available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 432-8909 (800) 544-2414 +44 2392-232392 model c40 a 50z4 features: ? 40 watts ? lowest cost ? rohs compliant ? alumina ceramic ? non-nichrome resistive element ? low vswr ? 100% tested surface mount termination 40 watts, 50 ? ? ? ? description the C40A50Z4 is a high performance rohs compliant alumina (al2o3) surface mount termination intended as a lower cost alternative to aluminum nitride (ain) and beryllium oxide (beo). the smd 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 90o hybrids, directional couplers, and for use in isolators. general specifications resistive element thick film substrate alumina ceramic terminal finish tin over nickel operating temperature -55 to +125 c (see 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: 40 watts frequency range: 1khz ? 2.3ghz v.s.w.r.: <1.20:1 specification based on unit properly installed using suggested mounting instructions and a 50 ohm nominal impedance. specifications subject to change without notice outline drawing a50z4 c40 glass coating location of protective hatched area indicates back view top view side view dimensions in inches [millimeters] 0.375 [9.52] 0.375 [9.52] 0.060 [1.52] 0.003 [0.08] typ. 0.070 [1.78] 0.030 [0.76] 0.050 [1.27] 0.113 [2.87] 0.050 [1.26] rf in rev. 5/13/05
usa/canada: toll free: europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 available on tape and reel for pick and place manufacturing. model C40A50Z4 typical performance: power de-rating: tape & reel: a50z4 c40 despooling direction .472 [11.99] .157 [3.99] .079 [2.01] .453 [11.51] .069 [1.75] rf in .945 [24.00] .413 [10.49] .413 [10.49] .080 [2.03] ?.059 [?1.50] .013 [0.33] dimensions in inches [millimeters] mounting footprint and procedure: 50 ohm line 0.040 [1.02] 0.255 [6.48] 0.450 [11.43] ?0.101 [?2.57] 2x 4-40 screw hole dimension given in inches [millimeters] for best thermal performance the pcb should be soldered to the heat sink. 0.067 [1.70] 0.040 [1.02] ?0.020 [?0.51] 0.040 [1.02] a50z4 c40 1. drill thermal vias through pcb and fill with solder. 2. to ensure good thermal connectivity to heat sink, which is critical for proper operation drill and tap heatsink and mount pcb to heat sink using screws. solder paste heatsink solder filled via screw (2 pls.) mounting procedure pc board
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