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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. PLCAP2  Ceramic Plate cap for tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 6LF6 / 8950 tubes

    PLCAP2 Ceramic Plate cap for tubes with plate diameter of 0.35": 6146B / 6146W / 6LQ6 / 6LF6 / 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

  2. Ceramic Plate Cap For 811A , 572B, 866, and 833 Tubes

    Ceramic Plate Cap For 811A , 572B, 866, and 833 Tubes

    $6.91

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

    Made in China

2 Item(s)