Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN17 sourced attributes1 source document

Texas Instruments · exact orderable part

LM2940CT-12

IC REG LINEAR 12V 1A TO220-3

Voltage - Input (Max): 26V
Voltage - Output (Min/Fixed): 12V
Current - Output: 1A
Voltage Dropout (Max): 0.8V @ 1A
Current - Quiescent (Iq): 10 mA
PSRR: 66dB (120Hz)
Output Type: Fixed
Protection Features: Over Current, Over Temperature, Reverse Polarity, Short Circuit
Base Product Number: LM2940

Original manufacturerCommercial terms confirmed per lot

ManufacturerTexas Instruments

Package / caseTO-220-3

Mounting typeThrough Hole

PackingTube

Technical parameters

Technical specifications

17 normalized values · 1 validated source

LM2940CT-12 technical parameters
Parameter	Value
Base Product Number	LM2940 [1]
Current - Output	1A [1]
Current - Quiescent (Iq)	10 mA [1]
Current - Supply (Max)	15 mA [1]
Mfr	Texas Instruments [1]
Mounting Type	Through Hole [1]
Number of Regulators	1 [1]
Operating Temperature	0°C~125°C [1]
Output Configuration	Positive [1]
Output Type	Fixed [1]
PSRR	66dB (120Hz) [1]
Product Status	Not For New Designs [1]
Protection Features	Over Current, Over Temperature, Reverse Polarity, Short Circuit [1]
Voltage - Input (Max)	26V [1]
Voltage - Output (Min/Fixed)	12V [1]
Voltage Dropout (Max)	0.8V @ 1A [1]
Package / Case	TO-220-3 [1]

Catalog relationships

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

Related exact parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.