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.
  
Model 4391
BNC Resistor Attenuator
USA: Sales: 800-490-2361   
Fax: 425-446-5844
Technical Support: technicalsupport@pomonatest.com
Europe: 31-(0) 40 2675 150   
International: 425-446-5500
Where to Buy: www.pomonaelectronics.com
Rev: 100
D1094169
Page 1 of 1
FEATURES:
"   Use to add series resistance to coaxial lines
with BNC connectors.
MATERIAL:
Body and Fittings: Brass, Alloy 360, ?Hard
Center Contact: Male Brass, Alloy 360, ?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: +102?C (+216?F) Max.
Frequency Range: DC to 500 MHz
Resistance Tolerance ?%
Power: 2W @ 25?C Max.
ORDERING INFORMATION: Model 4391
See table above.