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Plate Caps

Plate Caps, Heat Radiators and Clips

RF Parts offers plate caps, heat radiators and clips for many popular tubes. This includes popular tubes, such as the 3-400Z/3-500Z.

The following is a list of plate caps and heat radiators and their matching tubes.

Heat Radiators and Plate ClipsMatching Tubes
HR2 Heat radiator, tube plate cap, finned For tubes with .0625" pin.
HR3 Heat radiator, tube plate cap, Eimac Works with tubes with 0.72" Plate terminal
HR4 Heat radiator, tube plate cap, finned For tubes with .1015 " dia. pin
HR6-SHORT Plate Cap Heat radiator, short version 3-400Z/3-500Z & ZG, 4-400A short version 3-400Z/3-500Z & ZG, 4-400A
HR6-TALL Plate Cap Finned plate cap 3-500/4-400 3-500/4-400
HR7 Plate Cap / Anode Heat Radiator for 304TL or 304TH 304TL or 304TH
HR8 Plate cap, Finned Aluminum, Fits on 3-1000Z / 4-1000A / 4PR1000A/ 833 3-1000Z / 4-1000A / 4PR1000A/ 833
PC509 Plate cap, 1/4" for EL509 / EL519 / 6KG6 EL509 / EL519 / 6KG6
PLCAP1 Ceramic Plate cap for Tubes: 811A / 572B / 866 / 833, 811A / 572B / 866 / 833
PLCAP2 Ceramic Plate cap for tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 8950 tubes, tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 8950 tubes
PLCAP3 Ceramic Plate cap for tubes with plate diameter of 0.25" tubes with plate diameter of 0.25"
HR7 Plate Cap / Anode Heat Radiator for 304TL or 304TH, Eimac (NOS) 304TL or 304TH
HR6-1 Plate Cap Finned, 3-500Z & 4-400A 3-500Z & 4-400A

The following is a list of clips and their matching tubes.

ClipsMatching Tubes
AC1 Anode clip for 4cx150a-400a O.565" /11 mm typ. diameter (Default) 4cx150a-400a O.565" /11 mm typ. diameter
AC2 Anode Clip for 4CX800A / 4CX1600B / 3CX3000A7, etc 4CX800A / 4CX1600B / 3CX3000A7, etc
AC3 Anode Clip for Large 3CX & 4CX tubes thru 15000 Large 3CX & 4CX tubes thru 15000
AC4 Anode Clip for 833A & C tubes or with 0.45 diameter plate cap 833A & C tubes or with 0.45 diameter plate cap
AC5 Anode Clip, Plate/Grid, 0.57", 4CX250B, 4CX350A Plate/Grid, 0.57", 4CX250B, 4CX350A
SPRCLP Spring clip for smaller plate caps 0.24-0.25" Dia smaller plate caps 0.24-0.25" Dia
SPRCLP-L Spring clip, large. fits 572B, 810, 866, 813 572B, 810, 866, 813

List  Grid 

per page
Set Descending Direction

  1. HR3 Eimac Finned Tube Plate Cap (NOS)

    HR3 Eimac Finned Tube Plate Cap (NOS)

    $14.91

    For tubes with 0.72" plate terminal. Finned to reduce heat.

    MFR: Eimac * Made in USA

    New Old Stock * No Longer Available for Export

    Made in the USA
  2. SPRCLP Spring clip for smaller plate caps 0.24-0.25" Dia

    SPRCLP Spring clip for smaller plate caps 0.24-0.25" Dia

    $0.75 As low as: $0.50

    SPRCLP  Spring clip for older sweep tubes with small plate cap Diameter of 0.24 - 0.25"

    NOTE: Please check your tubes to make sure diameter fits.

     

  3. PLCAP2 Ceramic Plate cap for tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 8950 tubes,

    PLCAP2 Ceramic Plate cap for tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 8950 tubes,

    $3.91

    PLCAP2  Ceramic Plate cap for popular tubes with plate diameter of approx. 0.35": 

    Fits: 6146B, 6146W, 6LQ6, 8950 tubes and more.

    MFR: China

    SKU: CAP 807,6146

  4. PLCAP1 Ceramic Plate cap for Tubes: 811A / 572B / 866 / 833,

    PLCAP1 Ceramic Plate cap for Tubes: 811A / 572B / 866 / 833,

    $6.91

    PLCAP1   Ceramic Plate cap for Tubes with 0.55" Plate diameter:  811A / 572B / 866 / 833, 

    Made in China


  5. PC509 Millen Plate cap 1/4" for EL509/EL519/6KG6 (NOS)

    PC509 Millen Plate cap 1/4" for EL509/EL519/6KG6 (NOS)

    $7.95

    PC509 Millen Plate cap 1/4" for EL509/EL519/6KG6 (NOS)

    New Old Stock/New In the Box

    No longer available for export

    MFR: Millen, USA

    SKU: PC509

    Made in the USA

  6. HR8 Aluminum, Finned Plate Cap Fits 3-1000Z, 4-1000A, 4PR1000A and 833 tubes

    HR8 Aluminum, Finned Plate Cap Fits 3-1000Z, 4-1000A, 4PR1000A and 833 tubes

    $17.91

    HR8 Aluminum, Finned Plate Cap  Fits 3-1000Z, 4-1000A, 4PR1000A and 833 tubes.

    SKU: HR8

    Made in the USA

  7. HR7 Plate Cap / Anode Heat Radiator for 304TL or 304TH

    HR7 Plate Cap / Anode Heat Radiator for 304TL or 304TH

    $14.95

    HR7  Plate Cap / Anode Heat Radiator for 304TL or 304TH or tube with 0.127 Hole diameter.

    No longer available for Export, Not for Export, (NOS)

     

    Made in the USA

  8. HR6-TALL Anode Plate Cap Finned plate cap 3-500/4-400 Vintage

    HR6-TALL Anode Plate Cap Finned plate cap 3-500/4-400 Vintage

    $12.91 As low as: $11.51

    HR6-TALL  Anode Plate Cap Finned plate cap 3-500/4-400 Tall Version,

    Will work on 3-400Z, 3-500Z & ZG, and 4-400A

    Made in the USA

  9. HR6 Short Anode Plate Cap Heat radiator, fits 3-500Z/3-500ZG and 4-400A

    HR6 Short Anode Plate Cap Heat radiator, fits 3-500Z/3-500ZG and 4-400A

    $6.91 As low as: $5.95

    HR6-SHORT  Anode Plate Cap Heat radiator, short version 3-500Z & ZG, 4-400A

    Made in the USA
  10. HR2 Heat radiator, tube plate cap, finned

    HR2 Heat radiator, tube plate cap, finned

    $9.95

    Out of stock

    HR2 Heat radiator, tube plate cap, finned, MFR: Eimac 

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RF Parts Company
435 S PACIFIC ST
SAN MARCOS, CA, 92078, USA

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

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