n-channel JFET. 2N4221 Datasheet

2N4221 JFET. Datasheet pdf. Equivalent

Part 2N4221
Description n-channel JFET
Feature n-channel JFETs designed for • • • • Small-Signal Amplifiers • VHF Amplifiers • Oscillators • Mixers.
Manufacture Siliconix
Total Page 1 Pages
Datasheet
Download 2N4221 Datasheet



2N4221
n-channel JFETs
designed for
Small-Signal Amplifiers
VHF Amplifiers
Oscillators
Mixers
H
Siliconix
Performance Curves NRUNPA
See Section 4
BENEFITS
• High Gain
Low Receiver NOise Figure
*ABSOLUTE MAXIMUM RATINGS (25°C)
Gate-Drain or Gate-5ource Voltage (Note 1) ______ .. -30 V
Gate Current ............................... 10 mA
Drain Current .............................. 15 mA
Total Device Dissipation at (or below) 25°C
Free-Air Temperature ...................... , , " 300 mW
Derate Linearly to 175°e Free-Air Temperature at Rate
of2 mWre
Storage Temperature Range, , . , , , . , , , , , . , -65 to +200o e
Lead Temperature
(1/16" from case for 10 seconds), , , , , , , .. , . , , . 3000 e
TO-72
See Section 6
'4:
~G g
D
*ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted)
Characteristic
1
-2'
J
S
T
-4'
A
T
-5
I
C
6
IGSS
~vGSS
VGS(otf)
VGS
lOSS
Gate Reverse Current
Gate-Source Breakaown Voilage
Gate-Source Cutoff Voltage
Gate-Source Voltage
Saturation Drain Current
(Note 21
7
-
-8 0
V
9N
-A
M
10 I
-c
11
-
12
9fs
IVlsl
90 s
CISS
Crss
NF
Common-Source Forward
Transconductance (Note 2)
Common-Source Forward
Transadmlttance
Common-Source Output
Conductance (Note 2)
Common-Source Input
Capacitance
Common-Source Reverse Transfer
Capacitance
NOISe F,gure, Only 2N4220A,
2N4221A,2N4222A
2N4220,
2N4220A
Min Max
-0.1
-0.1
-3D
-4
-0.5 -2.5
(501 (501
2N4221,
2N4221A
2N4222,
2N4222A
Min Max Min Max
-0.1 -0.1
-0.1 -0.1
-30 -30
-6 -8
-1 -5 -2 -6
(2001 (2001 (5001 (5001
Uniu
Test Conditions
nA
IVGS=-15V,VOS=0
IlA
!G =-lOp.A, \/OS= IJ
V
VOS= 15V,IO=0.1 nA
V
VOS=15V,IO=( I
(IlAI
150·C
05 3
2 6 5 15 mA VOS=15V,VGS=0
1000 4000 2000 5000 2500 6000
1= 1 kHz
750 750 750 ILmho
10 20
40 VOS = 15 V, VGS = 0
1= 100 MHz
1=1 kHz
66 6
pF
22 2
1= 1 MHz
2.5 2.5
2.5 dB VOS-15V,VGS=0
Rgen = 1 meg
1= 100 Hz
*JEDEC registered data.
NOTES:
1. Due to symmetrical geometry. these umts may be operated with source and drain leads interchanged.
2. These parameters are measured dUring a 2 msec Interval 100 msec after d-c power IS applied.
NRL/NPA
3-10 Siliconix





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