PartsTable
Technical Data Sheet
RELEASE 4401 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include overall_length: 0.757 INCHES NOMINAL IN, mounting_method: THREADED STUD(S), terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, special_features: WEAPON SYSTEM ESSENTIAL. FEATURES - JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-007-7463, 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
RELEASE 4401
NSN: 5961-00-007-7463
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.757 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S)
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresWEAPON SYSTEM ESSENTIAL. FEATURES - JUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
thread_series_designatorUNF
mounting_facility_quantity1
NSN5961-00-007-7463
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 RELEASE 4401 MFR OEM RESISTOR,VARIABLE,WIRE WOUND,NON
KEY FEATURES
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
SEMICONDUCTOR MATERIAL: SILICON
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
CURRENT RATING PER CHARACTERISTIC: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 155.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
INTERNAL CONFIGURATION: JUNCTION CONTACT
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH1.500 INCHES MINIMUM IN
SEMICONDUCTOR MATERIALSILICON
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
CURRENT RATING PER CHARACTERISTIC1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC155.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2N2990Interchangeable
interchangeable cross-reference
interchangeable
3950Interchangeable
interchangeable cross-reference
interchangeable
2N3005Interchangeable
interchangeable cross-reference
interchangeable
2N2993Interchangeable
interchangeable cross-reference
interchangeable
RELEASE 4401Interchangeable
interchangeable cross-reference
interchangeable
2N2987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RELEASE 4401?
RELEASE 4401 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace RELEASE 4401?
There are 12 known substitutes for RELEASE 4401: 2N2990, 3950, 2N3005 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RELEASE 4401?
RELEASE 4401 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-007-7463. This indicates validated use in U.S. government and defense supply chains.
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