Vishay SST201, SST202, SST204, J201, J202 Schematics
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PRODUCT SUMMARY
J/SST201 Series
Vishay Siliconix
N-Channel JFETs
J201 SST201
J202 SST202
J204 SST204
Part Number V
J/SST201 −0.3 to −1.5 −40 0.5 0.2
J/SST202 −0.8 to −4 −40 1 0.9
J/SST204 −0.3 to −2 −25 0.5 0.2
GS(off)
(V) V
(BR)GSS
Min (V) g
Min (mS) I
fs
Min (mA)
DSS
FEATURES BENEFITS APPLICATIONS
D Low Cutoff Voltage: J201 <1.5 V
D High Input Impedance
D Very Low Noise
D High Gain: A
= 80 @ 20 mA
V
D Full Performance from Low Voltage
Power Supply: Down to 1.5 V
D Low Signal Loss/System Error
D High System Sensitivity
D High Quality Low-Level Signal
Amplification
D High-Gain, Low-Noise Amplifiers
D Low-Current, Low-Voltage
Battery-Powered Amplifiers
D Infrared Detector Amplifiers
D Ultra High Input Impedance
Pre-Amplifiers
DESCRIPTION
The J/SST201 series features low leakage, very low noise,
and low cutoff voltage for use with low-level power supplies.
The J/SST201 is excellent for battery powered equipment and
low current amplifiers.
The J series, TO-226 (TO-92) plastic package, provides low
cost, while the SST series, TO-236 (SOT-23) package,
provides surface-mount capability. Both the J and SST series
are available in tape-and-reel for automated assembly (see
Packaging Information).
For similar products in TO-206AA (TO-18) packaging, see the
2N4338/4339/4340/4341 data sheet.
For applications information see AN102 and AN106.
Document Number: 70233
S-40393—Rev. G, 15-Mar-04
D
S
G
TO-226AA
(TO-92)
1
2
3
Top View
J201
J202
J204
TO-236
(SOT-23)
1
D
S
2
Top View
SST201 (P1)*
SST202 (P2)*
SST204 (P4)*
*Marking Code for TO-236
G
3
www.vishay.com
1
J/SST201 Series
V
VDS = 15 V, VGS = 0 V
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Gate-Drain, Gate-Source Voltage −40 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gate Current 50 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (
Storage Temperature −55 to 150_C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
/16” from case for 10 sec.) 300_C. . . . . . . . . . . . . . . . . . .
Operating Junction Temperature −55 to 150_C. . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation
Notes
a. Derate 2.8 mW/_C above 25_C
a
350 mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS (TA = 25_C UNLESS OTHERWISE NOTED)
Limits
J/SST201 J/SST202
J/SST204
Parameter Symbol Test Conditions TypaMin Max Min Max Min Max Unit
Static
Gate-Source
Breakdown Voltage
Gate-Source Cutoff Voltage V
Saturation Drain Current
Gate Reverse Current I
Gate Operating Current I
Drain Cutoff Current I
Gate-Source Forward Voltage V
b
V
(BR)GSS
GS(off)
I
DSS
GSS
D(off)
GS(F)
IG = −1 mA , VDS = 0 V
VDS = 15 V, ID = 10 nA −0.3 −1.5 −0.8 −4 −0.3 −2
VDS = 15 V, VGS = 0 V 0.2 1 0.9 4.5 0.2 3 mA
VGS = −20 V, VDS = 0 V −2 −100 −100 −100 pA
TA = 125_C
G
VDG = 10 V, ID = 0.1 mA −2
VDS = 15 V, VGS = −5 V 2
IG = 1 mA , VDS = 0 V 0.7 V
−40 −40 −25
−1 nA
Dynamic
Common-Source
Forward Transconductance
Common-Source
Input Capacitance
Common-Source
Reverse Transfer Capacitance
Equivalent Input Noise Voltage e
Notes
a. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. NPA, NH
b. Pulse test: PW v300 ms duty cycle v3%.
c. See 2N/SST5484 Series for J204 and SST204 typical characteristic curves.
g
fs
C
iss
C
rss
n
VDS = 15 V, VGS = 0 V
f = 1 kHz
VDS = 15 V, VGS = 0 V
f = 1 MHz
VDS = 10 V, VGS = 0 V
f = 1 kHz
0.5 1 0.5 mS
4.5
1.3
6
c
V
pA
pF
nV⁄
√Hz
www.vishay.com
2
Document Number: 70233
S-40393—Rev. G, 15-Mar-04
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