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2N3954A Datasheet N-Channel Monolithic Dual JFETs

Manufacturer: National Semiconductor (now Texas Instruments)

Download the 2N3954A datasheet PDF. This datasheet also includes the 2N3954 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (2N3954-NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

The 2N3954 thru 2N3955/A series of N-channel monolithic dual JFETs is designed for low to medium frequency differential amplifier applications requiring low noise, high common-mode rejection, and very tight match.

Absolute Maximum Ratings (25°o Gate-Drain or Gate-Source Voltage —50V Gate-to-Gate Voltage + 50V Gate Current Total Device Dissipation 85°C (Each Side) Case Temperature (Both Sides) 50 mA 250 mW 500 mW Power Derating (Each Side) 2.86 mW/°C (Both Sides) 4.3 mW/°C Storage Temperature Range -65° C to +200° C Lead Temperature (1/16" from case for 10 seconds) 300 C ~ 0.175 0195 (4.445-4 953)' SEATING PLANE TO-71 D.ZQ9 0.230 ~i(5.309 -5.842) ^ 0.170 0.210 (4 318 5 334) 0.016-D.D19 I *" ""* (0.406-0.183) 0.03D (0.762) (0~9H-1.168}~ PIN FET (12) 1 S1 2 D1 3 G1 5 S2 6 D2 7 G2 Electrical Characteristics <25°c unless otherwise noted) PARAMETER Gate-Source Breakdown VGS 30V, VDS "" o CONDITIONS vds-o, Ig" 1 MA V DS = 20V.

D | - 1 „A Gate-Source Voltage V D S" 20V.

Overview

a Process 83 2N3954-55/2N3954A-55A N-Channel Monolithic Dual JFETs.