Coaxial Precision Fixed Attenuator 50Ω 2W Maximum Ratings Operating Temperature Storage Temperature 12dB -55°C to 100°C -55°C to 100°C** **With mated connectors. Unmated, 85°C max. Permanent damage may occur if any of these limits are exceeded. BW-S12W2+ DC to 18000 MHz Features • DC to 18000 MHz • precise attenuation • excellent VSWR, 1.20 typ. • stainless steel SMA male and female connectors CASE STYLE: FF658 Connectors Model SMA Female-SMA Male BW-S12W2+ +RoHS Compliant Applications The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications • matching • instrumentation • test set-ups Outline Drawing Electrical Specifications FREQ. RANGE (MHz) Outline Dimensions ( inch mm ) B .36 9.14 D .85 21.59 E .312 7.92 ATTENUATION1 (dB) VSWR2 (:1) DC-4 GHz 4-8 GHz 8-12.4 GHz fL--fU Nom. ACCURACY Max. Max. Max. DC-18000 12 ±0.60 1.20 1.25 1.30 MAX. INPUT POWER3 (W) 2 1. At 25°C, accuracy includes frequency and power variations. Temperature coefficient for attenuation: .0004dB/dB/°C typ. 2. VSWR from 12.4 to 18 GHz, 1.6:1 typ. 3. Average power at 25°C ambient, derate linearly to 0.5W at 100°C. Peak Power 125W max. 5µsec pulse width, 100 Hz PRF F wt .312 grams 7.92 4.3 Typical Performance Data Frequency (MHz) Attenuation (dB) VSWR (:1) 100.00 199.90 1000.00 1999.90 5000.00 11.78 11.76 11.82 11.85 11.94 1.03 1.02 1.03 1.03 1.05 7999.90 9999.90 12400.10 15000.00 18000.00 11.99 12.01 12.10 12.09 12.31 1.10 1.14 1.22 1.38 1.68 Electrical Schematic R3 FEMALE BW-S12W2+ VSWR 1.8 12.3 1.7 12.2 1.6 VSWR R1 ATTENUATION (dB) R2 MALE BW-S12W2+ ATTENUATION 12.4 12.1 12.0 11.9 1.5 1.4 1.3 1.2 11.8 1.1 1.0 11.7 0 3000 6000 9000 12000 15000 18000 FREQUENCY (MHz) 0 3000 6000 9000 Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] 12000 15000 18000 FREQUENCY (MHz) REV. E M151107 EE-7120 BW-S12W2 161130 Page 1 of 1