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Broadband Ferrite

Broadband Ferrite Transformers
for 2-35 MHz Solid State Amplifiers
broadband ferrite transformers

Absolutely the best quality Input & Output transformers for use in Linear and Class C amplifiers. Commonly used in commercially built amplifiers using SD1446, MRF454, MRF455, 2SC2290, 2SC2879, and similar transistors. Transformers are built in various lengths from 1/2" O.D. ferrite.

Frequency 2-35MHz
Part NumberNotesLength
T1/4   ¼”
T1/2 Type 61 Material ½”
T3/4 Type 61 Material ¾”

T3/4-1		 Type 61 Material.

Same as T-.75 without foot on back plate.		 ¾”
T1 Type 61 Material 1”
T1.25 Type 61 Material 1¼”
T1.5 Type 61 Material 1½”
T2 Type 61 Material 2”
 
Part NumberNotes

Length

T.25-43 Type 43 Material ¼”
T.5-43 Type 43 Material ½”
T.75-43 Type 43 Material ¾”
T1-43 Type 43 Material 1”
T1.25-43 Type 43 Material 1¼”
T1.5-43 Type 43 Material 1½”
T2-43 Type 43 Material 2”

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  1. T3/4-W4 Solid Core Ferrite Transformer Type 61 Material

    T3/4-W4 Solid Core Ferrite Transformer Type 61 Material

    $5.91

    T3/4-W4 Solid Core Ferrite Transformer Type 61 Material

    • Transformer, 3/4 inch with 4 turns
    • Type 61 material

    SKU: T3/4-W4

  2. T3/4-W3 Split Core Ferrite Transformer Type 61 Material

    T3/4-W3 Split Core Ferrite Transformer Type 61 Material

    $5.91 As low as: $4.82

    T3/4-W3 Split Core Ferrite Transformer Type 61 Material

    SKU: T3/4-W3S

  3. T3/4-W3 Solid Core Ferrite Transformer Type 61 Material

    T3/4-W3 Solid Core Ferrite Transformer Type 61 Material

    $5.91 As low as: $4.82

    T3/4-W3 Ferrite Transformer Type 61 Material

    SKU: T3/4-W3

  4. T3/4-1 Broadband Split Core Ferrite Transformer Type # 61 Material

    T3/4-1 Broadband Split Core Ferrite Transformer Type # 61 Material

    $3.91 As low as: $3.34

    • Frequency: 14-30 MHz
    • This transformer is same as T3/4 but without foot on back plate.
    • Size: 3/4" high

    SKU: T3/4-1S

  5. T1/4-W4 Messenger #43 Material Ferrite Transformer 1/4" with PTFE Wire (NOS)

    T1/4-W4 Messenger #43 Material Ferrite Transformer 1/4" with PTFE Wire (NOS)

    $6.91 As low as: $6.56

    • 1/4" transformer with Type 43 material, pre-wrapped with 4 turns of 20 AWG, PTFE wire, originally used in Messenger amplifiers.
    • Size: 1.15" Long x 0.62" High

    New Old Stock * No longer available for export
    SKU: T1/4-W4

  6. T1.5 Ferrite Core Transformer 1.5 inch Type # 61 Material

    T1.5 Ferrite Core Transformer 1.5 inch Type # 61 Material

    $7.91 As low as: $6.91

    • Frequency: 2-35 MHz
    • Overall dimensions: 1.73" Long x 1.09" Wide x 0.675" Height
    • Hole Diameter is 0.25"  

    MFR: ALH
    SKU: T1.5

  7. T1.25X TDK Ferrite Transformer 1.25 inch with PTFE Covered Wire

    T1.25X TDK Ferrite Transformer 1.25 inch with PTFE Covered Wire

    $6.91 As low as: $6.23

    • PTFE covered wire: 3 turns

    MFR: TDK Corporation
    SKU: T1.25X

  8. 5961001901 Fair-Rite Products Ferrite Core 61 Material 1/2" x 1/2"

    5961001901 Fair-Rite Products Ferrite Core 61 Material 1/2" x 1/2"

    $0.91 As low as: $0.82

    • Outside Diameter:  0.500"
    • Inside Diameter: 0.311"
    • Inductance Factor (nH): 150 ±25%
    • Effective Cross-Sectional Area (cm2): 0.299
    • Core Constant (cm-1): 10.4
    • Effective Path Length (cm): 3.12
    • Effective Core Volume (cm3): 0.93

    MFR: Fair-Rite Products
    SKU: 1/2CORE


  9. 3/4" Ferrrite Solid Core Transformer 3/4 inch Type # 61 material

    3/4" Ferrrite Solid Core Transformer 3/4 inch Type # 61 material

    $6.91 As low as: $6.23

    • Frequency: 2-35 MHz
    • Overall dimensions: 0.97" Long x 1.09" Wide x 0.675" Height.  Hole Diameter is 0.25"  

    SKU: T3/4

     

    Made in the USA
  10. 2" Ferrite Core Transformer 2 inch Type # 61 Material (T2)

    2" Ferrite Core Transformer 2 inch Type # 61 Material (T2)

    $8.91 As low as: $8.51

    2" Ferrite Core Transformer, 2 inch, Type # 61 Material (T2)

     

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RF Parts Company
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SAN MARCOS, CA, 92078, USA

1-800-RFPARTS (1-800-737-2787)  1-760-744-0700, #1

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