Model E250N50X4 Flangeless Termination 250 Watts, 50 Description The E250N50X4 is high performance Aluminum Nitride (AlN) termination intended as a cost competitive 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 Features: Substrate AlN Ceramic Terminal Finish Matte Tin over Nickel Barrier RoHS Compliant Operating Temperature -50 to +200C (see de rating chart) 250 Watts Tolerance is 0.010, unless otherwise specified. Designed to meet of exceed applicable portions of MIL-E-5400. All dimensions in inches. DC 2.2GHz Electrical Specifications AlN Ceramic Resistance Value: 50 Ohms, 2% Non-Nichrome Resistive Power: 250 Watts Element Frequency Range: DC 2.2 GHz Low VSWR Return Loss > 20 dB DC 2.2 GHz Specification based on unit properly installed using suggested mounting instructions 100% Tested and a 50 ohm nominal impedance. Specifications subject to change. Outline Drawing UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES 1 of 2 USA/Canada: (315) 432-8909 Toll Free: (800) 544-2414 +44 2392-232392 Europe: Model E250N50X4 Typical Performance: E250N50X4 E250N50X4 Power De-rating: Mounting Footprint and Procedure: *Actual performance could be limited by the solder properties of the application 2 of 2 USA/Canada: (315) 432-8909 Toll Free: (800) 544-2414 Europe: +44 2392-232392