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JANTX1N4981 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

JANTX1N4981: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, overall_length: 0.300 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MAXIMUM IN, overall_diameter: 0.145 INCHES NOMINAL IN, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-484-7131, 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
JANTX1N4981
NSN: 5961-00-484-7131
NIINs: 004847131, 011859229
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.300 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MAXIMUM IN
overall_diameter0.145 INCHES NOMINAL IN
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
function_for_which_designedZENER DIODE
specification/standard_data81349-MIL-S-19500/356 GOVERNMENT SPECIFICATION
voltage_tolerance_in_percent-5.0 TO 5.0
power_rating_per_characteristic5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic15.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
voltage_rating_in_volts_per_characteristic91.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
NSN5961-00-484-7131
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 JANTX1N4981 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 91.0 NOMINAL NOMINAL REGULATOR VOLTAGE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
•
OVERALL DIAMETER: 0.090 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 0.900 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
CURRENT RATING PER CHARACTERISTIC: 52.50 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/356 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC91.0 NOMINAL NOMINAL REGULATOR VOLTAGE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
OVERALL DIAMETER0.090 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
TERMINAL LENGTH0.900 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
OVERALL LENGTH0.140 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
CURRENT RATING PER CHARACTERISTIC52.50 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/356 GOVERNMENT SPECIFICATION
VOLTAGE TOLERANCE IN PERCENT-5.0 TO 5.0
FUNCTION FOR WHICH DESIGNEDZENER DIODE
SUBSTITUTES & CROSS-REFERENCES 7
925115-28BReference document
Same NSN cross-reference
Reference document — Secondary reference
UZ9299-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
5961PL1277697Reference document
Same NSN cross-reference
Reference document — Informative reference only
JAN1N4981Reference document
Same NSN cross-reference
Reference document — Secondary reference
SS4538Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-S-19500/356Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JANTX1N4981?
JANTX1N4981 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace JANTX1N4981?
There are 7 known substitutes for JANTX1N4981: 925115-28B, UZ9299-28, 5961PL1277697 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX1N4981?
JANTX1N4981 is cataloged in the U.S. Government catalog under NSN 5961-00-484-7131. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.