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Hammarlund dual section air variable capacitor, 22-56 pF per section, rated 7000 Volt Part # TCD-50-A

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MPN:
TCD-50-A
Condition:
Used
Shipping:
$14.00 (Fixed Shipping Cost)
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
  • Hammarlund TCD-50-A dual section air variable capacitor, approximately 22-56 pF per section, rated about 7000 V. Heavy-duty transmitting style unit roughly 7-1/2 inches long with 1/4 inch shaft and wide .175 inch air gap. Ideal for high-power RF amplifiers, antenna tuners, and ham radio projects. Features ceramic insulation and robust construction from the classic Hammarlund TCD series. Quality vintage American-made variable capacitor for reliable high-voltage performance. Available from Nationwide Radio & Eq. Sales.
$34.99
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Description

Hammarlund dual section air variable capacitor, 22-56 pF per section, rated 7000 Volt Part # TCD-50-A

Specifications:
  • Manufacturer: Hammarlund Mfg. Co., New York, U.S.A.
  • Model: TCD-50-A (TCD series split-stator / dual-section transmitting condenser)
  • Sections: 2 (dual / split-stator)
  • Capacitance range: Nominal 50 pF maximum per section (catalog); your measured values approximately 22–56 pF per section are consistent
  • Voltage rating: Approximately 6500–7000 V (catalog “A” series peak rating ~6500 V; unit labeled 7000 volts)
  • Plate spacing / air gap: Approximately 0.175–0.192 inches (unit labeled .175 air gap; catalog .192")
  • Plates per section: 11 (catalog)
  • Plate thickness: 0.040 inches, rounded edges
  • Shaft: 1/4 inch diameter
  • Overall length: Catalog ~6-5/8 inches (body); your measurement 7-1/2 inches (likely including shaft or mounting)
  • Other dimensions: Width ~5 inches, height ~3-1/4 inches
  • Construction: Heavy-duty transmitting style with ceramic insulation supports, robust metal frame, and horizontal tie rods
This is a classic high-voltage dual-section transmitting capacitor from Hammarlund’s TCD line, designed for RF amplifiers and similar high-power applications.
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