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2N3438 fiches techniques PDF

Motorola Semiconductors - JFET LOW-FREQUENCY

Numéro de référence 2N3438
Description JFET LOW-FREQUENCY
Fabricant Motorola Semiconductors 
Logo Motorola Semiconductors 





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2N3438 fiche technique
2N3436
2N3437
2N3438
CASE 22-03, STYLE 4
TO-18 (TO-206AA)
JFET
LOW-FREQUENCY
N-CHANNEL DEPLETION
MAXIMUM RATINGS
Rating
Drain-Gate Voltage
Gate-Source Voltage
Gate Current
@Total Device Dissipation T/\ = 25°C
Derate above 25°C
Storage Temperature Range
Symbol
vdg
Vgs
•g
Pd
Tstg
Value
50
50
10
300
1.7
-65 to +175
Unit
Vdc
Vdc
mA
mW
mW/°C
°C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.]
Characteristic
OFF CHARACTERISTICS
Gate-Source Breakdown Voltage
(Iq = 1.0 nA)
Gate Reverse Current
(VG S = -30 V)
Gate Source Cutoff Voltage
(VpS = 20 V, Iq = 1.0 nA)
2N3436
2 N 3437
2N3438
Gate Source Voltage
(Vqs = 20 V, Iq = 10 mA)
ON CHARACTERISTICS
2N3436
2N3437
2N3438
Zero-Gate-Voltage Drain Current
(V Ds = 20 V)
2N3436
2N3437
2N3438
SMALL-SIGNAL CHARACTERISTICS
Forward Transfer Admittance
(Vds = 20 V, f = 1.0 kHz)
2N3436
2N3437
2N3438
Output Admittance
(V DS = 30 V, f = 1.0 kHz)
2N3436
2 N 3437
2N3438
Input Capacitance
(VDS = 10 V)
(v Ds = 6.o
(Vds = 4.0 V, f = 1.0 MHz)
FUNCTIONAL CHARACTERISTICS
2N3436
2N3437
2N3438
Noise Figure
(Vds = 10 V, Rq = 1.0 mn, f = 1.0 kHz)
*Pulse Width « 630 msec. Duty Cycle *s 10%.
Symbol
V (BR)GSS
'GSS
v GS(off)
VGS
'DSS*
IVfsl
IVosI
Cj ss
Min
50
-
-
3.0
0.8
0.2
2500
1500
800
Max
-
0.5
10.0
5.0
2.5
9.8
4.8
2.3
15
4.0
1.0
10000
6000
4500
35
20
5
18
Unit
Vdc
nA
Vdc
Vdc
mA
/i,mhos
jtmhos
PF
NF 2.0 dB
6-4

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