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 rfp - 400 - xxxr - s features: ? dc ? 400 mhz ? 400 watts ? beo ceramic ? non-nichrome resistive element ? welded silver leads ? 100% tested flanged resistors 400 watts general specifications resistive element thick film substrate beryllium oxide ceramic cover alumina ceramic mounting flange copper, nickel plated per qq-n-290 leads 99% pure silver (.005? thick) electrical specifications resistance range: see chart frequency range; dc ? 0.50 ghz power: 400 watts capacitance: see chart tolerance is 0.010?, unless otherwise specified. designed to mee t of exceed applicable portions of mil-e-5400. operating temper ature is -55oc to 155oc (see chart for derating temperatures). all dimensions in inches. specifications subject to change with out notice. outline drawing 400-xxxr-s (097) rev b
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 rfp - 4 00 - x xx r - s specifications: part number frequency range value capacitance tollerance RFP-400-12R5R-S dc - 0.5 ghz 12.5 9.0 pf 5% rfp-400-33r-s dc - 0.5 ghz 33 9.0 pf 5% rfp-400-39r-s dc - 0.5 ghz 39 9.0 pf 5% rfp-400-50r-s dc - 0.5 ghz 50 9.0 pf 5% rfp-400-100r-s dc - 0.5 ghz 100 9.0 pf 5% rfp-400-150r-s dc - 0.5 ghz 150 9.0 pf 5% power de-rating: mounting footprint and procedure: not recommended application board lower than lead. than lead. board higher scale: none scale: none board even with lead. than lead. board lower suggested stress relief methods (2 places) .025 min. suggested mounting procedures: 1. make sure that the devices are mounted on flat surfaces (.001" under the device) to optimize the heat transfer. drill & tap the heatsink for the appropriate 2. thread size to be used. 3. coat heatsink with a minimum amount of high quality silicone grease (.001" max. thickness). 4. position device on mounting surface & secure using socket head screws, flat & split washer. torque screws to the appropriate value. make 5. sure that the device is flat against the heatsink. (care should be taken to avoid upward pressure of the leads towards the lid). solder leads in place using approproate solder with a controlled temperature iron. ** for more details contact factory ** 400-xxxr-s (097) rev b
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