Model 250250-4AAXX RoHS Compliant Surface Mount Attenuator 8 Watts General Specifications Resistive Element Thick film Substrate Beryllium oxide ceramic Terminals: Matte Tin over Nickel Electrical Specifications Attenuation Range: 1, 2, 3, 4, 5, 6, 9, or 10 dB Frequency Range DC 2.3 GHz Power: 8 Watts VSWR See Chart Note: Tolerance is 0.010, unless otherwise specified. Designed to meet of exceed applicable portions of MIL-E-5400. Operating temperature is -55C to Features: 150C (see chart for derating temperatures). DC 2.3 GHz All dimensions in inches. Specifications subject to change with out notice. 8 Watts BeO Ceramic Non-Nichrome Resistive Element Low VSWR 100% Tested RoHS Compliant Outline Drawing C A B 250250-4AAXX (097) Rev C USA/Canada: (315) 432-8909 Available on Tape Toll Free: and Reel For Pick and (800) 544-2414 Place Manufacturing. +44 2392-232392 Europe: Model 250250-4AAXX Typical Performance: Power De-rating: Mounting Footprint and Procedure: SUGGESTED MOUNTING PROCEDURES: MAKE SURE THAT THE DEVICES ARE MOUNTED ON 1. 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 & SECURE USING SOCKET HEAD SCREWS, FLAT & SPLIT WASHER. 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 APPROPROATE SOLDER WITH A CONTROLLED TEMPERATURE IRON. ** FOR MORE DETAILS CONTACT FACTORY ** 250250-4AAXX (097) Rev C USA/Canada: (315) 432-8909 Available on Tape and Reel For Pick and Place Toll Free: (800) 544-2414 Manufacturing. Europe: +44 2392-232392