Model 4391 BNC Resistor Attenuator FEATURES: • Use to add series resistance to coaxial lines with BNC connectors. MATERIAL: Body and Fittings: Brass, Alloy 360, ½ Hard Center Contact: Male – Brass, Alloy 360, ½ Hard Female – Beryllium Copper per ASTM B196 and B197 Cond. HT Outer Contact: Beryllium Copper, per ASTM B196 and B197 Cond. HT Dielectric: Teflon per ASTM D1457 Gasket/Seals: Silicone rubber per ZZ-R-765, Class 11, Grade 50 Resistor: Non-inductive film resistor Finish: Body and Fittings: Tarnish resistant Center Contact: Male – Gold plated Outer Contact: Tarnish resistant Marking: “Pomona 4391-50 2W” “50 Ohm Attenuator” RATINGS: Operating Temperature: +102º C (+216º F) Max. Frequency Range: DC to 500 MHz Resistance Tolerance ±1% Power: 2W @ 25º C Max. ORDERING INFORMATION: Model 4391 See table above. All dimensions are in inches. Tolerances (except noted): .xx = ±.02” (,51 mm), .xxx = ± .005” (,127 mm). All specifications are to the latest revisions. Specifications are subject to change without notice. Registered trademarks are the property of their respective companies. USA: Sales: 800-490-2361 Fax: 425-446-5844 Technical Support: [email protected] Europe: 31-(0) 40 2675 150 International: 425-446-5500 Where to Buy: www.pomonaelectronics.com Rev: 100 D1094169 Page 1 of 1