PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U197Semiconductor Device,diode

Texas Instruments Incorporated · NSN 5961-00-981-1631 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-981-1631 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-981-1631. Primary manufacturer part number: U197.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • 6 verified cross-references
  • Primary manufacturer: Texas Instruments Incorporated
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-981-1631, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Texas Instruments Incorporated. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-981-1631
Primary Part NumberU197
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-045-9823153-0007-00 INTERCHANGEABLE
Semiconductor Device,diode
Tektronix, Inc.
5905-01-018-4513995-2A-2R2J INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5325-01-158-3167MR-187 INTERCHANGEABLE
Ring,retaining
Spirolox Inc
6515-01-497-69493868 INTERCHANGEABLE
Cannula Set,small Joint,arthrosc
Smith & Nephew Inc Div Sports Medicine/endoscopy/ent
Cross-Reference Index
Part NumberManufacturer
U197 Texas Instruments Incorporated (USA)
MR187 Motorola Inc. Dba Integrated Information Systems Group (USA)
3868 Renesas Electronics America Inc (USA)
3868 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
MR187 Freescale Semiconductor, Inc. (USA)
MR187 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Related Parts
5961-00-045-9823INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
153-0007-00
5905-01-018-4513INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
995-2A-2R2J
5325-01-158-3167INTERCHANGEABLE
RING,RETAINING
MR-187
6515-01-497-6949INTERCHANGEABLE
CANNULA SET,SMALL JOINT,ARTHROSC
3868

Frequently Asked Questions

What is NSN 5961-00-981-1631?

NSN 5961-00-981-1631 is a Semiconductor Device,diode, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-981-1631?

NSN 5961-00-981-1631 has 6 cross-referenced part numbers: U197 (Texas Instruments Incorporated), MR187 (Motorola Inc. Dba Integrated Information Systems Group), 3868 (Renesas Electronics America Inc), 3868 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), MR187 (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5961-00-981-1631?

There are 4 known substitutes for 5961-00-981-1631: 5961-00-045-9823, 5905-01-018-4513, 5325-01-158-3167 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U197?

Key specifications for U197: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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