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JANTX1N2974B — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

JANTX1N2974B: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, overall_length: 1.253 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES IN, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-191-5386, 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
JANTX1N2974B
NSN: 5961-00-191-5386
NIINs: 001915386, 013588558
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
materialSILICON SEMICONDUCTOR
overall_length1.253 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
terminal_type_and_quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
function_for_which_designedVOLTAGE REGULATOR
specification/standard_data81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION
voltage_tolerance_in_percent-5.0 TO 5.0
NSN5961-00-191-5386
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 JANTX1N2974B MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 10.0 NOMINAL NOMINAL REGULATOR VOLTAGE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS CASE DEGC
•
MOUNTING FACILITY QUANTITY: 1
•
MOUNTING METHOD: THREADED STUD(S)
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
OVERALL WIDTH ACROSS FLATS: 0.505 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC10.0 NOMINAL NOMINAL REGULATOR VOLTAGE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS CASE DEGC
MOUNTING FACILITY QUANTITY1
MOUNTING METHODTHREADED STUD(S)
OVERALL LENGTH1.253 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
OVERALL WIDTH ACROSS FLATS0.505 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.190 INCHES IN
CURRENT RATING PER CHARACTERISTIC250.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 250.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION
SUBSTITUTES & CROSS-REFERENCES 9
338113-105Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1018913-077Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1N1593Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
395992-5Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
720670-18Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
395406-2Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JANTX1N2974B?
JANTX1N2974B is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace JANTX1N2974B?
There are 9 known substitutes for JANTX1N2974B: 338113-105, 1018913-077, 1N1593 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX1N2974B?
JANTX1N2974B is cataloged in the U.S. Government catalog under NSN 5961-00-191-5386. 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.