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LD2981ABU33TR

STMicroelectronics

LD2981ABU33TR by STMicroelectronics

STMicroelectronics' LD2981ABU33TR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max dropout voltage of 0.375V. It operates in temperatures ranging from -40 to 125°C, making it suitable for various applications requiring stable voltage regulation in compact spaces.

Median Price

$0.520

Lifecycle Status

Suppliers In-Stock

30

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Farnell

UK . 3,812 parts In-Stock

1+ parts

$0.499

100+ parts

$0.277

1k+ parts

$0.226

10k+ parts

$0.212

3,812

$0.499

$0.277

$0.226

$0.212

Mouser Electronics

USA . 6,712 parts In-Stock

1+ parts

$0.540

100+ parts

$0.310

1k+ parts

$0.265

10k+ parts

$0.244

6,712

$0.540

$0.310

$0.265

$0.244

Newark

USA . 6,808 parts In-Stock

1+ parts

$0.556

100+ parts

$0.323

1k+ parts

$0.260

10k+ parts

-

6,808

$0.556

$0.323

$0.260

-

DigiKey

USA . 7,420 parts In-Stock

1+ parts

$0.580

100+ parts

$0.322

1k+ parts

$0.274

10k+ parts

$0.252

7,420

$0.580

$0.322

$0.274

$0.252

Future Electronics

Canada . 50 parts In-Stock

1+ parts

$0.610

100+ parts

$0.465

1k+ parts

$0.425

10k+ parts

$0.370

50

$0.610

$0.465

$0.425

$0.370

Distrelec

Netherlands . 2,475 parts In-Stock

1+ parts

$1.256

100+ parts

$0.710

1k+ parts

$0.644

10k+ parts

-

2,475

$1.256

$0.710

$0.644

-

Chip1Stop

Japan . 50,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.200

50,000

-

-

-

$0.200

Avnet

USA . 22,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

22,500

-

-

-

-

Arrow

USA . 10,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.232

10,000

-

-

-

$0.232

Verical

USA . 10,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.231

10,000

-

-

-

$0.231

EBV Elektronik

Germany . 7,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

7,500

-

-

-

-

Element14

Singapore . 3,812 parts In-Stock

1+ parts

-

100+ parts

$0.435

1k+ parts

$0.381

10k+ parts

$0.358

3,812

-

$0.435

$0.381

$0.358

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Digiode

USA . 1,598 parts In-Stock

1+ parts

$0.168

100+ parts

-

1k+ parts

-

10k+ parts

-

1,598

$0.168

-

-

-

TME

Poland . 1,219 parts In-Stock

1+ parts

$0.360

100+ parts

$0.242

1k+ parts

$0.200

10k+ parts

$0.149

1,219

$0.360

$0.242

$0.200

$0.149

Nova Conductors

Japan . 100 parts In-Stock

1+ parts

$0.461

100+ parts

-

1k+ parts

-

10k+ parts

-

100

$0.461

-

-

-

Chip Stock

USA . 129,980 parts In-Stock

1+ parts

-

100+ parts

-

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-

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129,980

-

-

-

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Vyrian

USA . 26,803 parts In-Stock

1+ parts

-

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26,803

-

-

-

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HZD GmbH

Germany . 16,500 parts In-Stock

1+ parts

-

100+ parts

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-

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16,500

-

-

-

-

Inventory MP

USA . 14,753 parts In-Stock

1+ parts

-

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14,753

-

-

-

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Bristol Electronics

USA . 14,753 parts In-Stock

1+ parts

-

100+ parts

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14,753

-

-

-

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Cyclops Electronics Ltd

UK . 7,500 parts In-Stock

1+ parts

-

100+ parts

-

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-

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7,500

-

-

-

-

EMSNET

USA . 5,850 parts In-Stock

1+ parts

-

100+ parts

-

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-

10k+ parts

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5,850

-

-

-

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ComSIT USA

USA . 4,990 parts In-Stock

1+ parts

-

100+ parts

-

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-

10k+ parts

-

4,990

-

-

-

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ComSIT Distribution GmbH

Germany . 3,743 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

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3,743

-

-

-

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Global Solutions Electronics Company

USA . 2,478 parts In-Stock

1+ parts

-

100+ parts

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2,478

-

-

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Anansix

USA . 2,336 parts In-Stock

1+ parts

-

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2,336

-

-

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ACDS - Activité Composants Distribution Service

France . 156 parts In-Stock

1+ parts

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100+ parts

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156

-

-

-

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Holdelec - ElecDif-Pro

France . 156 parts In-Stock

1+ parts

-

100+ parts

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156

-

-

-

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IBS Electronics

USA . 50 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.127

50

-

-

-

$0.127

LittleDiode

UK . 9 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

9

-

-

-

-

Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Semicontronic

India . 22,554 parts In-Stock

1+ parts

$0.146

100+ parts

$0.142

1k+ parts

$0.142

10k+ parts

-

22,554

$0.146

$0.142

$0.142

-

Ampacity Inc.

