The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-421-2997, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-421-2997 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 51.0 NOMINAL NOMINAL REGULATOR VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Overall Width Across Flats | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT AND 185.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION |
| Specification/standard Data | 81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION |
| Voltage Tolerance in Percent | -5.0 TO 5.0 |
| Precious Material and Location | TERMINAL SURFACE OPTION GOLD |
| Test Data Document | 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | ANODE |
| Power Rating Per Characteristic | 10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JANTX1N2997BA | 5/9 Secondary reference Adelco Elektronik Gmbh |
| JANTX1N2997BA | C/1 Advisory reference — outside the item-of-supply concept Lacon Electronic Gmbh |
| TX1N2997B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| JANTX1N2997B | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-19500/124 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-19500/124 | 4/1 Identification reference U.S. Government activity |
| 338113-122 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5961-00-421-2997 is a Semiconductor Device,diode, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
Key specifications for 5961-00-421-2997: Voltage Rating in Volts Per Characteristic: 51.0 NOMINAL NOMINAL REGULATOR VOLTAGE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.