5:1 CUBE™ Unun – Model CU-5-1500 (50:250 Ohm, 1.8-61 MHz, 1.5KW PEP)
Application. For traveling wave, end fed or portable 20-31 foot vertical antennas the 5:1 unun makes a good transformer for converting 50 ohm coax to a 250 ohm feed point. If you use the antenna on multiple bands, the feed point impedance may not always be 250 ohms and use of the unun at high (>350 ohms) or low (<100 ohms) will require reduced power input or the unun may have its power ratings exceeded and damage to the unun may occur. The (5:1 conversion ratio will change for loads other than 250 ohms unbalanced.
Typical application:
Also available as a balanced output – CB-5-1500
Aquarium AC Filter for Heater, Water/Oxygen Pump RFIProduct DetailsMPN: AACF-1.4Type: NewCountry/Region of Manufacture: United StatesRFI Range (MHz): 150 KHz to 10 MHzID-B (in/mm): 1.4/35.6OD-A (in/mm): 2.4/61Height-C (in/mm): 5/12.7Weight (oz/gm): 106 gramsInitial permeability: 5000Bothered by RFI/EMI from your aquarium pumps or heaters? If so use this filter on the AC power cord of each heater/pump to suppress the interference. Fits standard 120VAC AC plug
(2.4″ OD, 1.4″ ID hole), RFI Noise Suppression Range: 150 KHz-10 MHz, MIx 75
Excellent for standard 2 or 3 wire AC cables or multiple cables – use multiple cores in series for higher RFI suppression. Also useful when you need high turns count for high choking with large cable - works on all 120/240 and lower AC voltages.
Note: Wire shown for application purpose, NOT included with purchase.
If you want the AC chord with standardized AC plug, preassembled on the ferrite filter, see part# AC-CHOKE-6
Bothered by RFI/EMI from your aquarium pumps or heaters? If so use this filter on the AC power cord of each heater/pump to suppress the interference. Fits standard 120VAC AC plug
(2.4″ OD, 1.4″ ID hole), RFI Noise Suppression Range: 150 KHz-10 MHz, MIx 75
Excellent for standard 2 or 3 wire AC cables or multiple cables – use multiple cores in series for higher RFI suppression. Also useful when you need high turns count for high choking with large cable - works on all 120/240 and lower AC voltages.
Note: Wire shown for application purpose, NOT included with purchase.
If you want the AC chord with standardized AC plug, preassembled on the ferrite filter, see part# AC-CHOKE-6
