2N3821 MICROSEMI

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N-CHANNEL J-FET DEPLETION MODE Qualified per MIL-PRF-19500/375 Devices Qualified Level 2N3821 2N3822 2N3823 JANTX JANTXV MAXIMUM RATINGS Parameters / Test Conditions Symbol 2N3821 2N3822 2N3823 Unit Gate - Source Voltage V GSR 50 30 V Drain - Source Voltage V DS 50 30 V Drain - Gate Voltage V DG 50 30 V Gate Current IGF 10 mA Power Dissipation T A = +25 0 C (1) P T 300 mW Operating Junction & Storage Temperature Range T j, T stg - 55 to +200 0 C (1) Derate linearly 1.7 mW/ 0 C for T A +25 0 C. TO - 72* (TO - 206AF) *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted) Parameters / Test Conditions Symbol Min. Max. Units Gate - Source Breakdown Voltage V DS = 0, I G = 1.0 µAdc 2N3821, 2N3822 2N3823 V (BR)GSSR Vdc Gate Reverse Current V DS = 0, V GS = 30 Vdc 2N3821, 2N3822 V DS = 0, V GS = 20 Vdc 2N3823 IGSSR 0.1 0.5 ηA Zero - Gate - Voltage Drain Current V GS = 0, V DS = 15 Vdc 2N3821 2N3822 2N3823 IDSS 0.5 2.0 4 .0 2.5 mA Gate - Source Voltage V DS = 15 Vdc, I D = 50 µAdc 2N3821 V DS = 15 Vdc, I D = 200 µAdc 2N3822 V DS = 15 Vdc, I D = 400 µAdc 2N3823 V GS 0.5 1.0 1.0 2.0 4.0 7.5 Vdc Gate - Source Cutoff Voltage V DS = 15 Vdc, I D = 0.5 ηAdc 2N3 821 2N3822 2N3823 V GS(off) 4.0 6.0 8.0 Vdc

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2N3821, 2N3822, 2N3823 JAN SERIES Parameters / Test Conditions Symbol Min. Max. Units Small - Signal Common Source, Short - Circuit Forward Transfer Admittance V GS = 0, V DS = 15 Vdc, f = 1.0 kHz 2N3821 2N3822 2N3823 |y fs |1 1500 3000 3500 4500 6500 6500 µS Small - Signal Common Source, Short - Circuit Output Admittance V GS = 0, V DS = 15 Vdc, f = 1.0 kHz 2N3821 2N3822 2N3823 |y os | µS Small - Signal, Common - Source Short - Circuit Input Capacitance V GS = 0, V DS = 15 Vdc, 100 kHz ≤ f ≤ 1.0 MHz C iss 6.0 pF Small - Signal , Common - Source Reverse Transfer Capacitance V DS = 15 Vdc, V GS = 0, 100 kHz ≤ f ≤ 1.0 MHz 2N3821, 2N3822 2N3823 C rss 3.0 2.0 pF Small - Signal Common Source, Short - Circuit Forward Transfer Admittance V GS = 0, V DS = 15 Vdc, f = 100 MHz 2N382 1 f = 100 MHz 2N3822 f = 200 MHz 2N3823 |y fs |2 1500 3000 3200 µS Small - Signal, Common - Source Short - Circuit Input Conductance V GS = 0, V DS = 15 Vdc, f = 200 MHz 2N3823 (only) g is 800 µS Small - Signal, Common - Source Short - Circuit Output C onductance V GS = 0, V DS = 15 Vdc, f = 200 MHz 2N3823 (only) g os 200 µS Common Source Spot Noise Figure V GS = 0, V DS = 15 Vdc, R G = 1M Ω f = 10 Hz 2N3821, 2N3822 f = 1.0 kHz 2N3821, 2N3822, 2N3823 NF 1 5.0 2.0 dB Common Source Spot N oise Figure V GS = 0, V DS = 15 Vdc, R G = 1k Ω f = 105 MHz 2N3823 (only) NF 2 2.5 dB 1 - 800 - 446 - 1158 / (978) 794 - 1666 / Fax: (978) 689 - 0803 120101 Page 2 of 2