Coaxial Precision Fixed Attenuator 50Ω 40 dB BW-N40W50+ DC to 18 GHz The Big Deal CASE STYLE: GH1788 • High Power Handling, 50W • Excellent VSWR, 1.30 typ. • Wide Frequency Range, DC to 18 GHz Product Overview The BW-N40W50+ 40 dB precision fixed attenuator achieves outstanding flatness versus frequency from DC to 18 GHz while handling high power signals up to 50W. High power handling, excellent VSWR, and precise performance make the BW-N40W50+ ideal for a variety of test lab and system applications including high power measurement, high power termination, improving matching, test setups, and other functions demanding accurate attenuation and high power capability. Key Features Feature Advantages Wide Frequency Range DC to 18 GHz frequency range gives the BW-N40W50+ attenuator versatile application functionality. Excellent VSWR, 1.30 typ. Well-matched for 50Ω systems; reduces effects of phase variation. Flat attenuation Accurate performance within ±0.5 dB over the full frequency range. Rugged Construction Excellent durability for a long lifetime of use. Heat Dissipation Fins Designed to dissipate heat efficiently, the BW-N40W50+ requires no external cooling equipment. Compact Size (2.65” x 2.65” x 4.5”) Outstanding performance capability and power handling without prohibitive space constraints. 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] Page 1 of 2 Coaxial Precision Fixed Attenuator 50Ω 50W 40dB DC to 18 GHz Maximum Ratings Operating Temperature BW-N40W50+ Features -55°C to 100°C** Storage Temperature -55°C to 100°C **85°C with output into open or short. Permanent damage may occur if any of these limits are exceeded. • DC to 18 GHz • precise attenuation • excellent VSWR, 1.30 typ • passivated stainless steel N-type connectors • unidirectional CASE STYLE: GH1788 Connectors Model N-type BW-N40W50+ Applications Coaxial Connections IN (50W) N-Male OUT N-Female +RoHS Compliant • matching • instrumentation • test set-ups • high power measurements The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Electrical Specifications at 25°C Parameter Outline Drawing Condition (GHz) Min. Typ. Max. Unit DC — 18 GHz DC - 18 38.5 40.0 41.5 dB IN DC - 18 — — 1.45 OUT DC - 18 — — 1.5 DC - 18 — — 50 Frequency Range Attenuation VSWR Input Power1 :1 W 1. Max. power at 25°C ambient, derate linearly to 20W at 100°C. Peak power 500W max. 5µsec. pulse width, 100Hz PRF, input N-Male. 5W max. at N-Female. Outline Dimensions ( inch mm ) B 2.65 67.31 C D 2.65 4.50 67.31 114.30 E --- F 1.25 31.75 G .25 6.35 wt. grams 720.0 Typical Performance Data Frequency (GHz) 0.01 2.0 4.0 6.0 8.0 10.0 12.4 14.0 16.0 18.0 Simplified Electrical Schematic R2 MALE R1 R3 Attenuation (dB) FEMALE VSWR (:1) 39.86 40.14 40.18 40.03 39.97 39.87 39.56 39.46 39.33 39.23 BW-N40W50+ ATTENUATION OUT 1.01 1.07 1.07 1.07 1.14 1.16 1.10 1.17 1.13 1.26 1.23 1.24 1.26 1.12 1.29 1.32 1.10 1.18 1.06 1.15 BW-430W50+ VSWR 1.5 40.4 40.2 IN OUT 1.4 40.0 39.8 VSWR ATTENUATION (dB) IN 39.6 39.4 1.3 1.2 1.1 39.2 39.0 1.0 0 2 4 6 8 10 12 FREQUENCY (GHz) 14 16 18 0 2 4 6 8 10 12 FREQUENCY (GHz) 14 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] 16 18 REV. A M151107 BW-N40W50+ RS/CP 150623 Page 2 of 2