2N4338 2N4340
2N4339 2N4341
SILICON
N-CHANNEL JFETS
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N4338 Series
devices are silicon N-Channel JFETs mounted in a
hermetically sealed metal case designed for low level,
low noise amplifier applications.
MARKING: FULL PART NUMBER
MAXIMUM RATINGS: (TA=25°C) SYMBOL UNITS
Gate-Drain Voltage VGD 50 V
Gate-Source Voltage VGS 50 V
Drain-Source Voltage VDS 50 V
Gate Current IG 50 mA
Power Dissipation PD 325 mW
Operating and Storage Junction Temperature TJ, Tstg -65 to +200 °C
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
2N4338 2N4339 2N4340 2N4341
SYMBOL TEST CONDITIONS MIN MAX MIN MAX MIN MAX MIN MAX UNITS
IGSS V
GS=30V, VDS=0 - 0.1 - 0.1 - 0.1 - 0.1 nA
IDSS V
DS=15V, VGS=0 0.2 0.6 0.5 1.5 1.2 3.6 3.0 9.0 mA
BVGSS I
G=1.0µA 50 - 50 - 50 - 50 - V
VGS(OFF) V
DS=15V, ID=0.1A 0.3 1.0 0.6 1.8 1.0 3.0 2.0 6.0 V
|yfs| V
DS=15V, f=1.0kHz 0.6 1.8 0.8 2.4 1.3 3.0 2.0 4.0 mS
|yos| V
DS=15V, f=1.0kHz - 5.0 - 15 - 30 - 60 S
Ciss V
DS=15V, f=1.0MHz - 6.0 - 6.0 - 6.0 - 6.0 pF
Crss V
DS=15V, f=1.0MHz - 2.0 - 2.0 - 2.0 - 2.0 pF
NF VDS=15V, f=1.0kHz, RG=1.0M - 1.0 - 1.0 - 1.0 - 1.0 dB
TO-18 CASE
R1 (3-August 2016)
www.centralsemi.com
2N4338 2N4340
2N4339 2N4341
SILICON
N-CHANNEL JFETS
TO-18 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Source
2) Drain
3) Gate
MARKING: FULL PART NUMBER
www.centralsemi.com
R1 (3-August 2016)
For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,
which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms
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(001)
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when ordering (example: 2N2222A PBFREE).
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