7M3-221

Manufacturer Part Number7M3-221
ManufacturerCOILCRAFT
TypeTunable
7M3-221 datasheet
 

Specifications of 7M3-221

Product Length7.62 mmProduct Height11.88 mm
Lead StylePinCore MaterialFerrite
Inductance220 nH  
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“Slot Seven” 7 mm Tunable Inductors
Recommended
Board Layout
0.177 ±0.005
sq
4,50 ±0,13
0.039
(5)
0,99
0.0885
ref
2,248
0.059
(2)
1,50
0.285
ref
7,24
Can tab centers
Weight 7M2 series
1.00 – 1.06 g
7M3 series
1.30 – 1.34 g
Schematic
1
3
© Coilcraft, Inc. 2007
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.
Bottom View
0.300
0.138
max sq
7,62
3,51 ±1,02
1
2
3
Start
Finish
0.039
±0
0,99 0,20
±
Tab thickness
6
4
Tuning
0.006
±0
slug
0,15 0,010
±
Specifications subject to change without notice.
Please check our website for latest information.
Document 112-1
±0
.040
0.460 ±0.008
11,68 ±0,20
.008
.0004
0.019
dia nom
0,48
Document 112-1 Revised 02/16/05

7M3-221 Summary of contents

  • Page 1

    ... Can tab centers Weight 7M2 series 1.00 – 1.06 g 7M3 series 1.30 – 1.34 g Schematic 1 3 © Coilcraft, Inc. 2007 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 µ ...

  • Page 2

    ... Parts in bold are included in Coilcraft Designer’s Kit M106. Typical nom — Series 7M2 Frequency (MHz) © Coilcraft, Inc. 2007 Test L max (µH) frequency 0.100 0.106 25 MHz 0.120 0.127 25 MHz 0.150 0.159 25 MHz 0 ...

  • Page 3

    ... Seven” Tunable Inductors Series 7M3 — Shielded with Ferrite Sleeve Part number L min (µH) L nom (µH) 7M3-151 0.128 7M3-181 0.153 7M3-221 0.187 7M3-271 0.230 7M3-331 0.281 7M3-391 0.332 7M3-471 0.400 7M3-561 0.476 7M3-681 0.544 7M3-821 0.656 7M3-102 0.8 7M3-122 1 ...

  • Page 4

    ... Seven” Tunable Inductors Typical Self Resonant Frequency At nominal inductance 800 7M2 700 600 500 400 7M3 300 200 100 0 -101 -221 -331 © Coilcraft, Inc. 2007 -561 -102 -182 -332 -562 -103 -183 Dash Number Specifications subject to change without notice. ...