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U440 Datasheet

Part Number U440
Manufacturers Siliconix
Logo Siliconix
Description dual n-channel JFET
Datasheet U440 DatasheetU440 Datasheet (PDF)

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 Volta.

  U440   U440






Part Number U440
Manufacturers Linear Integrated Systems
Logo Linear Integrated Systems
Description MONOLITHIC DUAL N-CHANNEL JFET
Datasheet U440 DatasheetU440 Datasheet (PDF)

U/SST440,441 Linear Integrated Systems FEATURES Direct Replacement for SILICONIX U/SST440 & U/SST441 HIGH CMRR LOW GATE LEAKAGE ABSOLUTE MAXIMUM RATINGS @ 25 °C (unless otherwise stated) Maximum Temperatures Storage Temperature Operating Junction Temperature Maximum Power Dissipation Continuous Power Dissipation (Total) Maximum Currents Gate Current Maximum Voltages Gate to Drain Gate to Source Gate to Gate -25V -25V ±50V 50mA 500mW -65 to +150 °C -55 to +135 °C G1 D1 S1 2 1 7 3 5 6 1 MONOLITHI.

  U440   U440







Part Number U440
Manufacturers Micross
Logo Micross
Description Low Leakage
Datasheet U440 DatasheetU440 Datasheet (PDF)

U440 MONOLITHIC DUAL N-CHANNEL JFET Linear Systems replaces discontinued Siliconix U440 The U440 is a tightly matched Monolithic Dual N-Channel JFET The U440 are monolithic dual JFETs mounted in a single TO-71 package. The monolithic dual chip design reduces parasitics and gives better performance at very high frequencies while ensuring extremely tight matching. These devices are an excellent choice for use as wideband differential amplifiers in demanding test and measurement applications. The .

  U440   U440







Part Number U440
Manufacturers Calogic LLC
Logo Calogic  LLC
Description N-Channel JFET Monolithic Dual
Datasheet U440 DatasheetU440 Datasheet (PDF)

N-Channel JFET Monolithic Dual CORPORATION U440 / U441 FEATURES DESCRIPTION The U440 Series is an N-Channel Monolithic Dual JFET designed for high speed amplifier circuits. Featuring high gain (> 6 mS typical), low leakage (< 1pA typ) and low noise. This series is an excellent choice for differential amplifier designs. ORDERING INFORMATION Part Package Temparature Range -55oC to +150oC -55oC to +150oC U440-1 Hermetic TO-71 Package XU440-1 Sorted Chips in Carriers • High Gain . . . . . . . . . .

  U440   U440







dual n-channel JFET

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.


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