PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N937BSemiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-00-181-0412 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-181-0412 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-181-0412. Primary manufacturer part number: 1N937B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-7
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Current Rating Per Characteristic: 7.50 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC
  • Overall Diameter: 0.092 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
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 5961-00-181-0412, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-181-0412
Primary Part Number1N937B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-7
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Current Rating Per Characteristic7.50 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Overall Diameter0.092 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Function for Which DesignedZENER DIODE
Voltage Rating in Volts Per Characteristic9.0 NOMINAL NOMINAL REGULATOR VOLTAGE
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialGLASS ENCLOSURE
Terminal Length1.000 INCHES MINIMUM IN
Voltage Tolerance in Percent-5.0 TO 5.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-988-1913 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-293-7617 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-565-1557 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N937B Freescale Semiconductor, Inc. (USA)
1539253-1 Honeywell International, Inc Div Aerospace-Tucson (USA)
1539253-1 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
5961-00-988-1913INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-293-7617INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-565-1557INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-181-0412?

NSN 5961-00-181-0412 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 5961-00-181-0412?

NSN 5961-00-181-0412 has 3 cross-referenced part numbers: 1N937B (Freescale Semiconductor, Inc.), 1539253-1 (Honeywell International, Inc Div Aerospace-Tucson), 1539253-1 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 5961-00-181-0412?

There are 3 known substitutes for 5961-00-181-0412: 5961-00-988-1913, 5961-01-293-7617, 5961-01-565-1557. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N937B?

Key specifications for 1N937B: Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-7; Overall Length: 0.300 INCHES MAXIMUM IN; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR. 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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