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參數資料
| 型號： | WVLM270UH10% |
| 廠商： | VISHAY DALE |
| 元件分類： | 可變電感 |
| 英文描述： | SHIELDED, VARIABLE INDUCTOR |
| 文件頁數： | 1/2頁 |
| 文件大小： | 85K |
Document Number 34087
Revision 02-Nov-01
www.vishay.com
53
WVLM
Vishay Dale
For technical questions, contact Magnetics@vishay.com
Inductors
Variable, Subminiature, Shielded
FEATURES
Subminiature shielded adjustable inductor.
High Q values.
Vertical or horizontal mounting.
Unitized epoxy-molded construction.
Inductance range is 0.10
H to 100,000H.
0.300" [7.62mm] diameter by 0.400" [10.16mm] length.
Printed board mounting facilitated by 0.200" [5.08mm] grid
spacing.
Unit has shield construction to allow maximum density
packaging.
Accommodates close inductance adjustments in high
density circuits that demand exceptional stability and high
“Q” in the smallest size available.
ELECTRICAL SPECIFICATIONS
Adjustable Inductance Range: Tunable range;
± 5% for
0.10
H to 1H. ± 10% for 1.2H to 100,000H.
Dielectic Strength: 840VRMS at sea level.
Working Voltage: 300VDC.
Rated Current: Based on temperature rise not to exceed
15
°C at + 90°C ambient.
Incremental Current: The DC current required to cause a
five percent reduction in the nominal inductance value.
Operating Temperature: - 55
°C to + 105°C.
MECHANICAL SPECIFICATIONS
Tuning Tool: Use Vishay Dale No. 642866-01.
Torque: 0.40 to 6 inch-ounces.
Terminal Pull: 3 pounds.
DENSITY SPECIFICATIONS
Weight: 1.5 grams maximum.
Shielding: 3% coupling maximum when two units are
tested side by side.
Vertical Style
Horizontal Style
Tuning Tool P/N 642866-01
DIMENSIONs in inches [millimeters]
0.020
[0.508]
Dia. Wire
Phosphor-Bronze
3/8
± 1/16
[9.52
± 1.59]
0.375 [9.53]
0.320 [8.13]
0.400 [10.16]
0.200
± 0.010
[5.08
± 0.254]
0.050 [1.27]
0.200
± 0.010
[5.08
± 0.254]
#24 0.020
± 0.002
[0.508
± 0.051] TCW
3/8
± 1/16
[9.52
± 1.59]
0.400
± 0.030
[10.16
± 0.762]
0.300
± 0.020
[7.62
± 0.508]
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