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Technical Data Sheet
X243-40MHZ ✓ Verified by PartsTable
· COMPONENT
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 OSCILLATOR,CRYSTAL CONTROLLED is a the manufacturer industrial component. Key specifications include overall_gain: 12.0 MILLIAMPERES, overall_width: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 0.425 INCHES NOMINAL IN, overall_length: 0.875 INCHES MAXIMUM IN, connection_type: PRINTED CIRCUIT BOTTOM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-01-156-8873, 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
X243-40MHZ
NSN: 5955-01-156-8873
FSC: 5955
CAGE: 57051 — XSIS ELECTRONICS INC (USA)
SPECIFICATIONS
overall_gain12.0 MILLIAMPERES
overall_width0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height0.425 INCHES NOMINAL IN
overall_length0.875 INCHES MAXIMUM IN
connection_typePRINTED CIRCUIT BOTTOM
basic_shape_styleRECTANGULAR OR SQUARE
storage_temp_range-55.0 TO 125.0 CELSIUS DEGC
installation_designMODULE
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
frequency_per_channel4.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL
average_life_measurementNOT RATED
NSN5955-01-156-8873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OSCILLATOR,CRYSTAL CONTROLLED TITLE COMPONENT PN X243-40MHZ MFR OSCILLATOR,CRYSTAL CON
KEY FEATURES
IDENTIFICATION DESIGNATOR: X243 AT 4.0MHZ-57051 MHz
BASIC SHAPE STYLE: RECTANGULAR OR SQUARE
OVERALL GAIN: 5.0 MILLIAMPERES
INSTALLATION DESIGN: MODULE
INCLOSURE TYPE: HERMETICALLY SEALED
SHOCK PULSE DURATION TIME: 1.0 MILLISECONDS MS
CIRCUIT CONSTRUCTION TYPE: SOLID STATE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.875 INCHES MAXIMUM IN
IDENTIFICATION DESIGNATORX243 AT 4.0MHZ-57051 MHz
BASIC SHAPE STYLERECTANGULAR OR SQUARE
OVERALL GAIN5.0 MILLIAMPERES
INSTALLATION DESIGNMODULE
INCLOSURE TYPEHERMETICALLY SEALED
SHOCK PULSE DURATION TIME1.0 MILLISECONDS MS
CIRCUIT CONSTRUCTION TYPESOLID STATE
SIGNAL VOLTAGE RATING PER CHANNEL0.200 VOLTS NOMINAL INPUT
CONNECTION CONTACT TYPE AND QUANTITY14 PRINTED CIRCUIT EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
119437FInterchangeable
interchangeable cross-reference
interchangeable
8934595-6Interchangeable
interchangeable cross-reference
interchangeable
534245-3Interchangeable
interchangeable cross-reference
interchangeable
14899-1Interchangeable
interchangeable cross-reference
interchangeable
X243/4.0MHZInterchangeable
Same NIIN cross-reference
interchangeable
X243 AT 4.0MHZInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X243-40MHZ?
X243-40MHZ is a OSCILLATOR,CRYSTAL CONTROLLED.
What parts can replace X243-40MHZ?
There are 7 known substitutes for X243-40MHZ: 119437F, 8934595-6, 534245-3 and 4 more. Substitute compatibility should be verified for your specific system.
Is X243-40MHZ still available?
X243-40MHZ is currently cancelled.
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