PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

037-243Semiconductor Device,diode

Miller Electric Mfg. Co. · NSN 5961-00-728-5309 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-728-5309 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-728-5309. Primary manufacturer part number: 037-243.
Features
  • Semiconductor Device,diode — FSC 5961
  • Power Rating Per Characteristic: 1.5 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 18.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Mounting Method: TERMINAL
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Voltage Tolerance in Percent: -5.0 TO 5.0
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 14.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 79.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-728-5309, 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 Miller Electric Mfg. Co.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 28 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-728-5309
Primary Part Number037-243
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMiller Electric Mfg. Co.
StatusCANCELLED
Power Rating Per Characteristic1.5 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic18.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Mounting MethodTERMINAL
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Voltage Tolerance in Percent-5.0 TO 5.0
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic14.00 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 79.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Terminal Length0.800 INCHES MINIMUM IN
Overall Diameter0.085 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5961-00-110-7859 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-160-54451902-0594 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
5961-00-231-3169 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
037-243 Miller Electric Mfg. Co. (USA)
1N3685 Diodes Inc Power Components Div (USA)
1N3685 Semiconductor Devices Inc (USA)
1N3685 Hug Electronics Corp (USA)
1N3685 C O D I Corp Dba Codi Semiconductor Inc (USA)
1N3685 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
1N3685 Semicon Components Inc (USA)
1N4746 American Power Devices Inc (USA)
1N3685 Micro Uspd Inc (USA)
MIL-S-19500/406 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3685 Trw Electronics and Defense Sector Rf Devices (USA)
1N3685 International Diode Corp (USA)
1N3685 Electronic Industries Association
PC5169-1 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
JANTX1N4471A Adelco Elektronik Gmbh (DEU)
585096-28 Raytheon Company Div Corp (USA)
28471-41108 Leonardo Mw Ltd (GBR)
876-14904-4 Alturdyne International (USA)
1N3685 Microsemi Corporation (USA)
1N3685 General Semiconductor Industries Inc (USA)
Related Parts
5961-00-110-7859INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-160-5445INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1902-0594
5961-00-231-3169INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-728-5309?

NSN 5961-00-728-5309 is a Semiconductor Device,diode, manufactured by Miller Electric Mfg. Co., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-728-5309?

NSN 5961-00-728-5309 has 33 cross-referenced part numbers: 037-243 (Miller Electric Mfg. Co.), 1N3685 (Diodes Inc Power Components Div), 1N3685 (Semiconductor Devices Inc), 1N3685 (Hug Electronics Corp), 1N3685 (C O D I Corp Dba Codi Semiconductor Inc) and 28 more.

What NSN replaces 5961-00-728-5309?

There are 3 known substitutes for 5961-00-728-5309: 5961-00-110-7859, 5961-00-160-5445, 5961-00-231-3169. Verify interchangeability with system specifications before substitution.

What are the specifications of 037-243?

Key specifications for 037-243: Power Rating Per Characteristic: 1.5 WATTS MAXIMUM TOTAL POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 18.0 MAXIMUM NOMINAL REGULATOR VOLTAGE; Mounting Method: TERMINAL; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-728-5309 still in active supply?

NSN 5961-00-728-5309 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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