TECHNICAL DATA N-CHANNEL J-FET DEPLETION MODE Qualified per MIL-PRF-19500/375 Devices 2N3821 Qualified Level 2N3822 JANTX JANTXV 2N3823 MAXIMUM RATINGS Parameters / Test Conditions Symbol Gate-Source Voltage Drain-Source Voltage Drain-Gate Voltage Gate Current Power Dissipation TA = +250C (1) Operating Junction & Storage Temperature Range (1) Derate linearly 1.7 mW/0C for TA +25 0 VGSR VDS VDG IGF PT Tj, Tstg 2N3821 2N3822 2N3823 Unit 50 50 50 30 30 30 V V V mA mW 0 C 10 300 -55 to +200 TO-72* (TO-206AF) C. *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted) Parameters / Test Conditions Symbol Gate-Source Breakdown Voltage VDS = 0, IG = 1.0 µAdc Gate Reverse Current VDS = 0, VGS = 30 Vdc VDS = 0, VGS = 20 Vdc Zero-Gate-Voltage Drain Current VGS = 0, VDS = 15 Vdc Gate-Source Voltage VDS = 15 Vdc, ID = 50 µAdc VDS = 15 Vdc, ID = 200 µAdc VDS = 15 Vdc, ID = 400 µAdc Gate-Source Cutoff Voltage VDS = 15 Vdc, ID = 0.5 ηAdc 2N3821, 2N3822 2N3823 V(BR)GSSR 2N3821, 2N3822 2N3823 IGSSR 2N3821 2N3822 2N3823 IDSS 2N3821 2N3822 2N3823 VGS 2N3821 2N3822 2N3823 VGS(off) 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 Min. Max. 50 30 Units Vdc 0.1 0.5 ηA 0.5 2.0 4.0 2.5 10 20 mA 0.5 1.0 1.0 2.0 4.0 7.5 Vdc 4.0 6.0 8.0 Vdc 120101 Page 1 of 2 2N3821, 2N3822, 2N3823 JAN SERIES Parameters / Test Conditions Small-Signal Common Source, Short-Circuit Forward Transfer Admittance VGS = 0, VDS = 15 Vdc, f = 1.0 kHz 2N3821 2N3822 2N3823 Small-Signal Common Source, Short-Circuit Output Admittance VGS = 0, VDS = 15 Vdc, f = 1.0 kHz 2N3821 2N3822 2N3823 Symbol Min. Max. Units |yfs|1 1500 3000 3500 4500 6500 6500 µS 10 20 35 µS 6.0 pF |yos| Small-Signal, Common-Source Short-Circuit Input Capacitance VGS = 0, VDS = 15 Vdc, 100 kHz ≤ f ≤ 1.0 MHz Ciss Small-Signal, Common-Source Reverse Transfer Capacitance VDS = 15 Vdc, VGS = 0, 100 kHz ≤ f ≤ 1.0 MHz 2N3821, 2N3822 2N3823 Small-Signal Common Source, Short-Circuit Forward Transfer Admittance VGS = 0, VDS = 15 Vdc, f = 100 MHz 2N3821 f = 100 MHz 2N3822 f = 200 MHz 2N3823 pF Crss |yfs|2 3.0 2.0 1500 3000 3200 µS Small-Signal, Common-Source Short-Circuit Input Conductance VGS = 0, VDS = 15 Vdc, f = 200 MHz gis 800 µS 2N3823 (only) gos 200 µS 2N3821, 2N3822 2N3821, 2N3822, 2N3823 NF1 5.0 2.0 dB 2N3823 (only) Small-Signal, Common-Source Short-Circuit Output Conductance VGS = 0, VDS = 15 Vdc, f = 200 MHz Common Source Spot Noise Figure VGS = 0, VDS = 15 Vdc, RG = 1MΩ f = 10 Hz f = 1.0 kHz Common Source Spot Noise Figure VGS = 0, VDS = 15 Vdc, RG = 1kΩ f = 105 MHz NF2 2N3823 (only) 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 dB 2.5 120101 Page 2 of 2