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Technical Data Sheet
PartsTable / COMPONENT / MA43555M
MA43555M ✓ 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 SEMICONDUCTOR DEVICE SET is a the manufacturer industrial component. Key specifications include internal_configuration: JUNCTION CONTACT ALL SEMICONDUCTOR DEVICE DIODE, semiconductor_material: SILICON ALL SEMICONDUCTOR DEVICE DIODE, component_name_and_quantity: 2 TRANSISTOR, function_for_which_designed: VARACTOR DIODE, component_function_relationship: MATCHED, internal_junction_configuration: PN ALL SEMICONDUCTOR DEVICE DIODE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-320-0004, 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
MA43555M
NSN: 5961-01-320-0004
FSC: 5961
CAGE: 96341 — COBHAM ADVANCED ELECTRONIC SOLUTIONS INC. (USA)
SPECIFICATIONS
internal_configurationJUNCTION CONTACT ALL SEMICONDUCTOR DEVICE DIODE
semiconductor_materialSILICON ALL SEMICONDUCTOR DEVICE DIODE
component_name_and_quantity2 TRANSISTOR
function_for_which_designedVARACTOR DIODE
component_function_relationshipMATCHED
internal_junction_configurationPN ALL SEMICONDUCTOR DEVICE DIODE
current_rating_per_characteristic10.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC ALL SEMICONDUCTOR DEVICE DIODE
voltage_rating_in_volts_per_characteristic50.0 MAXIMUM BREAKDOWN VOLTAGE, DC ALL SEMICONDUCTOR DEVICE DIODE
maximum_operating_temp_per_measurement_point85.0 CELSIUS AMBIENT AIR ALL SEMICONDUCTOR DEVICE DIODE DEGC
NSN5961-01-320-0004
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 MA43555M MFR OEM SEMICONDUCTOR DEVICE SET
KEY FEATURES
•
INTERNAL CONFIGURATION: JUNCTION CONTACT ALL SEMICONDUCTOR DEVICE DIODE
•
INTERNAL JUNCTION CONFIGURATION: PN ALL SEMICONDUCTOR DEVICE DIODE
•
CURRENT RATING PER CHARACTERISTIC: 10.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC ALL SEMICONDUCTOR DEVICE DIODE
•
COMPONENT FUNCTION RELATIONSHIP: MATCHED
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 85.0 CELSIUS AMBIENT AIR ALL SEMICONDUCTOR DEVICE DIODE DEGC
•
FUNCTION FOR WHICH DESIGNED: VARACTOR DIODE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 50.0 MAXIMUM BREAKDOWN VOLTAGE, DC ALL SEMICONDUCTOR DEVICE DIODE
•
COMPONENT NAME AND QUANTITY: 2 TRANSISTOR
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CONFIGURATIONJUNCTION CONTACT ALL SEMICONDUCTOR DEVICE DIODE
INTERNAL JUNCTION CONFIGURATIONPN ALL SEMICONDUCTOR DEVICE DIODE
CURRENT RATING PER CHARACTERISTIC10.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC ALL SEMICONDUCTOR DEVICE DIODE
COMPONENT FUNCTION RELATIONSHIPMATCHED
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT85.0 CELSIUS AMBIENT AIR ALL SEMICONDUCTOR DEVICE DIODE DEGC
FUNCTION FOR WHICH DESIGNEDVARACTOR DIODE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC50.0 MAXIMUM BREAKDOWN VOLTAGE, DC ALL SEMICONDUCTOR DEVICE DIODE
COMPONENT NAME AND QUANTITY2 TRANSISTOR
SEMICONDUCTOR MATERIALSILICON ALL SEMICONDUCTOR DEVICE DIODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
900045Interchangeable
interchangeable cross-reference
interchangeable
131899Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92Interchangeable
interchangeable cross-reference
interchangeable
MS35265-30Interchangeable
interchangeable cross-reference
interchangeable
MS35461-28Interchangeable
interchangeable cross-reference
interchangeable
MS16995-54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA43555M?
MA43555M is a SEMICONDUCTOR DEVICE SET.
What parts can replace MA43555M?
There are 12 known substitutes for MA43555M: 900045, 131899, FF-S-92 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA43555M?
MA43555M is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-320-0004. 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