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Technical Data Sheet
4400A ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The NETWORK,HYBRID CIRCUIT is a the manufacturer industrial component. Key specifications include overall_width: 22.000 INCHES NOMINAL IN, indicator_type: CATHODE RAY TUBE, overall_height: 17.250 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, frequency_rating: 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM, style_designator: RECTANGULAR OR SQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-237-4694, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 4400A
NSN: 6625-01-237-4694
FSC: 6625
CAGE: 88865 — KROHN-HITE CORP (USA)
SPECIFICATIONS
overall_width22.000 INCHES NOMINAL IN
indicator_typeCATHODE RAY TUBE
overall_height17.250 INCHES NOMINAL IN
overall_length7.000 INCHES NOMINAL IN
frequency_rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM
special_featuresFREQUENCY RANGE - 1 MHZ TO 40 GHZ; 1 GHZ NIST TRACEABLE PULSE CALIBRATOR; COLOR VGA DISPLAY; 1 MSA/SEC SAMPLING RATE; 14 AUTOMATIC MEASUREMENTS; PARALLEL PRINTER PORT GHz
style_designatorRECTANGULAR OR SQUARE
installation_designRACK
functional_descriptionNETWORK REPEATER UP CONVERTER
end_item_identificationRADIO COMMUNICATIONS LINK (RCL)
reference_data_and_literatureTABLE 4-5, TI-6540.3, PG 4-13
operating_voltage_rating_in_volts90.0 AC MINIMUM AND 260.0 AC MAXIMUM
NSN6625-01-237-4694
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NETWORK,HYBRID CIRCUIT TITLE COMPONENT PN 4400A MFR NETWORK,HYBRID CIRCUIT
KEY FEATURES
CURRENT TYPE: AC
OUTPUT IMPEDANCE RATING: 50.0 OHMS NOMINAL
PHASE: SINGLE
FREQUENCY RANGE RATING: +1.000 TO 110.000 HERTZ
VOLTAGE RATING: 90.0 VOLTS MINIMUM AND 132.0 VOLTS MAXIMUM
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT TYPEAC
OUTPUT IMPEDANCE RATING50.0 OHMS NOMINAL
PHASESINGLE
FREQUENCY RANGE RATING+1.000 TO 110.000 HERTZ
END ITEM IDENTIFICATIONB-52 ACFT AGE.
VOLTAGE RATING90.0 VOLTS MINIMUM AND 132.0 VOLTS MAXIMUM
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
CURRENT TYPEAC
OUTPUT IMPEDANCE RATING50.0 OHMS NOMINAL
PHASESINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4-400AInterchangeable
interchangeable cross-reference
interchangeable
4175Interchangeable
interchangeable cross-reference
interchangeable
4400A/CInterchangeable
interchangeable cross-reference
interchangeable
4400A-LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4400A?
4400A is a NETWORK,HYBRID CIRCUIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4400A?
There are 4 known substitutes for 4400A: 4-400A, 4175, 4400A/C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4400A?
4400A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-237-4694. This indicates validated use in U.S. government and defense supply chains.
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