PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM340T-12Microcircuit,linear

Texas Instruments Incorporated · NSN 5962-01-179-0509 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-179-0509 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-179-0509. Primary manufacturer part number: LM340T-12.
Features
  • Microcircuit,linear — FSC 5962
  • Design Function and Quantity: 1 REGULATOR, VOLTAGE
  • Maximum Power Dissipation Rating: 2.0 WATTS
  • Body Width: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
  • Body Length: 0.560 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Case Outline Source and Designator: T0-220 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
  • Body Height: 0.140 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 3 PIN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,linear, cataloged under National Stock Number 5962-01-179-0509, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Texas Instruments Incorporated. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-179-0509
Primary Part NumberLM340T-12
Item NameMicrocircuit,linear
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Design Function and Quantity1 REGULATOR, VOLTAGE
Maximum Power Dissipation Rating2.0 WATTS
Body Width0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
Body Length0.560 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Case Outline Source and DesignatorT0-220 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Body Height0.140 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Terminal Type and Quantity3 PIN
Terminal Surface TreatmentSOLDER
Input Circuit Pattern1 INPUT
Operating Temp Range+0.0 TO 125.0 CELSIUS DEGC
Features ProvidedMONOLITHIC AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS
Voltage Rating and Type Per Characteristic35.0 VOLTS MAXIMUM POWER SOURCE
Inclosure MaterialPLASTIC
Inclosure ConfigurationSINGLE-IN-LINE
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-01-016-26816010009-004 INTERCHANGEABLE
Microcircuit,linear
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
5962-01-073-8508156-0285-00 INTERCHANGEABLE
Microcircuit,linear
Tektronix, Inc.
5962-01-115-77131SPS330128 INTERCHANGEABLE
Microcircuit,linear
Bae Systems Information and Electronic Systems Integration Inc.
5962-01-198-8906C7296 INTERCHANGEABLE
Microcircuit,linear
Howell Instruments, Inc. Dba Howell Instruments Inc
Cross-Reference Index
Part NumberManufacturer
MC7812ACT Freescale Semiconductor, Inc. (USA)
0N270528 National Security Agency (USA)
LM340T-12 PRIMARY Texas Instruments Incorporated (USA)
MC7812ACT On Semiconductor Corporation (USA)
SG7812ACP Microsemi Corp Analog Mixed Signal Group (USA)
Related Parts
5962-01-016-2681INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6010009-004
5962-01-073-8508INTERCHANGEABLE
MICROCIRCUIT,LINEAR
156-0285-00
5962-01-115-7713INTERCHANGEABLE
MICROCIRCUIT,LINEAR
1SPS330128
5962-01-198-8906INTERCHANGEABLE
MICROCIRCUIT,LINEAR
C7296

Frequently Asked Questions

What is NSN 5962-01-179-0509?

NSN 5962-01-179-0509 is a Microcircuit,linear, manufactured by Texas Instruments Incorporated, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-179-0509?

NSN 5962-01-179-0509 has 5 cross-referenced part numbers: MC7812ACT (Freescale Semiconductor, Inc.), 0N270528 (National Security Agency), LM340T-12 (Texas Instruments Incorporated), MC7812ACT (On Semiconductor Corporation), SG7812ACP (Microsemi Corp Analog Mixed Signal Group).

What NSN replaces 5962-01-179-0509?

There are 4 known substitutes for 5962-01-179-0509: 5962-01-016-2681, 5962-01-073-8508, 5962-01-115-7713 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LM340T-12?

Key specifications for LM340T-12: Design Function and Quantity: 1 REGULATOR, VOLTAGE; Maximum Power Dissipation Rating: 2.0 WATTS; Body Width: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Body Length: 0.560 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN. 15 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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