8557P4

Fixed Attenuator

A device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion, by maintaining correct impedance match.

transmission line application design, round, terminal/terminals in opposite surface body style, 0.810 inches maximum overall diameter, 2.460 inches nominal overall length, 1.15 and 1.20 and 1.25 and 1.40 voltage standing wave ratio

Basic Details

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NSN

5985-01-054-4747

NIIN

01-054-4747

Item Name

Fixed Attenuator

Part Number

8557P4

Active

Federal Supply Class

5985 - Related Equipment, Waveguides and Antennas

Federal Supply Group

Electrical and Electronic Equipment Components

Assigment Date

01/21/1978 (47 years ago)

Item Name Code

14224

Technical Specifications

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Application Design: transmission line
Body Style: round, terminal/terminals in opposite surface
Overall Length: 2.460 inches nominal
Overall Diameter: 0.810 inches maximum
Voltage Standing Wave Ratio: 1.15 and 1.20 and 1.25 and 1.40
Input Impedance Rating In Ohms: 50.0
Output Impedance Rating In Ohms: 50.0
Coaxial Connector Series Designation: n
Power Rating: 2.0 watts average and 500.0 watts peak
Rf Signal Attenuation In Decibels: 20.0
Voltage Standing Wave Ratio Frequency Range: +0.0 to 4.0 gigahertz and +4.0 to 8.0 gigahertz and +8.0 to 12.4 gigahertz and +12.4 to 18.0 gigahertz
Connection Type Per Function: female input and male output
Mounting Method: connector
Terminal Type And Quantity: 2 connector
Frequency Range: 0.000 hertz minimum and 18.000 gigahertz maximum
Material: steel corrosion resisting body

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Cross Referenced Parts

Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: 8557P4

Part Number	CAGE	Manufacturer	RNCC	RNVC	RNAAC
388-20	34078	Cinch Connectivity Solutions Inc	C	1	ZZ
388-20DB	34078	Cinch Connectivity Solutions Inc	5	2	TX
8557P4	11332	General Microwave Corporation Div Kratos Microwave Electronics	3	2	TX

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