Model CB-6-1500 is a 6:1 (300:50) voltage balun housed in a Nema enclosure box (4″ x 4″ x 2″) with two top studs capable of input power levels up to 1.5KW PEP/500 watts continuous when used with a matched load. The 6:1 ratio takes 50 ohms input and matches to 300 ohms balanced output from 1.8-61 MHz with SWR < 1.5:1 under matched load conditions. A great balun for windoms, OCF antennas >60 feet over ground, Hertz and folded dipole antennas, T2FD etc. Dual core, Ruthroff style balun. Choose version with side eye bolts for wire attachments for OCF dipole use.
FT140-77, ID=.9", RFI Range .1-10 MHz, Pack of 10Product DetailsMPN: F140-77RFI Range (MHz): 100 KHz-10 MhzID-B (in/mm): .9/23OD-A (in/mm): 1.4/35.6Height-C (in/mm): .5/12.7Weight (oz/gm): 33 gramsInitial permeability: 2000A(L): 2250Ferrite Ring Toroid Core, ID = .9"/23mm, Mix 77. Excellent for low frequency switching power supplies. RFI range .1-50 MHz.
Bulk pack of 10.
FT140-77, ID=.9", RFI Range .1-10 MHz, Pack of 10
Product Details
MPN: F140-77
RFI Range (MHz): 100 KHz-10 Mhz
ID-B (in/mm): .9/23
OD-A (in/mm): 1.4/35.6
Height-C (in/mm): .5/12.7
Weight (oz/gm): 33 grams
Initial permeability: 2000
A(L): 2250
Ferrite Ring Toroid Core, ID = .9"/23mm, Mix 77. Excellent for low frequency switching power supplies. RFI range .1-50 MHz.
Bulk pack of 10.