DA25 UHF Series
470-890 MHz, 25kW, Digital Air RF Loads
DA25 UHF Series, Digital Air Loads are forced air cooled loads that provide a fully self-contained and convenient means of dissipating large amounts of analog or digital RF power. Digital Air loads require no plumbing, pumps or complicated installation and setup procedures. The four fan design provides excellent cooling efficiency as well as extremely high reliability.
Model Matrix
| Model | Connector | AC Power |
|---|---|---|
| DA25F15 | 4-1/16″ Myat, Flanged | 115 VAC |
| DA25U15 | 4-1/16″ Myat, Unflanged | 115 VAC |
| DA25F30 | 4-1/16″ Myat, Flanged | 230 VAC |
| DA25U30 | 4-1/16″ Myat, Unflanged | 230 VAC |
| DA25-4F15 | 4-1/2″ IEC, Flanged | 115 VAC |
| DA25-4U30 | 4-1/2″ IEC, Unflanged | 230 VAC |
| Product | Description |
|---|---|
| Item No | DA25 UHF Series |
| Item Name | 470-890 MHz, DA Series, Digital Air Load |
| Power Rating | 25 kW |
| Frequency Range | 470-890 MHz, UHF |
| Impedance Ω | 50 |
| VSWR | 1.05:1 typical 1.10:1 maximum |
| Cooling Method | Forced Air-Cooled |
| Peak to Average Power | 13 dB |
| Temperature Range | -40° to +45°C (-40° to +113°F) |
| Interlock Contact Rating | 10A @ 120 VAC 5A @ 250 VAC |
| AC Power | 115V/230V/50-60 Hz |
| Connectors | See Model Matrix |
| Finish | Blue Powder Coat |
| Dimensions | 27” x 27” x 61” (686 x 686 x 1549 mm) |
| Weight | 245 lbs (111.13 kg) |
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