Bird - The RF Experts
DA25 VHF Series
DA Series, Digital Air RF Loads
DA25 VHF Series

0-240 MHz, 25kW, Digital Air RF Loads


DA25 VHF 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
DA25V3F15 3-1/8", Flanged 115 VAC
DA25V3U15 3-1/8", Unflanged 115 VAC
DA25V3F30 3-1/8", Flanged 230 VAC
DA25V3U30 3-1/8", Unflanged 230 VAC
DA25V4U15 4-1/2", Unflanged 115 VAC
DA25V4U30 4-1/2", Unflanged 230 VAC
DA Series, Digital Air RF Loads
DA25 VHF Series