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| U290 Datasheet, PDF (1/5 Pages) InterFET Corporation – N-Channel Silicon Junction Field-Effect Transistor | |||
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N-Channel JFETs
U290/291
Vishay Siliconix
PRODUCT SUMMARY
Part Number
U290
U291
VGS(off) (V)
â4.0 to â10
â1.5 to â4.5
rDS(on) Max (W) ID(off) Typ (pA)
3
10
7
10
tON Typ (ns)
14
14
FEATURES
BENEFITS
D Low On-Resistance: U290 < 3 W
D Fast SwitchingâtON: 14 ns
D High Off-Isolation
D Low Capacitance: 20 pF
D Low Insertion Loss
D Low Error Voltage
D High-Speed Analog Circuit Performance
D Negligible âOff-Error,â Excellent Accuracy
D Good Frequency Response
D Eliminates Additional Buffering
APPLICATIONS
D Analog Switches
D Choppers
D Sample-and-Hold
D Normally âOnâ Switches
D Current Limiters
DESCRIPTION
The U290/U291 are high-performance JFET analog switches
designed to offer low on-resistance and fast switching. This
series features the lowest on-resistance of any JFET in the
industry today.
TheTO-206AC (TO-52) hermetically sealed case makes this
series suitable for military applications.
For similar products in TO-226A (TO-92) packaging, see the
J105/106/107 data sheet.
Ordering Information: U290âE3
U291âE3
TO-206AC
(TO-52)
S
1
2
3
D
Top View
U290
U291
G and Case
ABSOLUTE MAXIMUM RATINGS
Gate-Drain, Gate-Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . â30 V
Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . â65 to 200_C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . â55 to 150_C
Document Number: 70235
S-41139âRev. A, 07-Jun-04
Power Dissipationa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 mW
Notes
a. Derate 4 mW/_C above 25_C
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