Document Number: 34086
For technical questions, contact: magnetics@vishay.com
www.vishay.com
Revision: 25-Jun-09
1
Inductors, Variable, Subminiature, Shielded, Radial Leaded
WVL
Vishay Dale
ELECTRICAL SPECIFICATIONS
Adjustable Inductance Range: Tunable range; ± 5 % for
0.10 μH to 1 μH. ± 10 % for 1.2 μH to 1000 μH
Dielectic Strength: 840 VRMS at sea level
Working Voltage: 300 VDC
Maximum 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
FEATURES
Classification is grade 3, class A
Subminiature shielded adjustable inductor
High Q values
Vertical or horizontal mounting
Inductance range is 0.10 μH to 1000 μH
0.300" [7.62 mm] diameter by 0.400" [10.16 mm] length
Printed board mounting facilitated by 0.200" [5.08 mm]
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
Compliant to RoHS directive 2002/95/EC
MECHANICAL SPECIFICATIONS
Tuning Tool: Use number WVL-T or equal
Torque: 0.40 inch-ounces to 6 inch-ounces
Terminal Pull: 3 pounds
DENSITY SPECIFICATIONS
Weight: 1.5 g maximum
Shielding: 3 % coupling maximum when two units are
tested side by side
DIMENSIONS in inches [millimeters]
Horizontal Style
Vertical Style
Horizontal Mounting Clip Part Number ACS-57
(One required per unit.)
0.400 [10.16]
0.320 [8.13]
3/8 ± 1/16
[9.52 ± 1.59]
0.375 [9.53]
0.050 [1.27]
0.200 ± 0.010
[5.08 ± 0.254]
0.020
[0.508]
Dia. Wire
Phosphor-Bronze
3/8 ± 1/16
[9.52 ± 1.59]
0.200 ± 0.010
[5.08 ± 0.254]
0.400 ± 0.030
[10.16 ± 0.762]
0.300 ± 0.020
[7.62 ± 0.508]
#24 0.020 ± 0.002
[0.508 ± 0.051] TCW