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Technical Data Sheet
LM340K12 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include body_width: 0.990 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN, body_height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, body_length: 1.439 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN, overall_height: 0.762 INCHES NOMINAL IN, features_provided: MONOLITHIC AND HERMETICALLY SEALED, inclosure_material: METAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-006-7942, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LM340K12
NSN: 5962-01-006-7942
FSC: 5962
CAGE: 27014 — NATIONAL SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
body_width0.990 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
body_height0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
body_length1.439 INCHES MINIMUM AND 1.573 INCHES MAXIMUM IN
overall_height0.762 INCHES NOMINAL IN
features_providedMONOLITHIC AND HERMETICALLY SEALED
inclosure_materialMETAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern1 INPUT
inclosure_configurationCAN
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 PIN
NSN5962-01-006-7942
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,LINEAR TITLE COMPONENT PN LM340K12 MFR MICROCIRCUIT,LINEAR
KEY FEATURES
INCLOSURE CONFIGURATION: CAN
BODY WIDTH: 1.050 INCHES MAXIMUM IN
FEATURES PROVIDED: MONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND FIXED AND INTERNALLY COMPENSATED
CASE OUTLINE SOURCE AND DESIGNATOR: T0-3 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
OPERATING TEMP RANGE: +0.0 TO 70.0 CELSIUS DEGC
INCLOSURE MATERIAL: GLASS AND METAL
MAXIMUM POWER DISSIPATION RATING: 4.0 WATTS
BODY LENGTH: 1.573 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE CONFIGURATIONCAN
BODY WIDTH1.050 INCHES MAXIMUM IN
FEATURES PROVIDEDMONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND FIXED AND INTERNALLY COMPENSATED
CASE OUTLINE SOURCE AND DESIGNATORT0-3 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
OPERATING TEMP RANGE+0.0 TO 70.0 CELSIUS DEGC
INCLOSURE MATERIALGLASS AND METAL
MAXIMUM POWER DISSIPATION RATING4.0 WATTS
BODY LENGTH1.573 INCHES MAXIMUM IN
STORAGE TEMP RANGE-65.0 TO 150.0 CELSIUS DEGC
INPUT CIRCUIT PATTERN1 INPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
75-68054-002Interchangeable
interchangeable cross-reference
interchangeable
402201Interchangeable
interchangeable cross-reference
interchangeable
BO2676777Interchangeable
interchangeable cross-reference
interchangeable
1700-0058Interchangeable
interchangeable cross-reference
interchangeable
UA7812DMQBInterchangeable
interchangeable cross-reference
interchangeable
3522 500 25658Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LM340K12?
LM340K12 is a MICROCIRCUIT,LINEAR.
What parts can replace LM340K12?
There are 14 known substitutes for LM340K12: 75-68054-002, 402201, BO2676777 and 11 more. Substitute compatibility should be verified for your specific system.
Is LM340K12 still available?
LM340K12 is currently cancelled.
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