Singapore . 23,226 parts In-Stock

1+ parts

$0.150

100+ parts

-

1k+ parts

-

10k+ parts

-

23,226

$0.150

-

-

-

Corphita

USA . 779 parts In-Stock

1+ parts

$0.159

100+ parts

-

1k+ parts

-

10k+ parts

-

779

$0.159

-

-

-

Aranea Global

USA . 2,000 parts In-Stock

1+ parts

$0.452

100+ parts

-

1k+ parts

$0.434

10k+ parts

-

2,000

$0.452

-

$0.434

-

Argo Parts USA

USA . 1,417 parts In-Stock

1+ parts

$0.461

100+ parts

-

1k+ parts

-

10k+ parts

$0.447

1,417

$0.461

-

-

$0.447

Vigor

Singapore . 2,272 parts In-Stock

1+ parts

$0.810

100+ parts

-

1k+ parts

-

10k+ parts

-

2,272

$0.810

-

-

-

Continental Prestige Electronics

USA . 5,731 parts In-Stock

1+ parts

$1.000

100+ parts

$0.574

1k+ parts

$0.404

10k+ parts

$0.380

5,731

$1.000

$0.574

$0.404

$0.380

Corohmni

South Africa . 121 parts In-Stock

1+ parts

$3.507

100+ parts

-

1k+ parts

-

10k+ parts

-

121

$3.507

-

-

-

IDEA Electronic Components Group

UK . 1,178 parts In-Stock

1+ parts

$4.570

100+ parts

-

1k+ parts

$4.113

10k+ parts

-

1,178

$4.570

-

$4.113

-

Aztec Data Supply Inc.

USA . 75 parts In-Stock

1+ parts

$6.360

100+ parts

-

1k+ parts

-

10k+ parts

-

75

$6.360

-

-

-

MKK Technologies

India . 331 parts In-Stock

1+ parts

$8.593

100+ parts

-

1k+ parts

-

10k+ parts

-

331

$8.593

-

-

-

DigiPath Technology Company

USA . 331 parts In-Stock

1+ parts

$8.593

100+ parts

-

1k+ parts

-

10k+ parts

-

331

$8.593

-

-

-

Perfect Parts

USA . 88,140 parts In-Stock

1+ parts

-

100+ parts

-

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-

10k+ parts

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88,140

-

-

-

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RC Electronics

USA . 68,092 parts In-Stock

1+ parts

-

100+ parts

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68,092

-

-

-

-

Epart123

USA . 10,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.500

10k+ parts

$0.500

10,000

-

-

$0.500

$0.500

GreenTree Electronics

Israel . 10,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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10,000

-

-

-

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Lixinc

USA . 6,168 parts In-Stock

1+ parts

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6,168

-

-

-

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Authorized Procurement Solutions

USA . 5,000 parts In-Stock

1+ parts

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100+ parts

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5,000

-

-

-

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Futuretech Components

Singapore . 3,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

-

10k+ parts

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3,000

-

-

-

-

A-Z Elektronik GmbH

Germany . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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3,000

-

-

-

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Alle Elektronik GmbH

Germany . 2,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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2,000

-

-

-

-

Parana Technologies

USA . 820 parts In-Stock

1+ parts

-

100+ parts

$5.464

1k+ parts

-

10k+ parts

-

820

-

$5.464

-

-

Kepictronics

USA . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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100

-

-

-

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Assy Fe

Spain . 7 parts In-Stock

1+ parts

-

100+ parts

-

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-

7

-

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-

Overview

Discover unparalleled reliability and performance with the LD2981ABU33TR by STMicroelectronics, a leading manufacturer in the industry. This fixed regulator offers customers a seamless solution for their power management needs, providing stable output voltage and low dropout voltage for optimal efficiency. Ideal for a wide range of applications, this LDO regulator ensures top-notch quality and precision without compromising on value. Trust STMicroelectronics to deliver cutting-edge technology that exceeds expectations and propels your projects to new heights.

Feature Benefit Bullets

Maximum Dropout Voltage-1: 1.375 V

This low dropout voltage ensures stable output voltage even with small voltage differences between input and output, making it suitable for applications with tight voltage requirements.

Surface Mount: YES

Allows for easy and efficient integration onto circuit boards, saving space and facilitating automated assembly processes.

Operating Temperature (TJ-Max): 125 °C

Can operate at high temperatures without compromising performance, ensuring reliability in various environments.

Nominal Output Voltage-1: 3.3 V

Provides a stable and precise output voltage, suitable for powering sensitive electronic components in a circuit.

Maximum Output Current-1: 0.1 A

Capable of delivering a decent amount of current, suitable for low power consumption devices or as part of a larger power supply system.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2981ABU33TR attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.375 V

Nominal Dropout Voltage-1:

.18 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

16 V

Minimum Input Voltage:

4.3 V

JESD-30 Code:

R-PSSO-F3

JESD-609 Code:

e3

Length:

4.5 mm

Maximum Line Regulation:

.0124 %

Moisture Sensitivity Level (MSL):

1

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

3

Operating Temperature (TJ-Max):

125 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

.1 A

Maximum Output Voltage-1:

3.383 V

Minimum Output Voltage-1:

3.217 V

Nominal Output Voltage-1:

3.3 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

TO-243

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE, LOW PROFILE

Packing Method:

TR

Peak Reflow Temperature (C):

260

Qualification Status:

Not Qualified

Maximum Seated Height:

1.6 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

1.57 mm

Terminal Position:

SINGLE

Maximum Time At Peak Reflow Temperature (s):

30

Maximum Voltage Tolerance:

Width:

2.445 mm

Trade Compliance

LD2981ABU33TR Regulators trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

PCN

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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