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Technical Data Sheet
RA1681 ✓ 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 MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, features_provided: MONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND EXTERNALLY COMPENSATED AND ADJUSTABLE, precious_material: GOLD, inclosure_material: GLASS AND METAL, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC, operating_temp_range: -55.0 TO 125.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-493-6621, 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
RA1681
NSN: 5962-00-493-6621
FSC: 5962
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
features_providedMONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND EXTERNALLY COMPENSATED AND ADJUSTABLE
precious_materialGOLD
inclosure_materialGLASS AND METAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
body_outside_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
input_circuit_pattern3 INPUT
inclosure_configurationCAN
terminal_surface_treatmentGOLD
terminal_type_and_quantity10 PIN
design_function_and_quantity1 REGULATOR, VOLTAGE
NSN5962-00-493-6621
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,LINEAR TITLE COMPONENT PN RA1681 MFR MICROCIRCUIT,LINEAR
KEY FEATURES
PRECIOUS MATERIAL AND LOCATION: TERMINALS GOLD
TERMINAL TYPE AND QUANTITY: 10 PIN
FEATURES PROVIDED: MONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND EXTERNALLY COMPENSATED AND ADJUSTABLE
TIME RATING PER CHACTERISTIC: 2500.00 NANOSECONDS NOMINAL PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
MAXIMUM POWER DISSIPATION RATING: 800.0 MILLIWATTS
TEST DATA DOCUMENT: 49956-481032 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
DESIGN FUNCTION AND QUANTITY: 1 REGULATOR, VOLTAGE
INCLOSURE MATERIAL: GLASS AND METAL
TECHNICAL CHARACTERISTICS (FLIS)
PRECIOUS MATERIAL AND LOCATIONTERMINALS GOLD
TERMINAL TYPE AND QUANTITY10 PIN
FEATURES PROVIDEDMONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND EXTERNALLY COMPENSATED AND ADJUSTABLE
TIME RATING PER CHACTERISTIC2500.00 NANOSECONDS NOMINAL PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
MAXIMUM POWER DISSIPATION RATING800.0 MILLIWATTS
TEST DATA DOCUMENT49956-481032 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
DESIGN FUNCTION AND QUANTITY1 REGULATOR, VOLTAGE
INCLOSURE MATERIALGLASS AND METAL
TERMINAL SURFACE TREATMENTGOLD
BODY OUTSIDE DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
403194Interchangeable
interchangeable cross-reference
interchangeable
UA723LInterchangeable
interchangeable cross-reference
interchangeable
LM723HInterchangeable
interchangeable cross-reference
interchangeable
685796-1Interchangeable
interchangeable cross-reference
interchangeable
U5R7723312Interchangeable
interchangeable cross-reference
interchangeable
L123T2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA1681?
RA1681 is a MICROCIRCUIT,LINEAR.
What parts can replace RA1681?
There are 26 known substitutes for RA1681: 403194, UA723L, LM723H and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RA1681?
RA1681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-493-6621. This indicates validated use in U.S. government and defense supply chains.
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