40 Watts General Specifications Resistive Element: Substrate: Cover: Lead(s): Flangeless Attenuators Model RFP-40-XXAPP Flangeless Attenuators Thick film Beryllium oxide ceramic Alumina ceramic 99.99% pure silver (.005" thk) Electrical Specifications Features Attenuation Value: * DC - 3.0 GHz * 40 Watts Frequency Range: Power: * BeO Ceramic 1, 2, 3, 4, 5, 6, 9, 10, 20 or 30 dB DC - 3.0 GHz 40 Watts Notes: Tolerance is .010, unless otherwise specified. Operating temperature is -55C to +150C (see chart). Designed to meet or exceed applicable portions of MIL-E-5400. All dimensions are in inches. Lead length 0.15" minimum. Specifications subject to change without notice. * Welded Silver Leads * Non-Nichrome Resistive Element * Low VSWR * 100% Tested Outline Drawing .070 .250 .250 .125 RFP 40-XX APP MAX. .050 TYP. .042 Note: XX denotes attenuation value. VER.12/4/01 Sales Desk USA: Voice: (800) 544-2414 Fax: (315) 432-9121 Sales Desk Europe: Voice: (+44) 23 92 232392 Fax: (+44) 23 92 251369 1 Flangeless Attenuators Model RFP-40-XXAPP Specifications PART NUMBER ATTENUATION (dB) TOL. (+/-dB) POWER (WATTS) VSWR FREQ. (GHz) RFP-40-1APP 1 0.50 40 1.20:1 3.0 RFP-40-2APP 2 0.50 40 1.20:1 3.0 RFP-40-3APP 3 0.50 40 1.20:1 3.0 RFP-40-4APP 4 0.50 40 1.20:1 3.0 RFP-40-5APP 5 0.50 40 1.20:1 3.0 RFP-40-6APP 6 0.50 40 1.20:1 3.0 RFP-40-9APP 9 0.75 40 1.35:1 3.0 RFP-40-10APP 10 0.75 40 1.35:1 3.0 RFP-40-20APP 20 0.50 40 1.20:1 3.0 RFP-40-30APP 30 1.00 40 1.20:1 3.0 Suggested Mounting Procedures Power Derating % OF RATED POWER .025 MIN. (2 PLACES) 100 75 BOARD LOWER THAN LEAD. 50 BOARD EVEN WITH LEAD. SUGGESTED STRESS RELIEF METHODS SCALE: 25 BOARD HIGHER THAN LEAD. BOARD LOWER THAN LEAD. NOT RECOMMENDED APPLICATION SCALE: 1. Make sure that the devices are mounted on flat surfaces (.001" under the device) to optimize the heat transfer. 0 25 50 75 100 125 CASE TEMPERATURE -- C 150 2. Position device on mounting surface and solder in place using an indalloy type or an SN63 type solder. 3. Solder leads in place using an SN63 type solder with a controlled temperature iron (210C). 2 Sales Desk USA: Voice: (800) 544-2414 Fax: (315) 432-9121 Sales Desk Europe: Voice: (+44) 23 92 232392 Fax: (+44) 23 92 251369