PartsTable
Technical Data Sheet
ST1800 ✓ Verified by PartsTable
· SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR STEEL OR STEEL CORROSION RESISTING BODY, gear_type: WORM, unit_type: CUTTING, design_type: SINGLE REDUCTION, total_ratio: 20 TO 1, overall_length: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-024-0569, 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
ST1800
NSN: 5961-00-024-0569
FSC: 5961
CAGE: 50891 — SEMICONDUCTOR TECHNOLOGY, INC. DBA SEMICONDUCTOR TECHNOLOGY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR STEEL OR STEEL CORROSION RESISTING BODY
gear_typeWORM
unit_typeCUTTING
design_typeSINGLE REDUCTION
total_ratio20 TO 1
overall_length0.375 INCHES NOMINAL IN
shaft_positionOUTPUT SHAFT EXTENDS TO LEFT AS VIEWED FROM DRIVER
mounting_methodUNTHREADED HOLE(S)
size_designator0.375 INCHES NOMINAL IN
input_shaft_typeSTRAIGHT
overall_diameter0.875 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
NSN5961-00-024-0569
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN ST1800 MFR OEM GEAR ASSEMBLY,SPEED DECREASER
KEY FEATURES
MOUNTING FACILITY QUANTITY: 2
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 150.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 250.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 500.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
CURRENT RATING PER CHARACTERISTIC: 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD AND 1 CASE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
OVERALL LENGTH0.375 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY2
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC250.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 500.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
CURRENT RATING PER CHARACTERISTIC5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD AND 1 CASE
INTERNAL CONFIGURATIONJUNCTION CONTACT
POWER RATING PER CHARACTERISTIC100.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
ST1800Interchangeable
interchangeable cross-reference
interchangeable
ST1820BInterchangeable
interchangeable cross-reference
interchangeable
423222Interchangeable
interchangeable cross-reference
interchangeable
0381-0678Interchangeable
interchangeable cross-reference
interchangeable
ST1100Interchangeable
interchangeable cross-reference
interchangeable
MJ1800Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST1800?
ST1800 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace ST1800?
There are 9 known substitutes for ST1800: ST1800, ST1820B, 423222 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1800?
ST1800 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-024-0569. This indicates validated use in U.S. government and defense supply chains.
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