters / Test Conditions Symbol Min. Max. Unit Small-Signal Common Source, Short-Circuit Forward Transfer Admittance VGS = 0, VDS = 15V dc, f = 1.0kHz 2N3821 2N3822 2N3823 |yfs|1 1500 3000 3500 4500 6500 6500 S Small-Signal, Common Source, Short-Circuit Output Admittance VGS = 0, VDS = 15V dc, f = 1.0kHz 2N3821 2N3822 2N3823 |yos| 10 20 35 S Ciss 6.0 pF Crss 3.0 2.0 pF Small-Signal, Common-Source Short-Circuit Input Capacitance VGS = 0V dc, VDS = 15V dc, 100kHz f 1.0MHz Small-Signal, Common-Source Reverse Transfer Capacitance 2N3821, 2N3822 VDS = 15V dc, VGS = 0, 100kHz f 1.0MHz 2N3823 Small-Signal, Common-Source, Short-Circuit Forward Transfer Admittance VGS = 0, VDS = 15V dc, f = 100MHz f = 100MHz f = 200MHz 2N3821 2N3822 2N3823 |yfs|3 1500 3000 3200 S Small-Signal, Common-Source Short-Circuit Input Conductance VGS = 0, VDS = 15V dc, f = 200MHz 2N3823 (only) gis 800 S Small-Signal, Common-Source Short-Circuit Output Conductance VGS = 0, VDS = 15V dc, f = 200MHz 2N3823 (only) gos 200 S Common Source Spot Noise Figure VGS = 0, VDS = 15V dc, RG = 1M f = 10Hz f = 1.0kHz Common Source Spot Noise Figure VGS = 0, VDS = 15V dc, RG = 1k f = 105MHz T4-LDS-0005 Rev. 1 (063376) 2N3821, 2N3822 2N3821, 2N3822, 2N3823 2N3823 (only) NF1 NF2 5.0 2.0 2.5 dB dB Page 2 of 2