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A109542 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.190 INCHES NOMINAL IN, overall_height: 0.145 INCHES NOMINAL IN, overall_length: 0.190 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM 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 5961-01-071-3238, 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
A109542
NSN: 5961-01-071-3238
FSC: 5961
CAGE: 01220 — SYSTRON-DONNER CORP MICROWAVE/INSTRUMENT DIV (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.190 INCHES NOMINAL IN
overall_height0.145 INCHES NOMINAL IN
overall_length0.190 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 TAB, SOLDER LUG
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic30.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
NSN5961-01-071-3238
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 A109542 MFR OEM TRANSISTOR
KEY FEATURES
•
CURRENT RATING PER CHARACTERISTIC: 30.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
•
MOUNTING METHOD: TERMINAL
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 20.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 20.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 10.0 MAXIMUM ON-STATE DRAIN TO SOURCE VOLTAGE
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
INTERNAL CONFIGURATION: FIELD EFFECT
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING PER CHARACTERISTIC30.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
MOUNTING METHODTERMINAL
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC20.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 20.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 10.0 MAXIMUM ON-STATE DRAIN TO SOURCE VOLTAGE
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL WIDTH0.190 INCHES NOMINAL IN
INTERNAL CONFIGURATIONFIELD EFFECT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
OVERALL HEIGHT0.145 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
SEMICONDUCTOR MATERIALSILICON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2N4360Interchangeable
interchangeable cross-reference
interchangeable
10339Interchangeable
interchangeable cross-reference
interchangeable
SPF534Interchangeable
interchangeable cross-reference
interchangeable
SS3723Interchangeable
interchangeable cross-reference
interchangeable
109542Interchangeable
interchangeable cross-reference
interchangeable
111795Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A109542?
A109542 is a TRANSISTOR.
What parts can replace A109542?
There are 7 known substitutes for A109542: 2N4360, 10339, SPF534 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A109542?
A109542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-071-3238. 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