Document 112-1
“Slot Seven” 7 mm Tunable Inductors
This product is not RoHS-compliant. Contact Coilcraft
for current status or possible alternatives.
These versatile Coilcraft variable inductors operate over
a wide range of frequencies. Standard inductance val-
ues are available from less than 100 nH to over 250 µH.
Custom values can also be provided upon request.
Coilcraft “Slot Seven” RF coils come in an international
7 mm package. Their precision-molded slotted bobbins
ensure tight tolerances and high stability.
A variety of shielding options are offered. “Slot Seven”
coils are tuned by means of slotted ferrite tuning cores
for easy, positive adjustment. Use the Coilcraft Slot
Tuner for a precise fit to the tuning slug.
Coilcraft Designer’s Kit M106 contains 39 coils (3
each). To order, please contact Coilcraft or purchase
on-line at http://order.coilcraft.com.
Recommended
Board Layout
Bottom View
0.300
7,62
0.460 0.008
11,68 0,20
0.138 0.040
3,51 1,02
0.177 0.005
4,50 0,13
max sq
sq
0.039
0,99
(5)
0.0885
2,248
1
2
3
ref
Finish
Start
0.039 0.008
0,99 0,20
0.059
1,50
(2)
0.285
ref
6
4
Tab thickness
0.006 0.0004
0,15 0,010
Tuning
slug
7,24
0.019
0,48
dia nom
Can tab centers
Weight 7M2 series 1.00 – 1.06 g
7M3 series 1.30 – 1.34 g
Schematic
1
3
Specifications subject to change without notice.
Please check our website for latest information.
Document112-1 Revised02/16/05
© Coilcraft, Inc. 2007