PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5221Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-004-1062 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-004-1062 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-004-1062. Primary manufacturer part number: 1N5221.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Material: GLASS ENCLOSURE
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Length: 1.250 INCHES NOMINAL IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-204AA
  • Voltage Rating in Volts Per Characteristic: 2.4 NOMINAL NOMINAL REGULATOR VOLTAGE
  • Current Rating Per Characteristic: 20.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
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 5961-01-004-1062, 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 Freescale Semiconductor, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-004-1062
Primary Part Number1N5221
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
MaterialGLASS ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Length1.250 INCHES NOMINAL IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-204AA
Voltage Rating in Volts Per Characteristic2.4 NOMINAL NOMINAL REGULATOR VOLTAGE
Current Rating Per Characteristic20.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
Voltage Tolerance in Percent-20.0 TO 20.0
Mounting MethodTERMINAL
Overall Diameter0.096 INCHES NOMINAL IN
Function for Which DesignedVOLTAGE REFERENCE
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-425-6311 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N5221 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-425-6311INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-004-1062?

NSN 5961-01-004-1062 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-004-1062?

NSN 5961-01-004-1062 has 1 cross-referenced part number: 1N5221 (Freescale Semiconductor, Inc.).

What NSN replaces 5961-01-004-1062?

There is 1 known substitute for 5961-01-004-1062: 5961-00-425-6311. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5221?

Key specifications for 1N5221: Material: SILICON SEMICONDUCTOR; Material: GLASS ENCLOSURE; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Length: 1.250 INCHES NOMINAL IN. 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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