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Hammarlund MTC 150B, 19.5-150 pF, 3000V Single Section Air Variable Capacitor

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MPN:
MTC 150B
Condition:
Used
Shipping:
$8.00 (Fixed Shipping Cost)
  • Vintage Hammarlund MTC 150B single-section air variable capacitor. Nominal range 19.5–150 pF at 3000 V peak with approximately 0.070″ plate spacing. Rugged USA-made transmitting-style unit with 1/4″ shaft, ideal for HF amplifiers, antenna tuners, or classic radio restoration. Measures about 5″ long. Excellent condition for age. Perfect for ham radio builders and collectors seeking authentic Hammarlund quality components.
  • Vintage Hammarlund MTC 150B single-section air variable capacitor. Nominal range 19.5–150 pF at 3000 V peak with approximately 0.070″ plate spacing. Rugged USA-made transmitting-style unit with 1/4″ shaft, ideal for HF amplifiers, antenna tuners, or classic radio restoration. Measures about 5″ long. Excellent condition for age. Perfect for ham radio builders and collectors seeking authentic Hammarlund quality components.
  • Vintage Hammarlund MTC 150B single-section air variable capacitor. Nominal range 19.5–150 pF at 3000 V peak with approximately 0.070″ plate spacing. Rugged USA-made transmitting-style unit with 1/4″ shaft, ideal for HF amplifiers, antenna tuners, or classic radio restoration. Measures about 5″ long. Excellent condition for age. Perfect for ham radio builders and collectors seeking authentic Hammarlund quality components.
  • Vintage Hammarlund MTC 150B single-section air variable capacitor. Nominal range 19.5–150 pF at 3000 V peak with approximately 0.070″ plate spacing. Rugged USA-made transmitting-style unit with 1/4″ shaft, ideal for HF amplifiers, antenna tuners, or classic radio restoration. Measures about 5″ long. Excellent condition for age. Perfect for ham radio builders and collectors seeking authentic Hammarlund quality components.
$24.99
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Description

Hammarlund MTC 150B, 19.5-150 pF, 3000V Single Section Air Variable Capacitor

Key Specifications (from original Hammarlund catalogs and NSN data):
  • Capacitance: 19.5 pF minimum to 150 pF maximum (nominal; straight-line capacity characteristic). catalog/NSN values are the standard reference.
  • Voltage rating: 3000 V AC peak (“B” series rating). Some modern listings rate similar units to ~4000 V peak.
  • Plate spacing / air gap: approximately 0.070″ .
  • Plates: 31 total (typical for this model).
  • Construction: Single section, air dielectric, Isolantite/ceramic insulation, rounded-edge plates in many “B” versions, 1/4″ diameter round shaft.
  • Dimensions: Overall length ≈5.375″ (catalogs list frame length around 4-11/16″ behind panel; your 5″ × 2¾″ × 2″ is consistent including shaft/mounts).
  • Mounting: Panel or base (threaded studs common).
  • Terminals: Solder lugs/tabs.
  • Made by Hammarlund Mfg. Co., Inc., New York, USA (as marked on your unit).
These were designed as rugged transmitting/receiving variable capacitors for medium- to low-power HF/VHF use.
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