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(770) 614-7443 (Diamond)
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Ferrite Interference

Ferrite Interference Choke
Two piece snap-together assembly wraps around coax. Removes RF from outside of cable. It is possible to make 2 or 3 turns of smaller coax. Several chokes will isolate end of coax for balanced feed (balun). Useful on mic leads & computer cables. Excellent for reducing RF on a mobile linear's +12V lead. New low pricing. Limited to stock on hand.
Part Number / PhotoMaximum
Cable Dia.
Nominal
H x W x L
Typical 
Cable Types

FERCKE-A
Matl: 43
MFR FAIR-RITE #: 0443164151

0.5 1.2" x 1.3" x 1.3"
9913
RG8
RG213
LMR400

FERCKE-AA

Matl: 43
MFR TDK #: ZCAT2436-1330

0.5 
(13mm)
0.875" OD x .437 "
RG8
RG213
LMR400

FERCKE-AAA

Matl: 43
MFR TKK #: SFT72SN

0.45 1.2" x 1.3" x 1.6 "  
FERCKE-B
Matl: 43
MFR FAIR-RITE #: 0443167251
0.32 0.9" x 1.0" x 1.3"
RG8X
RG58
RG59
LMR240
FERCKE-C
Matl: 43
MFR FAIR-RITE #: 0443164251
0.25 0.7" x 0.8" x 1.3"
RG8X
RG58
LMR195
LMR240
FERCKE-D
Matl: 44
MFR TDK #: ZCAT2035-0930
0.36 0.8" OD x 1.4"
RG8X
RG58
LMR195
LMR240

FERCKE-DD

Matl: 44
MFR FAIR-RITE #: 0444167781

0.388 0.933" OD x 1.55"
RG8X
RG58
LMR195
LMR240
FERCKE-E
Matl: 43
MFR#: 0443806406
0.591 1.3" OD x .625"
LMR400
LMR600
FSJ4-50
FERCKE-EE
Matl: 43
MFR FAIR-RITE #: 0443665806
 0.362  0.875" OD x .625"
RG58
LMR240
RG8/X
RG6/X
FERCKE-G
Matl: 
MFR TDK #: ZCAT3035-1330
0.5
(13mm)
 1.25" OD x 1.3 "

LMR400
9913
RG8/U
FERCKE-M

Matl: 31 
MFR FAIR-RITE #: 0431173551 
.728 1.15" x 1.15" x 1.65"
RG217
LMR600
FSJ4-50A
LDF4-50A
FERCKE-S
Matl: 44 
MFR FAIR-RITE #: 0444177081
1.00 2.16" x 2.22" x 1.69"
RG218
LMR900
LDF4-50A
LDF4.5-50A

List  Grid 

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  1. FERCKE-S Snap On Ferrite Interference Choke, Fits Cable 1.02 OD

    FERCKE-S Snap On Ferrite Interference Choke, Fits Cable 1.02 OD

    FERCKE-S Snap On Ferrite Interference Choke, Fits Cable 1.02 OD

    FERCKE-S Ferrite Interference Choke, 1.02 id, 0444177081

    Square 44 material

    Maximum Cable Diameter: 1.02"
    Nominal H x W x L: 2.16" x 2.22" x 1.69"
    Typical Cable Types: LMR900, LDF4-50A, LDF4.5-50A, FSJ4-50A, RG218, or smaller

  2. FERCKE-M Snap On Ferrite Interference Choke, Fits Cable 0.75 OD

    FERCKE-M Snap On Ferrite Interference Choke, Fits Cable 0.75 OD

    FERCKE-M Snap On Ferrite Interference Choke, Fits Cable 0.75 OD

    FERCKE-M Ferrite Interferenc Choke, .750 id, 0431173551

    Square 31 material, Fits cable sizes up to .75 OD

    Maximum Cable Diameter: 0.75"
    Nominal H x W x L: 1.15" x 1.15" x 1.65"
    Typical Cable Types: LMR600, FSJ4-50B, LDF4-50A, HL4RP-50, FLC12-50, or smaller. 

