R Core Transformers

R core transformer is a new kind of dry-type transformer. The magnetic core of R core transformer is made of a continuous silicon steel strip, and the cross-section is round. R core transformer has the advantages of low noise, low flux leakage, low no-load current, low loss, and high efficiency, which requires less copper for each turn. It has greater explosive power than a toroidal transformer. The bobbins of the R core transformer are made of PBT plastic, which has strong dielectric strength and fire resistance. R core transformer is widely used in industrial control, home appliances, hi-fi audio equipment, signal equipment, office device, communication apparatus, test instrument, and medical instruments.


  • Wattage: 5VA to 1000VA
  • Input: dual primaries, 115V, 230V, 277V
  • Output: 9V 12V 15V 18V 20V 24V
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