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EF Johnson 154-15, 23pF - 150pF 4500 Volt Single Section Air Variable Capacitor

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MPN:
154-15
Condition:
Used
Shipping:
$10.00 (Fixed Shipping Cost)
  • EF Johnson 154-15 Single Section Air Variable Capacitor – 23-150 pF, 4500 Volt, 0.125″ plate spacing. Genuine E.F. Johnson compact Type E single air variable ideal for ham radio transmitters, amplifiers, and antenna tuners. Rugged aluminum construction with steatite insulation, approx. 8¼″ L × 2½″ W × 2½″ H, ¼″ shaft. Clean used condition. Perfect for vintage restoration or medium-power RF projects. Nationwide Radio & Eq. Sales – ke9pq.com
  • EF Johnson 154-15 Single Section Air Variable Capacitor – 23-150 pF, 4500 Volt, 0.125″ plate spacing. Genuine E.F. Johnson compact Type E single air variable ideal for ham radio transmitters, amplifiers, and antenna tuners. Rugged aluminum construction with steatite insulation, approx. 8¼″ L × 2½″ W × 2½″ H, ¼″ shaft. Clean used condition. Perfect for vintage restoration or medium-power RF projects. Nationwide Radio & Eq. Sales – ke9pq.com
  • EF Johnson 154-15 Single Section Air Variable Capacitor – 23-150 pF, 4500 Volt, 0.125″ plate spacing. Genuine E.F. Johnson compact Type E single air variable ideal for ham radio transmitters, amplifiers, and antenna tuners. Rugged aluminum construction with steatite insulation, approx. 8¼″ L × 2½″ W × 2½″ H, ¼″ shaft. Clean used condition. Perfect for vintage restoration or medium-power RF projects. Nationwide Radio & Eq. Sales – ke9pq.com
  • EF Johnson 154-15 Single Section Air Variable Capacitor – 23-150 pF, 4500 Volt, 0.125″ plate spacing. Genuine E.F. Johnson compact Type E single air variable ideal for ham radio transmitters, amplifiers, and antenna tuners. Rugged aluminum construction with steatite insulation, approx. 8¼″ L × 2½″ W × 2½″ H, ¼″ shaft. Clean used condition. Perfect for vintage restoration or medium-power RF projects. Nationwide Radio & Eq. Sales – ke9pq.com
  • EF Johnson 154-15 Single Section Air Variable Capacitor – 23-150 pF, 4500 Volt, 0.125″ plate spacing. Genuine E.F. Johnson compact Type E single air variable ideal for ham radio transmitters, amplifiers, and antenna tuners. Rugged aluminum construction with steatite insulation, approx. 8¼″ L × 2½″ W × 2½″ H, ¼″ shaft. Clean used condition. Perfect for vintage restoration or medium-power RF projects. Nationwide Radio & Eq. Sales – ke9pq.com
$27.99
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Description

EF Johnson 154-15, 23pF - 150pF 4500 Volt Single Section Air Variable Capacitor

Specifications & Information Genuine E.F. Johnson Co. (Waseca, MN) single-section air-variable capacitor, catalog/part number 154-15. measured / stated specs:
  • Sections: 1
  • Capacitance: 23–150 pF
  • Dimensions: Length 8¼″, Width 2½″, Height 2½″
  • Shaft: ¼″ diameter
Catalog correlation & additional specifications:

This is a Type E-series compact single-section unit. Published values for the 154-15 (and very close 154-15-1 variant) are 15–150 pF or 20–145 pF. Your measured 23–150 pF is an excellent match. Approximately 33 plates.Plate spacing / air gap: 0.125″ Voltage rating: 4,500 V peak Construction: Aluminum plates with rounded edges, heavy aluminum end frames and tie rods, dense molded steatite (ceramic) insulators, and a ¼″ shaft (often shafted both ends). Designed for medium-power RF service in transmitters, amplifiers, antenna tuners, and other ham-radio applications where a compact, high-Q variable with solid voltage handling is needed.Condition notes for ad (customize): Clean used. Free-turning shaft, good plate meshing, and intact steatite end pieces visible in the photos. Nameplate clearly reads 154-15.
 
 

 

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