PartsTable
Technical Data Sheet
2N656 ✓ 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: 0.772 INCHES MAXIMUM IN, transfer_ratio: 100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: THREADED STUD(S), terminal_length: 1.490 INCHES MINIMUM IN, overall_diameter: 0.390 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-087-1078, 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
2N656
NSN: 5961-00-087-1078
FSC: 5961
CAGE: 81350 — JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
overall_length0.772 INCHES MAXIMUM IN
transfer_ratio100.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTHREADED STUD(S)
terminal_length1.490 INCHES MINIMUM IN
overall_diameter0.390 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedMOUNTING HARDWARE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
mounting_facility_quantity1
overall_width_across_flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
NSN5961-00-087-1078
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 2N656 MFR OEM CAPACITOR,FIXED,ELECTROLYTIC
KEY FEATURES
INTERNAL CONFIGURATION: JUNCTION CONTACTJUNCTION CONTACT
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
MOUNTING METHOD: TERMINALTERMINAL
SEMICONDUCTOR MATERIAL: SILICONSILICON
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
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)
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN
INTERNAL CONFIGURATIONJUNCTION CONTACTJUNCTION CONTACT
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
MOUNTING METHODTERMINALTERMINAL
SEMICONDUCTOR MATERIALSILICONSILICON
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
POWER RATING PER CHARACTERISTIC4.0 WATTS MAXIMUM TOTAL POWER DISSIPATION4.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
1820833-1Interchangeable
interchangeable cross-reference
interchangeable
1489273-1Interchangeable
interchangeable cross-reference
interchangeable
JAN2N498Interchangeable
interchangeable cross-reference
interchangeable
7000-50Interchangeable
interchangeable cross-reference
interchangeable
2N656Interchangeable
interchangeable cross-reference
interchangeable
472936-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N656?
2N656 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 2N656?
There are 26 known substitutes for 2N656: 1820833-1, 1489273-1, JAN2N498 and 23 more. Substitute compatibility should be verified for your specific system.
Is 2N656 still available?
2N656 is currently cancelled.
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