Coaxial Precision Fixed Attenuator 50Ω 2W Maximum Ratings Operating Temperature Storage Temperature 2dB -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-S2W2+ 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-S2W2+ Applications +RoHS Compliant • matching • instrumentation • test set-ups Outline Drawing The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications 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 2 ±0.40 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) 100.00 200.00 1,000.00 2,000.00 5,000.00 8,000.00 10,000.00 12,000.00 15,000.00 18,000.00 VSWR (:1) 1.82 1.91 1.85 1.86 1.90 1.92 1.93 1.98 2.03 2.07 1.00 1.00 1.01 1.02 1.02 1.20 1.05 1.08 1.16 1.22 Electrical Schematic BW-S2W2+ ATTENUATION R1 R3 FEMALE 1.3 2.0 1.2 VSWR MALE ATTENUATION (dB) R2 BW-S2W2+ VSWR 2.2 1.1 1.8 1.0 1.6 0 3000 6000 9000 12000 FREQUENCY (MHz) 15000 18000 0 3000 6000 9000 12000 15000 18000 FREQUENCY (MHz) 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] REV. E M151107 EE-7120 BW-S2W2 161130 Page 1 of 1