NSN 5961-00-227-9770, 5961002279770
SEMICONDUCTOR DEVICE,DIODE

Federal Supply Classification: FSC 5961 - Semiconductor Devices and Associated Hardware
National Item Identification Number: NIIN 002279770
Codification Country: United States
Item Name Code: INC 20589
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5961-00-227-9770

National Stock Number (NSN) 5961-00-227-9770, or NIIN 002279770, (semiconductor device,diode) was assigned February 12, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 9 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 20, 1995, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 20589. [A TWO ELECTRODE SEMICONDUCTOR DEVICE HAVING AN ASYMMETRICAL VOLTAGE - CURRENT CHARACTERISTIC. MAY OR MAY NOT INCLUDE MOUNTING HARDWARE AND/OR HEATSINK. EXCLUDES:LIGHT EMITTING DIODE AND SEMICONDUCTOR DEVICE,PHOTO. FOR ITEMS CONTAINING MATERIAL SUCH AS SELENIUM AND COPPER OXIDE, SEE RECIFIER, METALLIC.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5961002279770 does not contain precious metals.

This NSN is associated to Schedule B 8541100070: diodes, other than photosensitve or led, with a maximum current of 0.5 a or less. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CURRENT RATING PER CHARACTERISTIC: (CTQX) 165.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
FUNCTION FOR WHICH DESIGNED: (AFZC) ZENER DIODE
MATERIAL: (MATT) GLASS ENCLOSURE
MATERIAL: (MATT) SILICON SEMICONDUCTOR
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: (CTSG) 175.0 CELSIUS AMBIENT AIR
MOUNTING METHOD: (AXGY) TERMINAL
OVERALL DIAMETER: (ADAV) 0.145 INCHES MAXIMUM
OVERALL LENGTH: (ABHP) 0.300 INCHES MAXIMUM
POWER RATING PER CHARACTERISTIC: (CTRD) 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-S-19500/356 GOVERNMENT SPECIFICATION
TERMINAL LENGTH: (ABJT) 1.500 INCHES MAXIMUM
TERMINAL TYPE AND QUANTITY: (TTQY) 2 UNINSULATED WIRE LEAD
TEST DATA DOCUMENT: (TEST) 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.).
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: (CTQN) 20.0 NOMINAL NOMINAL REGULATOR VOLTAGE
VOLTAGE TOLERANCE IN PERCENT: (CTQS) -5.0 TO 5.0
INCLOSURE MATERIAL: (ABBH) GLASS
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: (CTSG) 175.0 DEG CELSIUS AMBIENT AIR
VOLTAGE TOLERANCE IN PERCENT: (CTQS) -5.0/+5.0
MATERIAL: (MATT) UNABLE TO DECODE
MATERIAL: (MATT) GLASS INCLOSURE
SEMICONDUCTOR MATERIAL: (CTMZ) SILICON
POWER RATING PER CHARACTERISTIC: (CTRD) 5.0 WATTS SMALL-SIGNAL INPUT POWER, COMMON-COLLECTOR PRESET