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Technical Data Sheet
PartsTable / COMPONENT / 4-39919P
4-39919P ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include overall_length: 0.523 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.830 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: JUNCTION CONTACT, semiconductor_material: SILICON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-017-0383, 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
4-39919P
NSN: 5961-01-017-0383
FSC: 5961
CAGE: A2608 — BASTOGI SISTEMI SPA (ITA)
SPECIFICATIONS
overall_length0.523 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.830 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 PIN
specification/standard_data80131-RELEASE6367 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
internal_junction_configurationPNP
power_rating_per_characteristic160.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-01-017-0383
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 4-39919P MFR OEM CAPACITOR,FIXED,ELECTROLYTIC
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 2 PIN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
SEMICONDUCTOR MATERIAL: SILICON
•
OVERALL DIAMETER: 0.830 INCHES MAXIMUM IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
MOUNTING FACILITY QUANTITY: 2
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 PIN
INTERNAL CONFIGURATIONJUNCTION CONTACT
SEMICONDUCTOR MATERIALSILICON
OVERALL DIAMETER0.830 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MOUNTING METHODUNTHREADED HOLE(S)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
MOUNTING FACILITY QUANTITY2
OVERALL LENGTH0.523 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
174-20989-24Interchangeable
interchangeable cross-reference
interchangeable
2N6283Interchangeable
interchangeable cross-reference
interchangeable
801741-001Interchangeable
interchangeable cross-reference
interchangeable
2N6286Interchangeable
interchangeable cross-reference
interchangeable
RELEASE6367Interchangeable
interchangeable cross-reference
interchangeable
83-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-39919P?
4-39919P is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 4-39919P?
There are 17 known substitutes for 4-39919P: 174-20989-24, 2N6283, 801741-001 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-39919P?
4-39919P is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-017-0383. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026