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  • The L4941 is a three terminal 5V positive regulators available in TO-220 and DPAK packages, making it useful in a wide range of industrial and consumer applications. Thanks to its very low input/output voltage drop, these devices are particularly suitable for battery powered equipments, reducing consumption and prolonging battery life. It employs internal current limiting, antisaturation circuit, thermal shut-down and safe area protection.

    Key Features

    • Low dropout voltage (450mV typ. at 1A)
    • Thermal shutdown
    • Very low quiescent current
    • Reverse polarity protection
    • Short circuit protection

Circuit Diagram

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Sample & Buy

Part Number
Package
Packing Type
Output Voltage (V) (nom)
Output Tolerance (typ)
Output Current (A) (nom)
Marketing Status
Budgetary Price (US$)*
Quantity
More info
Order from Distributors
Order from ST
L4941BV TO-220 Tube 5 4 1
Active
0.406 10000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofL4941BV

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1911 1 Order Now
RS COMPONENTS EUROPE 1752 1 Order Now
AVNET AMERICA 511 0 Order Now
FUTURE WORLDWIDE 676 1 Order Now
ARROW EUROPE 5585 0 Order Now
Newark Element14 AMERICA 8 0 Order Now
ARROW AMERICA 2235 1000 Order Now
MOUSER WORLDWIDE 2995 1 Order Now
Farnell Element14 EUROPE 938 1 Order Now
ANGLIA Live EUROPE 1680 1 Order Now

Distributor reported inventory date: 2019-12-04

Distributor Name

DIGIKEY

Stock

1911

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1752

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

511

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

676

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

5585

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

8

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2235

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

2995

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

938

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

1680

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-12-04

Buy now
L4941BDT-TR DPAK Tape And Reel 5 4 1
Active
0.568 10000
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofL4941BDT-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3198 1 Order Now
RS COMPONENTS EUROPE 12005 5 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 5000 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 9802 1 Order Now
Farnell Element14 EUROPE 1477 1 Order Now

Distributor reported inventory date: 2019-12-04

Distributor Name

DIGIKEY

Stock

3198

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

12005

Min.Order

5

Region

EUROPE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

9802

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1477

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-12-04

Buy now

L4941BV

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.406*

Distributor availability ofL4941BV

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1911 1 Order Now
RS COMPONENTS EUROPE 1752 1 Order Now
AVNET AMERICA 511 0 Order Now
FUTURE WORLDWIDE 676 1 Order Now
ARROW EUROPE 5585 0 Order Now
Newark Element14 AMERICA 8 0 Order Now
ARROW AMERICA 2235 1000 Order Now
MOUSER WORLDWIDE 2995 1 Order Now
Farnell Element14 EUROPE 938 1 Order Now
ANGLIA Live EUROPE 1680 1 Order Now

Distributor reported inventory date: 2019-12-04

Distributor Name

DIGIKEY

Stock

1911

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1752

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

511

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

676

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

5585

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

8

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2235

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

2995

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

938

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

1680

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-12-04

Output Voltage (V) (nom)

5

Output Tolerance (typ)

4

Output Current (A) (nom)

1

Marketing Status

Active

Unit Price (US$)

0.406

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

L4941BDT-TR

Package

DPAK

Packing Type

Tape And Reel

Unit Price (US$)

0.568*

Distributor availability ofL4941BDT-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3198 1 Order Now
RS COMPONENTS EUROPE 12005 5 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 5000 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 9802 1 Order Now
Farnell Element14 EUROPE 1477 1 Order Now

Distributor reported inventory date: 2019-12-04

Distributor Name

DIGIKEY

Stock

3198

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

12005

Min.Order

5

Region

EUROPE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

5000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

9802

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1477

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-12-04

Output Voltage (V) (nom)

5

Output Tolerance (typ)

4

Output Current (A) (nom)

1

Marketing Status

Active

Unit Price (US$)

0.568

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L4941BDT-TR
Active
DPAK Industrial Ecopack2
L4941BV
Active
TO-220 Industrial Ecopack1

L4941BDT-TR

Package:

DPAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DPAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L4941BV

Package:

TO-220

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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