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James Millen 12935, 12-33 pF 3000V Single Section Air Variable Capacitor NOS

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MPN:
12935
Condition:
New
Shipping:
$9.00 (Fixed Shipping Cost)
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
  • Vintage James Millen 12935 single-section air variable capacitor, 12–33 pF. Features 1/8-inch plate spacing, 1/4-inch shaft, heavy aluminum plates, and ceramic insulating bars with Millen logo. Measures approximately 5½" long × 2⅜" wide × 2½" high.(not counting the stand off length) Rated approximately 3000 V peak. Excellent for classic radio restoration, HF/VHF transmitters, antenna tuners, or experimental RF work. Smooth dual-bearing operation and steatite-style standoffs. Quality used Millen transmitting-style single-section variable capacitor perfect for boat-anchor builders and collectors of vintage radio components.
$27.99
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Description

James Millen 12935, 12-33 pF 3000V Single Section Air Variable Capacitor NOS

Key Specifications & Information
  • Brand: James Millen (Malden, Mass.)
  • Model: 12935 (part of the Millen 12000-series transmitting condensers)
  • Type: Single-section air dielectric variable capacitor
  • Capacitance: 12 pF minimum to 33 pF maximum (catalog listings for this model typically show approximately 10–37 pF)
  • Plate spacing: 1/8 inch (matches the wider-gap version in the original Millen 12000-series specifications)
  • Shaft: 1/4-inch diameter
  • Dimensions: Length 5½ inches, Width 2⅜ inches, Height 2½ inches
  • Construction: Heavy (.040") aluminum plates, ceramic (Isolantite/steatite) insulating bars and mounting feet, dual end frames with Millen logo and “JAMES MILLEN MALDEN MASS” marking. Designed as a compact, rugged transmitting condenser.
Voltage Rating: Approximately 3000 V peak (per original Millen catalog data for the 12935 with ~0.176" / 1/8-inch air gap). Suitable for moderate-power transmitting service as well as receiving applications.This is a classic high-quality Millen single-section variable ideal for HF/VHF transmitters, amplifiers, antenna tuners, or experimental RF projects requiring higher voltage capability.
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