Skip to main content

Texas Instruments REG1117A-2.5/2K5 Microcontrollers

1-A, 15-V, linear voltage regulator from -40°C to +125°C 4-SOT-223 -40 to 125

805 ActiveTexas InstrumentsREG1117ATO-261-4, TO-261AA$5.15
REG1117A-2.5/2K5 TO-261-4, TO-261AA package illustration

Same model may have multiple batches, images only for reference.

REG1117A-2.5/2K5
Manufacturer
Part Number (MPN)
REG1117A-2.5/2K5
Base Model
Detailed Description
1-A, 15-V, linear voltage regulator from -40°C to +125°C 4-SOT-223 -40 to 125
Package
TO-261-4, TO-261AA
Lifecycle Status
Active
Datasheet
PDF REG1117A-2.5/2K5 Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Ordering Code Family

REG1117A groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

3 ordering variants listed on the family page.

View all variants

Technical Specifications

Texas Instruments REG1117A-2.5/2K5 Microcontrollers technical specifications.

General

Series
REG1117A-25
RoHS
Yes
Package / Case
TO-261-4, TO-261AA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
15V
Output Current
1A
Quiescent Current
10 mA

Alternate Parts Comparison (REG1117A-2.5/2K5 vs REG1117A-2.5 vs REG1117A vs REG1117A/2K5)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
SeriesREG1117A-25REG1117AREG1117AREG1117A
Package / CaseTO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AA
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C
RoHSYesNoYesYes
Lifecycle StatusActiveActiveActiveActive
Line Regulation7 mV / V7 mV / V0.4 % / V0.4 % / V
Load Regulation10 mV10 mV0.4 %0.4 %
Max Input Voltage15V15V15V15V
Number of Outputs1111
Number of Regulators1111
Output ConfigurationPositivePositivePositivePositive
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.