Emerson Network Power Connectivity Solutions extends
the Johnson line of products with the introduction of a range of
SMA Fixed Commercial Attenuators. This range of attenuators
is manufactured from non-inductive resistors making it an ideal
choice for customers who need to precisely adjust signal levels, in
applications that are under 2 watts. These attenuators are currently
available in stock in 1, 2, 3,6 and 10 db, and available in other
values on a made to order basis.
The important parameters associated with fixed attenuators
include the level of attenuation, the flatness over a specified
frequency range, VSWR, power-handling capability, package size,
and performance over a given temperature range. The average
power limit decreases linearly as temperature increases.
The Johnson line of rugged stainless steel fixed attenuators offers
industry leading quality and performance in addition to being
competitively priced.
Connectivity for
Business Critical Continuity
Johnson
SMA Fixed Attenuators
Key Features & Benefits
■ SMA connectors per MIL-STD-348A
■ Rugged Stainless Steel Construction
■ Hex body for torque wrench
tightening
■ Excellent VSWR and Flatness
■ Compact design
■ Ideal for automated test applications
SMA Fixed Attenuators
Commercial Series
ISO 9001:2000
Emerson Network Power.
The global leader in enabling
Business-Critical Continuity.
Outside Plant
Precision Cooling
Site Monitoring and Services
AC Power Systems
Connectivity
DC Power Systems
Embedded Power
Inbound Power
Integrated Cabinet Solutions
Emerson Network Power
Johnson Connectivity Solutions
299 Johnson Ave. Suite 100
Waseca, MN 56093
For product information:
www.EmersonNetworkPower.com/Connectivity
or call 800.247.8256
Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
©2009 Emerson Electric Co.
CFA309
Technical Specifications
Attenuation
(dB Normal)*
Frequency
Range
Stainless Steel
Passivated
1 (0-6 GHz) 141-3901-801
2 (0-6 GHz) 141-3901-802
3 (0-6 GHz) 141-3901-803
6 (0-6 GHz) 141-3901-806
10 (0-6 GHz) 141-3901-810
* Standard values shown. Contact factory for other requirements.
* Inches (millimeters)
Electrical Specifications
Impedance: 50 Ohms
Frequency Range: 0-6 GHz
Attenuation Values: 1, 2, 3, 6, and 10 dB Nominal*
Attenuation Accuracy:
dB* 0 - 4 GHz 4 - 6 GHz
1-3 ±0.3 ±0.5
4-6 ±0.4 ±0.5
7-10 ±0.5 ±0.5
VSWR Max:
dB* 0 - 2.5 GHz 2.5 - 4 GHz 4 - 6 GHz
1-3 1.15 : 1 1.20 : 1 1.25 : 1
4-6 1.15 : 1 1.20 : 1 1.25 : 1
7-10 1.15 : 1 1.25 : 1 1.30 : 1
Average Input Power: 2 W Max @ +25°C
Derated Linearly to 0.5W at +125°C
*Other values available, please contact Factory
Environmental Specifications
Temperature Range: -55°C to +125°C
Thermal Shock: MIL-STD-202, Method 107, Condition B
except +100°C high temperature)
Shock: MIL-STD-202, Method 213, Condition I
Vibration: MIL-STD-202, Method 204, Condition D
Mechanical Specifications
SMA Connectors: Per MIL-STD-348A
Material Specifications
Connector Body 303 Stainless Steel per ASTM A582, Passivated per MIL-F-14-72 (EL 300)
Coupling Nut 303 Stainless Steel per ASTM A582, Passivated per MIL-F-14-72 (EL 300)
Retaining Ring Beryllium Copper per ASTM B196, Unplated
SMA Plug Gasket Silcone Rubber per ZZ-R-765
Male Contact Brass per ASTM B16, Gold Plated per MIL-G-45204 (.00003 min)
Female Contact Beryllium Copper per ASTM B196, Gold Plated per MIL-G-45204
(.00003 min)
Insulators PTFE per ASTM D1710
Attenuator Card Alumina per Mil-I-10, RoHs Compliant Terminals
Competitor Cross Reference
Emerson Aeroflex/Inmet Huber+Suhner XMA
141-3901-801 1AHC-1 6601_SMA-50-2 2082-6346-01
141-3901-802 1AHC-2 6602_SMA-50-2 2082-6346-02
141-3901-803 1AHC-3 6603_SMA-50-2 2082-6346-03
141-3901-806 1AHC-6 6606_SMA-50-2 2082-6346-06
141-3901-810 1AHC-10 6610_SMA-50-2 2082-6346-10
