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ProductsPower ManagementL4940V5
PACKAGE REFERENCETO-220Confirm case, pinout and ordering suffix before purchase.
MANUFACTURER PART RECORD

L4940V5

STMicroelectronics

The L4940V5 is an STMicroelectronics low-dropout regulator delivering a fixed 5 V output at up to 1.5 A in the through-hole TO-220 package, listed verbatim in the datasheet ordering table and currently sold through the ST eStore. The TO-220 tab bolts straight to a heatsink or chassis, which makes this long-running 5 V rail a practical choice for industrial controllers, automotive aftermarket equipment and legacy board repairs. Selection advice: the V5 suffix is the 5 V TO-220 code within the L4940 family — other family codes change the output voltage or the package, so quote the full L4940V5 code. Parameters verified against STMicroelectronics documentation.

Power ManagementLow-dropout regulatorTO-220
MPN
L4940V5
Manufacturer
STMicroelectronics
Family
Low-dropout regulator
Package
TO-220
Manufacturer channel coverage
Checked by RFQ
Data last checked
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Required order checks
Suffix, package, date code, lot, source and traceability
QUOTE WORKFLOW

Four checks before a commercial offer.

01

Identity

Exact MPN, manufacturer and suffix

02

Supply

Supplier type, quantity and freshness

03

Evidence

Lot, labels, photos and documents

04

Terms

Price, lead time, payment and shipping

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