U441

matched dual n-channel JFETs designed for VHF/UHF Amplifiers H Siliconix, Performance CUr1fes NZF-D See Sedion 4 BENEFITS High Gain 9fs = 4500 Ilmho Minimum Dual Version of J300 with Matched Gate-to-Source Voltage ABSOLUTE MAXIMUM RATINGS (25°C) TO-71 See Section 6 5, 02 ,a 0 0] 6 0 G1 021 7 oa , 5, G2 BottomViaw TO-78 See Section 6 5, C 405 02 ]0 06 G, 0 0 G2 20 ' 0, ,0 5, BottomViaw Gate-To-Gate Voltage ....................... ±50 V Gate-Drain or Gate-Source Voltage .......... -25 V Gate Current .............................. 50 mA Total Package Dissipation (25°C Free-Air Temperature) .............. 350 mW Power Derating ........................ 2,8 mW/oC -S~G, G2 s, 82 Storage Temperature Range ........ -65°C to +150°C Lead Temperature (1/16" from case for 10 seconds) ......... 300°C) 5, 102 ci ~ " 5, \\,~. ci I, TO-71 = U440. U441 ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted) TO-78 = U443. U444 :21 S T A 12 T 4I I- C 5 IGSS VGS(off) BVGSS lOSS IG Characteristic Gate Reverse Current (Note 1) Gate-Source Cutoff Voltage Gate-Source Breakdown Voltage Saturation Dram Current (Note 2) Gate Current (Note 1) U440/U443 Min Typ Max -500 -1 -6 -25 6 30 -500 U441/U444 Min Typ Max -500 -1 -6 -25 6 30 -500 Unit pA V mA pA 6 9fs I- 0 V -7 N 90S A BM -~ C,ss 9 Crss Common-Source Forward Transconductance Common-Source Output Conductance Common-Source Input Capacitance Common-Source Reverse Transfer Capacitance 4,500 9,000...