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Variable RF Coil 101uH - 225uH (code 301)

19402013

New product

Variable Inductor - RF Coil for Ham Radio Hobby

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$ 2.29

$ 2.29 per 1 pc

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Up for sale a shielded variable coil, having a code #301.

The price is for one Coil (1 pc).

It's easy to take off a coil winding for re-winding it up again according to your needs.

Dimensions (the picture has been taken from the coil #101):

Photo showing the coil with both shielding and winding removed (this #301 plastic mould is only one which has a different shape comparing the coils #101, #103, #116, #207 and #207A):

#301 coil windings:

 

L43 ... 107 turns (an inductance can be adjusted by the screw ferrite core in the range of 101 μH till 225 μH)

(L45 ... 102 turns and L53 ... 5 turns)

L21 ... 12 turns

Both the windings L43 and L21 have been wound by the copper wire with a diameter of 0.1 mm.

How to determine number of the winding turns if you know the wanted inductance:

You can buy those coils with different inductances from me:

#101:    45 μH - 100 μH

#103:    45 μH - 100 μH

#116:  306 μH - 680 μH

#207:    1.7 μH - 3.7 μH

#207A: 1.7 μH - 3.7 μH

#301:  101 μH - 225 μH

Photo showing different coils you can buy from me:

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Variable RF Coil 101uH - 225uH (code 301)

Variable RF Coil 101uH - 225uH (code 301)

Variable Inductor - RF Coil for Ham Radio Hobby

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