J/SST/U308 Series
Vishay Siliconix
N-Channel JFETs
J308
SST308
SST309
SST310
U309
U310
J309
J310
PRODUCT SUMMARY
Part Number
VGS(off) (V)
V(BR)GSS Min (V)
gfs Min (mS)
IDSS Min (mA)
J308
J309
–1 to –6.5
–1 to –4
–25
–25
–25
–25
–25
–25
–25
–25
8
10
8
12
12
24
12
12
24
12
24
J310
–2 to –6.5
–1 to –6.5
–1 to –4
SST308
SST309
SST310
U309
8
10
8
–2 to –6.5
–1 to –4
10
10
U310
–2.5 to –6
FEATURES
BENEFITS
APPLICATIONS
D Excellent High Frequency Gain:
D Wideband High Gain
D High-Frequency Amplifier/Mixer
D Oscillator
Gps 11.5 dB @ 450 MHz
D Very High System Sensitivity
D High Quality of Amplification
D High-Speed Switching Capability
D High Low-Level Signal Amplification
D Very Low Noise: 2.7 dB @ 450 MHz
D Sample-and-Hold
D Very Low Distortion
D Very Low Capacitance Switches
D High ac/dc Switch Off-Isolation
DESCRIPTION
The J/SST/U308 series offers superb amplification characteristics.
Of special interest is its high-frequency performance. Even at 450
MHz, this series offers high power gain at low noise.
and is available with tape-and-reel options. The U series
hermetically-sealed TO-206AC (TO-52) package supports full
military processing. (See Military and Packaging Information for
further details.)
Low-cost J series TO-226AA (TO-92) packaging supports
automated assembly with tape-and-reel options. The SST series
TO-236 (SOT-23) package provides surface-mount capabilities
For similar dual products packaged in the TO-78, see the
U430/431 data sheet.
TO-206AC
(TO-52)
TO-226AA
TO-236
(TO-92)
(SOT-23)
1
S
D
D
S
1
2
1
3
G
S
2
3
G
2
3
Top View
SST308 (Z8)*
SST309 (Z9)*
SST310 (Z0)*
D
G and Case
Top View
J308
J309
Top View
U309
U310
*Marking Code for TO-236
J310
For applications information see AN104.
Document Number: 70237
www.vishay.com
S-04028—Rev. G, 04-Jun-01
7-1