? usa/canada: toll free: europe : (315) 432-8909 (800) 544-2414 +44 2392-232392 model a250n50 x 4 features: ? rohs compliant ? 250 watts ? dc - 2.2 ghz ? aln ceramic ? non-nichrome resistive element ? low vswr ? 100% tested description the A250N50X4 is high performance aluminum nitride (aln) chip termination intended as a cost compet itive alternative to beryllium oxide (beo). the termination is well suited to all cellular frequency bands such as; amps, gsm, dcs, pcs, phs and umts. the high power handling makes the part ideal for terminating circulators and for use in power combiners. the termination is also rohs compliant! general specifications resistive element thick film substrate aln ceramic terminal finish matte tin over nickel barrier operating temperature -50 to +200 c (see de rating chart) tolerance is 0.010?, unless otherwise specified. designed to meet of exceed applicable portions of mil-e-5400 . all dimensions in inches. electrical specifications resistance value: 50 ohms, 2% power: 250 watts frequency range: dc ? 2.2 ghz return loss > 20 db dc ? 2.2 ghz specification based on unit properly insta lled using suggested mounting instructions and a 50 ohm nominal impedance. specifications subject to change. outline drawing note: all dimensions are in inches 1 of 2 chip termination 250 watts, 50
usa/canada: toll free: europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 ? . model A250N50X4 typical performance: A250N50X4 a 250n50x4 power de-rating: mounting footprint and procedure: *actual performance could be limited by the solder properties of the application 2 of 2
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