Document
J201 J202 J203
CASE 29-02, STYLE 5
TO-92 (TO-226AA) JFET
LOW FREQUENCY/LOW NOISE —N-CHANNEL DEPLETION
Refer to 2N4220 for graphs.
MAXIMUM RATINGS
Rating
Drain-Source Voltage Drain-Gate Voltage Gate-Source Voltage Gate Current
@Total Device Dissipation Ta = 25°C
Derate above 25°C Storage Temperature Range
Symbol vDs vDg vgs
IQ
PD
Tstg
Value 40 40 40 50 310 2.82
-65 to +150
ELECTRICAL CHARACTERISTICS
Gate Source Cutoff Voltage (Vds = 20 V, Id = 1 ° nA)
J2° 1 J202 J203
ON CHARACTERISTICS
Zero-Gate-Voltage Drain Current
(VDS = 20 V)
J201 J202 J203
SMALL-SIGNAL CHARACTERISTICS
Forward Transfer Admittance (Vqs = 20 V, f = 1.0 kHz)
J201 J202 J203
•Pulse Width « 2.0 msec.
Symbol V(BR)GSS
IGSS VGS(off)
-40
—
-0.3 -0.8 -2.0
'DSS*
0.2 0.9 4.0
lYfsl*
500 1000 1500
—
-100
-1.5 -4.0 -10.0
1.0.
4.5 20.0
Un.