PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5257ASemiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-169-6514 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-169-6514 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-169-6514. Primary manufacturer part number: 1N5257A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.022 INCHES MAXIMUM IN
  • Overall Diameter: 0.107 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Voltage Tolerance in Percent: -10.0 TO 10.0
  • Material: SILICON SEMICONDUCTOR
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Plastic Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-169-6514, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-169-6514
Primary Part Number1N5257A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.022 INCHES MAXIMUM IN
Overall Diameter0.107 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Voltage Tolerance in Percent-10.0 TO 10.0
MaterialSILICON SEMICONDUCTOR
Voltage Rating in Volts Per Characteristic33.0 NOMINAL REGULATOR VOLTAGE, DC
Power Rating Per Characteristic500.0 MILLIWATTS NOMINAL TOTAL POWER DISSIPATION
Current Rating Per Characteristic3.80 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 20214
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-112-7401JANC25TYPECP53B1DF504V INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Joint Electronics Type Designation System
3110-00-156-7572273829-221 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
2910-00-209-152820214 INTERCHANGEABLE
Weight,governor
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5120-00-228-9510 INTERCHANGEABLE
Wrench,box and Open End,combinat
2540-00-245-792020214 INTERCHANGEABLE
Heater,vehicular,compartment
Austin-Westran Llc
4730-00-289-0383 INTERCHANGEABLE
Adapter,straight,pipe to Tube
8010-00-958-81480214-323 INTERCHANGEABLE
Lacquer
Lighthouse for the Blind
5961-01-049-6935 INTERCHANGEABLE
Semiconductor Device,diode
5940-01-074-4474A373-74-5 INTERCHANGEABLE
Terminal,lug
Seastrom Manufacturing Co Inc
6515-01-159-9262202.014 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
1N5257A Freescale Semiconductor, Inc. (USA)
20214-2 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
1N5257B Freescale Semiconductor, Inc. (USA)
20214 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
5910-00-112-7401INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
JANC25TYPECP53B1DF504V
3110-00-156-7572INTERCHANGEABLE
BEARING,BALL,ANNULAR
273829-221
2910-00-209-1528INTERCHANGEABLE
WEIGHT,GOVERNOR
20214
5120-00-228-9510INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
2540-00-245-7920INTERCHANGEABLE
HEATER,VEHICULAR,COMPARTMENT
20214
4730-00-289-0383INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
8010-00-958-8148INTERCHANGEABLE
LACQUER
0214-323
5961-01-049-6935INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5940-01-074-4474INTERCHANGEABLE
TERMINAL,LUG
A373-74-5
6515-01-159-9262INTERCHANGEABLE
SCREW,BONE
202.014
4810-01-240-4938INTERCHANGEABLE
DISK,VALVE
20214
5365-01-379-0354INTERCHANGEABLE
SHIM
20214

Frequently Asked Questions

What is NSN 5961-01-169-6514?

NSN 5961-01-169-6514 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 5961-01-169-6514?

NSN 5961-01-169-6514 has 4 cross-referenced part numbers: 1N5257A (Freescale Semiconductor, Inc.), 20214-2 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 1N5257B (Freescale Semiconductor, Inc.), 20214 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5961-01-169-6514?

There are 12 known substitutes for 5961-01-169-6514: 5910-00-112-7401, 3110-00-156-7572, 2910-00-209-1528 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5257A?

Key specifications for 1N5257A: Material: PLASTIC ENCLOSURE; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Circle Diameter: 0.022 INCHES MAXIMUM IN; Overall Diameter: 0.107 INCHES MAXIMUM 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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