50 General Specifications Resistive Element: Substrate: Terminals: Resistance Value: Thick film Alumina ceramic Thick film silver 50 ohms, 2% Alumina Chip Terminations Alumina Terminations Chip Terminations Features Dimensions * DC - 6.0 GHz PART NUMBER * 10-40 Watts RFP-060120A25X50 A RY Notes: Tolerance is .010, unless otherwise specified. Operating temperature is -55C to +125C (see chart). Designed to meet or exceed applicable portions of MIL-E-5400. All dimensions are in inches. Specifications subject to change without notice. WIDTH LENGTH THK. A 0.060 0.120 0.025 0.030 0.100 0.200 0.025 0.030 0.250 0.250 0.040 0.040 RFP-100200A25X50 * Alumina Ceramic RFP-250250A4X50 * Non-Nichrome Resistive Element RFP-250375A4X50 0.250 0.375 0.040 0.040 RFP-375250A4X50 0.375 0.250 0.040 0.050 * Low VSWR RFP-375375A4X50 0.375 0.375 0.040 0.050 PR EL Outline Drawing IM * 100% Tested IN * Low Cost Note: See table for dimensions. VER. 12/5/01 Available on Tape and Reel for Pick and Place Manufacturing. 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 Alumina Chip Terminations Alumina Terminations Typical Performance PART NUMBER VALUE (OHM) POWER (WATTS) MAX VSWR FREQ. (GHz) RFP-060120A25X50 50 10 1.25:1 6.0 RFP-100200A25X50 50 20 1.25:1 6.0 RFP-250250A4X50 50 30 1.25:1 3.0 RFP-250375A4X50 50 40 1.25:1 3.0 RFP-375250A4X50 50 40 1.20:1 2.5 RFP-375375A4X50 50 40 1.20:1 2.5 RY A IN IM EL PR Suggested Mounting Procedures Power Derating .025 MIN. (2 PLACES) % OF RATED POWER 100 75 50 BOARD LOWER THAN LEAD. BOARD EVEN WITH LEAD. SUGGESTED STRESS RELIEF METHODS BOARD LOWER THAN LEAD. NOT RECOMMENDED APPLICATION SCALE: 25 0 BOARD HIGHER THAN LEAD. SCALE: 1. Make sure that the devices are mounted on flat surfaces (.001" under the device) to optimize the heat transfer. 25 50 75 100 HEAT SINK TEMPERATURE -- C 125 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 a 60/40 type solder with a controlled temperature iron (700F). Available on Tape and Reel for Pick and Place Manufacturing. 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