PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N971BSemiconductor Device,diode

Itt Semiconductors a Division of International Telephone and Telegraph Corp · NSN 5961-01-172-0917 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-172-0917 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-172-0917. Primary manufacturer part number: 1N971B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Current Rating Per Characteristic: 11.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
  • Overall Diameter: 0.107 INCHES MAXIMUM IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-7
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 5961-01-172-0917, 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 Itt Semiconductors a Division of International Telephone and Telegraph Corp. Government technical data includes 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-172-0917
Primary Part Number1N971B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerItt Semiconductors a Division of International Telephone and Telegraph Corp
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Current Rating Per Characteristic11.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Overall Diameter0.107 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-7
Voltage Tolerance in Percent-5.0 TO 5.0
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-865-8625 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-878-4286 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N971B Itt Semiconductors a Division of International Telephone and Telegraph Corp (USA)
SZ50622KRL Freescale Semiconductor, Inc. (USA)
SZ50622KRL On Semiconductor Corporation (USA)
TD3810972 Microsemi Corporation (USA)
152-0147-00 Tektronix, Inc. (USA)
DZ790116B (1N971B) Microsemi Corp.-Scottsdale Dba Microsemi (USA)
Related Parts
5961-00-865-8625INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-878-4286INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-172-0917?

NSN 5961-01-172-0917 is a Semiconductor Device,diode, manufactured by Itt Semiconductors a Division of International Telephone and Telegraph Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-172-0917?

NSN 5961-01-172-0917 has 6 cross-referenced part numbers: 1N971B (Itt Semiconductors a Division of International Telephone and Telegraph Corp), SZ50622KRL (Freescale Semiconductor, Inc.), SZ50622KRL (On Semiconductor Corporation), TD3810972 (Microsemi Corporation), 152-0147-00 (Tektronix, Inc.) and 1 more.

What NSN replaces 5961-01-172-0917?

There are 2 known substitutes for 5961-01-172-0917: 5961-00-865-8625, 5961-00-878-4286. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N971B?

Key specifications for 1N971B: Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE. 14 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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