  3. FERCKE-G Snap On Ferrite Interference Choke, Fits Cable 0.5 OD

    FERCKE-G Snap On Ferrite Interference Choke, Fits Cable 0.5 OD

    FERCKE-G Snap On Ferrite Interference Choke, Fits Cable 0.5 OD

    FERCKE-G Choke, interference .509" id, ZCAT3035-1330

    Maximum Cable Diameter: 0.5"
    Nominal H x W x L: 1.25" OD x 1.3"
    Typical Cable Types: LMR400, LMR400UF, LMR400DB, 9913, 9913F7, RG8, or smaller


  4. FERCKE-EE Snap On Ferrite Interference Choke, Fits Cable 0.37 OD

    FERCKE-EE Snap On Ferrite Interference Choke, Fits Cable 0.37 OD

    FERCKE-EE Snap On Ferrite Interference Choke, Fits Cable 0.37 OD

    FERCKE-EE Snap On Ferrite Interference Choke, 0443665806

    Maximum Cable Diameter: 0.37"
    Nominal H x W x L: 0.875" OD x .625"
    Typical Cable Types: RG8X, RG58, LMR195, LMR240, RG6

  5. FERCKE-E  Snap On Ferrite Interference Choke, Fits Cable 0.6 OD

    FERCKE-E Snap On Ferrite Interference Choke, Fits Cable 0.6 OD

    $3.95

    FERCKE-E Snap On Ferrite Interference Choke, Fits Cable 0.6 OD

    FERCKE-E Snap On Ferrite Interference Choke,  0443806406

    Round, Fits cable sizes up to .6 OD

    Maximum Cable Diameter: 0.6"
    Nominal H x W x L: 1.3" OD x .625"
    Typical Cable Types: LMR600, FSJ4-50B, or smaller. 

  6. FERCKE-DD Snap On Ferrite Interference Choke, Fits Cable 0.388 OD

    FERCKE-DD Snap On Ferrite Interference Choke, Fits Cable 0.388 OD

    FERCKE-DD Snap On Ferrite Interference Choke, Fits Cable 0.388 OD

    FERCKE-DD Choke,interference, 0444167281

    Maximum Cable Diameter: 0.388"
    Nominal H x W x L: 0.933" OD x 1.55"
    Typical Cable Types: RG8X, RG58, LMR195, LMR240, RG6

     


  7. FERCKE-D Snap On Ferrite Interference Choke, Fits Cable 0.36 OD

    FERCKE-D Snap On Ferrite Interference Choke, Fits Cable 0.36 OD

    FERCKE-D Snap On Ferrite Interference Choke, Fits Cable 0.36 OD

    FERCKE-D Ferrite Interference Choke, ZCAT2035-0930

    Maximum Cable Diameter: 0.36"
    Nominal H x W x L: 0.8" OD x 1.4"
    Typical Cable Types: RG8X, RG58, LMR195, LMR240 

  8. FERCKE-C Snap On Ferrite Interference Choke, Fits Cable 0.25 OD

    FERCKE-C Snap On Ferrite Interference Choke, Fits Cable 0.25 OD

    FERCKE-C Snap On Ferrite Interference Choke, Fits Cable 0.25 OD

    FERCKE-C Ferrite Interference Choke, 0443164251

    Maximum Cable Diameter: 0.25"
    Nominal H x W x L: 0.7" x 0.8" x 1.3"
    Typical Cable Types: RG8X, RG58, LMR195, LMR 240 

  9. FERCKE-B Snap On Ferrite Interference Choke, Fits Cable 0.32 OD

    FERCKE-B Snap On Ferrite Interference Choke, Fits Cable 0.32 OD

    FERCKE-B Snap On Ferrite Interference Choke, Fits Cable 0.32 OD

    FERCKE-B Ferrite Interference Choke, 0443167251

    Maximum Cable Diameter: 0.32"
    Nominal H x W x L: 0.9" x 1.0" x 1.3"
    Typical Cable Types: RG8X, RG58, RG59, LMR240

  10. FERCKE-AAA Snap On Ferrite Interference Choke, Fits Cable 0.45 OD

    FERCKE-AAA Snap On Ferrite Interference Choke, Fits Cable 0.45 OD

    FERCKE-AAA Snap On Ferrite Interference Choke, Fits Cable 0.45 OD

    FERCKE-AAA Ferrite Interference Choke

    Maximum Cable Diameter: 0.45"
    Nominal H x W x L: 1.2" x 1.3" x 1.6"
    Typical Cable Types: RG8, RG213, LMR400 

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