PartsTable
Technical Data Sheet
63221-1 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 3.344 INCHES NOMINAL IN, body_height: 3.375 INCHES NOMINAL IN, body_length: 4.125 INCHES NOMINAL IN, boss_height: 0.125 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 5961-00-449-1748, 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 63221-1
NSN: 5961-00-449-1748
FSC: 5961
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleMULTIPOLE-SINGLE ACTUATOR TYPE
body_width3.344 INCHES NOMINAL IN
body_height3.375 INCHES NOMINAL IN
body_length4.125 INCHES NOMINAL IN
boss_height0.125 INCHES NOMINAL IN
pole_quantity3
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.195 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
NSN5961-00-449-1748
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 63221-1 MFR OEM CIRCUIT BREAKER
KEY FEATURES
CURRENT RATING PER CHARACTERISTIC: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC: 0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
PRECIOUS MATERIAL: GOLD
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM GATE CURRENT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
OVERALL LENGTH0.210 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
PRECIOUS MATERIALGOLD
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
INTERNAL CONFIGURATIONJUNCTION CONTACT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM DRAIN TO GATE VOLTAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
F1800Interchangeable
interchangeable cross-reference
interchangeable
247ASC0279-001Interchangeable
interchangeable cross-reference
interchangeable
2N3971Interchangeable
interchangeable cross-reference
interchangeable
MILT45341Interchangeable
interchangeable cross-reference
interchangeable
KKK-T-2109Interchangeable
interchangeable cross-reference
interchangeable
2N3971AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63221-1?
63221-1 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 63221-1?
There are 14 known substitutes for 63221-1: F1800, 247ASC0279-001, 2N3971 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63221-1?
63221-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-449-1748. This indicates validated use in U.S. government and defense supply chains.
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