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JANTX1N4963 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

JANTX1N4963: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, overall_length: 0.300 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.900 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, overall_diameter: 0.145 INCHES MAXIMUM IN, special_features: LEADS PER 97499-30-251. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-166-6739, 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
JANTX1N4963
NSN: 5961-00-166-6739
NIINs: 001666739, 013572361
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 MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.900 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
overall_diameter0.145 INCHES MAXIMUM IN
special_featuresLEADS PER 97499-30-251
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_characteristic294.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
NSN5961-00-166-6739
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 JANTX1N4963 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 16.0 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: 294.00 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 CHARACTERISTIC16.0 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 CHARACTERISTIC294.00 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 8
JAN1N4963Reference document
Same NSN cross-reference
Reference document — Secondary reference
UZ9299-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
SS4520Reference document
Same NSN cross-reference
Reference document — Secondary reference
353-9023-100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-S-19500/356Reference document
Same NSN cross-reference
Reference document — Secondary reference
925115-10BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JANTX1N4963?
JANTX1N4963 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace JANTX1N4963?
There are 8 known substitutes for JANTX1N4963: JAN1N4963, UZ9299-10, SS4520 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX1N4963?
JANTX1N4963 is cataloged in the U.S. Government catalog under NSN 5961-00-166-6739. 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.