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| Model RFP-20-100RP Flanged Resistors 20 Watts, 100 Flanged Resistors General Specifications Resistive Element: Substrate: Cover: Mounting Flange: Lead(s): Thick film Beryllium oxide ceramic Alumina ceramic Copper, nickel plated per QQ-N-290 99.99% pure silver (.005" thk) Features * DC - 4.0 GHz * 20 Watts * BeO Ceramic * Welded Silver Leads * Non-Nichrome Resistive Element * 100% Tested Electrical Specifications Resistance Value: Frequency Range: Power: Capacitance: 100 ohms 5% DC - 4.0 GHz 20 Watts 1.2 pF 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. Outline Drawing .250 .125 .125 .116 DIA. THRU. .062 RFP .125 20-100 RP .122 .150 MAX. VER. 12/5/01 Sales Desk USA: Voice: (800) 544-2414 Fax: (315) 432-9121 Sales Desk Europe: Voice: (+44) 23 92 232392 Fax: (+44) 23 92 251369 .050 TYP. .515 1 Model RFP-20-100RP % OF RATED POWER Flanged Resistors 2 Typical Performance Power Derating Suggested Mounting Procedures .025 MIN. (2 PLACES) 100 75 50 25 0 25 50 75 100 125 150 BOARD LOWER THAN LEAD. BOARD EVEN WITH LEAD. BOARD LOWER THAN LEAD. BOARD HIGHER THAN LEAD. SUGGESTED STRESS RELIEF METHODS SCALE: NOT RECOMMENDED APPLICATION SCALE: 1. Make sure that the devices are mounted on flat surfaces (.001" under the device) to optimize the heat transfer. 2. Drill & tap the heatsink for the appropriate 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 and secure using socket head screws, flat & split washers. Torque screws to the appropriate value. Make sure that the device is flat against the heatsink. (Care should be taken to avoid upward pressure of the leads towards the lid). 5. Solder leads in place using an SN63 type solder with a controlled temperature iron (210C). CASE TEMPERATURE -- C Sales Desk USA: Voice: (800) 544-2414 Fax: (315) 432-9121 Sales Desk Europe: Voice: (+44) 23 92 232392 Fax: (+44) 23 92 251369 |
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