Document 108-1
10 mm Tunable Coils
–
142,143,144 Series
These Coilcraft variable inductors are precision molded
in plastic to ensure constant winding pitch and a consis-
tent relationship to the printed circuit board.
Extremelyeconomical, eveninsmallquantities, thecoils
come in standard inductance values from 0.05 µH to
1.5 µH. 144 Series parts are also available with a tap to
meet specific requirements.
Tuningisdonebymeansofathreadedpowderedironcore
with a hex socket for easy, positive adjustment. Plated
brass shield cans with solderable tabs are optional.
These parts can be odered without cores for use as fixed
inductors.
Coilcraft Designer’s Kit M102 contains samples of all
standard 10 mm and 7 mm tunable inductors. To order,
contact Coilcraft or visit http://order.coilcraft.com to
purchase on-line.
3 TOOLS IN 1
TRITUNER SEE INDEX
TUNING WRENCH
Unshielded Styles
0.380 0.005
square
0.276 0.007
7,01 0,18
0.704 (0.470*) 0.020
17,88 (11,94*) 0,51
0.138 0.040
3,5 1,02
9,65 0,13
Start
0.276 0.007
7,01 0,18
Finish
0.025 0.002
0,635 0,05
dia
Recommended
Board Layout
With Shield Can
0.375
9,53
0.197
5,00
(optional, for tuning
through the board)
Tab centers
0.411
10,44
0.750 (0.531*)
max
max
0.060 0.010
1,52 0,25
19,05 (13,49*)
0.138
3,505
0.080
2,03
(for shield
can tabs)
Start
C
L
0.138
3,505
0.1875
4,76
Finish
0.045
(2)
0.197
5,00
0.157 0.010
3,99 0,25
Tab length
dia
1,143
C
L
*142 Series only
Specifications subject to change without notice.
Please check our website for latest information.
Document108-1 Revised08/15/05
© Coilcraft, Inc. 2005