2:1 Baluns/Ununs

DC Cable Noise Filter for Large Gauge Wire - 3" ID

DCCF-3
$39.95
In stock
1
Product Details
MPN: DCCF-3
Type: New
Country/Region of Manufacture: United States
RFI Range (MHz): 1-300 MHz
ID-B (in/mm): 3/76.2
OD-A (in/mm): 4/101.6
Height-C (in/mm): 1/25.4
Weight (oz/gm): 420 grams
Initial permeability: 1500

(4″ OD, 3″ ID hole), RFI Noise Suppression Range: 1-300 MHz

Excellent for large cables or multiple cables – use multiple cores for higher choking. Also useful when you need high turns count for high choking with large cable - works on large gauge DC power cables.

Note: put both positive and negative cables TOGETHER through the filter so that their differential currents cancel but their common mode currents are suppressed.

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2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).