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LM340AT-12 — TO-220 package (representative)
TO-220
Representative of package type
Motorola

LM340AT-12

Linear Voltage Regulator · TO-220 · Analog
Part Status: Obsolete In demand
Data last refreshed Jul 31, 2026
Manufacturer
Motorola
Mfr Part #
LM340AT-12
Series
LM340
Category
Linear Voltage Regulator
Datasheet
View datasheet ↗
Availability & Pricing
Unit PriceRequest a Quote
Sourcing channels6
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Product Attributes

Electrical & Parametric
Output Voltage12 V
Output Current1 A
Physical & Thermal
Package / CaseTO-220
Mounting TypeThrough Hole
SeriesLM340
Operating Temperature0°C ~ 125°C
Classification & Lifecycle
CategoryLinear Voltage Regulator
TypeAnalog
Part StatusObsolete

12 V fixed positive linear regulator, 1 A, TO-220

Availability & Sourcing

6 sources
SourceMfrQtyDate CodeConditionStatus
Live Motorola 16 Live RFQ
Live NSC 6 Live RFQ
Live NSC 15 1991 Live RFQ
Market Motorola 16 Available RFQ
Market NSC 6 Available RFQ
Market NSC 15 1991 Available RFQ

ZDI Stock — in our warehouse · Market — offers available through our sourcing network · Live — recent offers from our sourcing network.

Part Activity

recent searches, RFQs & offers
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LM340AT-12 viewed on the web · Web User
LM340AT-12 viewed on the web · Web User
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Specifications reviewed & updated · ZDI

Recent search and sourcing activity for LM340AT-12.

Engineering FAQ

LM340AT-12 is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of LM340AT-12?
Output Voltage: 12 V; Output Current: 1 A.
What package is LM340AT-12 supplied in?
LM340AT-12 is supplied in the TO-220 package, through hole, rated 0°C ~ 125°C.
Can ZDI source LM340AT-12 beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
Source-country supplier analysis, rating & review
Incoming inspection, RoHS verification, bake, full lot traceability
ESD-controlled handling · authentic parts guaranteed

LM340AT-12 is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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