Model: R90B3N

Directional Coupler
Description:

7.750 inches overall length, 3.590 inches overall height, 1.400 inches overall width, bidirectional design type, waveguide unit type.

Special Features:

Aluminum alloy 6061-t6; iridite and paint; power 500.0 watts avg, a.0 kw peak; flanges are double ridged cover type

Properties:

Overall Length
7.750 inches
Overall Height
3.590 inches
Overall Width
1.400 inches
Design Type
Bidirectional
Unit Type
Waveguide
Voltage Standing Wave Ratio At Reference Frequency
1.10 to 1 at max freq rating
Power Loss In Decibels
30.0
Terminal Fitting Name
Coaxial connector; double ridged waveguide flange
Terminal Fitting Controlling Agency
Westinghouse electric corp
Terminal Fitting Identifying Number
Type n; part no. Mrc750c3; part no. Mrc750c2
Terminal Fitting Usage Design
Main line and main line and secondary line
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-031-3635
Part Number
R90B3N
Description
Coupler,directional
CAGE
06351

An item specifically designed to be inserted into a transmission line, waveguide or coaxial transmission line to provide a suitable test outlet. The test signal is attenuated to a predetermined value.

Part R90B3N NSN 5985-00-031-3635

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00384
FIIG:
T389-C
Concept No.:
App. Key:
CB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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