Model: 7490A20H01

Electrical Dummy Load

Properties:

Cooling System Coolant Flow Rate
0.75 gallons per minute
Overall Length
7.490 inches
Overall Width
3.500 inches
Body Diameter
3.000 inches
Impedance Rating In Ohms
50.0
Frequency Range Rating
+8.200/+12.400 gigahertz
Voltage Standing Wave Ratio
1.10
Power Rating
1.000 kilowatts average and 0.350 megawatts peak
Voltage Standing Wave Ratio Frequency Range
+8.200/+12.400 gigahertz
Termination Type
Waveguide flange
Waveguide Flange Designation
Ug-135/u
Intake Connection Thread Location
Internal
Discharge Connection Thread Location
Internal
Operating Position
All positions
Discharge Connection Thread Size And Series/type Designator
1/4-18 npt
Intake Connection Thread Size And Series/type Designator
1/4-18 npt
Internal Operating Pressure
10.0 pounds per square inch gage
Coolant Chamber Pressure
100.0 pounds per square inch gage
Input Coolant Temp
105.0 degrees fahrenheit
Rf Connector Changing Feature
Not included
Special Handling Feature
Radioactive
Cooling Method
Forced liquid
Style Designator
Waveguide mounted
NSN
5985-01-250-1239
Part Number
7490A20H01
Description
Dummy Load,electrical
CAGE
18323

A specific electrical element or set of electrical elements that are connected together to form a fixed arrangement and used as a substitute load for terminating an electrical circuit. A dummy load contains all the essential electrical characteristics necessary to terminate the circuit but does not function in the same manner as the load which it replaces. Examples are resistors used to replace antennas, batteries, loudspeakers, or the like. Includes single port terminations of twin lead, coaxial and waveguide transmission lines as low power terminations of a section of a transmission system in a specified manner. Includes dummy loads when arranged in a group or bank. Excludes power absorbers. See also load bank, electrical.

Part 7490A20H01 NSN 5985-01-250-1239

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00335
FIIG:
A19800
Concept No.:
App. Key:
A
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9030330080
  • SITC: 87475
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Other instruments and apparatus for measuring or checking power, without a recording device, nesoi

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