Loading...

LD2981CM33TR

STMicroelectronics

LD2981CM33TR by STMicroelectronics

STMicroelectronics LD2981CM33TR is a fixed positive LDO regulator with 3.3V output voltage and 0.1A max current. It has a small outline, low profile package style suitable for surface mount applications. With a max dropout voltage of 0.375V, it operates in temperatures ranging from -40 to 125°C, making it ideal for various electronic devices.

Median Price

$0.340

Lifecycle Status

Suppliers In-Stock

21

In-Stock Inventory

1k+

Distributors (Authorized)

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

Newark

USA . 267 parts In-Stock

1+ parts

$0.154

100+ parts

$0.154

1k+ parts

$0.154

10k+ parts

-

267

$0.154

$0.154

$0.154

-

DigiKey

USA . 9,091 parts In-Stock

1+ parts

$0.900

100+ parts

$0.513

1k+ parts

$0.443

10k+ parts

$0.407

9,091

$0.900

$0.513

$0.443

$0.407

Mouser Electronics

USA . 2,806 parts In-Stock

1+ parts

$0.900

100+ parts

$0.490

1k+ parts

$0.350

10k+ parts

$0.264

2,806

$0.900

$0.490

$0.350

$0.264

Element14

Singapore . 3,118 parts In-Stock

1+ parts

$1.076

100+ parts

$0.691

1k+ parts

$0.488

10k+ parts

$0.413

3,118

$1.076

$0.691

$0.488

$0.413

Avnet

USA . 228,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

228,000

-

-

-

-

Verical

USA . 198,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.202

198,000

-

-

-

$0.202

EBV Elektronik

Germany . 78,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

78,000

-

-

-

-

Arrow

USA . 24,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.319

24,000

-

-

-

$0.319

RS (Exports)

UK . 22,050 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.360

22,050

-

-

-

$0.360

Chip1Stop

Japan . 18,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.205

18,000

-

-

-

$0.205

Farnell

UK . 3,054 parts In-Stock

1+ parts

-

100+ parts

$0.599

1k+ parts

$0.423

10k+ parts

$0.406

3,054

-

$0.599

$0.423

$0.406

Rochester

USA . 2,680 parts In-Stock

1+ parts

-

100+ parts

$0.190

1k+ parts

$0.158

10k+ parts

$0.141

2,680

-

$0.190

$0.158

$0.141

Distributors (In-Stock)

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

Digiode

USA . 799 parts In-Stock

1+ parts

$0.062

100+ parts

-

1k+ parts

-

10k+ parts

-

799

$0.062

-

-

-

TME

Poland . 5,946 parts In-Stock

1+ parts

$0.300

100+ parts

$0.269

1k+ parts

$0.221

10k+ parts

$0.212

5,946

$0.300

$0.269

$0.221

$0.212

Nova Conductors

Japan . 500 parts In-Stock

1+ parts

$0.470

100+ parts

-

1k+ parts

-

10k+ parts

-

500

$0.470

-

-

-

Sensible Micro Corp

USA . 46,492 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

46,492

-

-

-

-

Vyrian

USA . 35,688 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

35,688

-

-

-

-

Global Solutions Electronics Company

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Pegasus Components GmbH

Germany . 2,726 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,726

-

-

-

-

Anansix

USA . 2,176 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,176

-

-

-

-

LIBRA Elektronik GmbH

Germany . 1,262 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,262

-

-

-

-

Distributors (Availability)

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

Semicontronic

India . 35,225 parts In-Stock

1+ parts

$0.055

100+ parts

$0.054

1k+ parts

$0.053

10k+ parts

-

35,225

$0.055

$0.054

$0.053

-

Ampacity Inc.

Singapore . 35,022 parts In-Stock

1+ parts

$0.055

100+ parts

-

1k+ parts

-

10k+ parts

-

35,022

$0.055

-

-

-

Corphita

USA . 1,561 parts In-Stock

1+ parts

$0.058

100+ parts

-

1k+ parts

-

10k+ parts

-

1,561

$0.058

-

-

-

Aranea Global

USA . 500 parts In-Stock

1+ parts

$0.461

100+ parts

-

1k+ parts

$0.442

10k+ parts

-

500

$0.461

-

$0.442

-

Argo Parts USA

USA . 4,805 parts In-Stock

1+ parts

$0.470

100+ parts

-

1k+ parts

-

10k+ parts

$0.456

4,805

$0.470

-

-

$0.456

Corohmni

South Africa . 467 parts In-Stock

1+ parts

$0.502

100+ parts

-

1k+ parts

-

10k+ parts

-

467

$0.502

-

-

-

Vigor

Singapore . 10,103 parts In-Stock

1+ parts

$0.720

100+ parts

-

1k+ parts

-

10k+ parts

-

10,103

$0.720

-

-

-

Benley Electronics

USA . 2 parts In-Stock

1+ parts

$1.750

100+ parts

-

1k+ parts

-

10k+ parts

-

2

$1.750

-

-

-

IDEA Electronic Components Group

UK . 672 parts In-Stock

1+ parts

$1.990

100+ parts

-

1k+ parts

$1.791

10k+ parts

-

672

$1.990

-

$1.791

-

Andel Nordic

Denmark . 75 parts In-Stock

1+ parts

$2.632

100+ parts

-

1k+ parts

$2.527

10k+ parts

$2.527

75

$2.632

-

$2.527

$2.527

Aztec Data Supply Inc.

USA . 2,743 parts In-Stock

1+ parts

$3.330

100+ parts

-

1k+ parts

-

10k+ parts

-

2,743

$3.330

-

-

-

MKK Technologies

India . 1,875 parts In-Stock

1+ parts

$3.742

100+ parts

-

1k+ parts

-

10k+ parts

-

1,875

$3.742

-

-

-

DigiPath Technology Company

USA . 1,875 parts In-Stock

1+ parts

$3.742

100+ parts

-

1k+ parts

-

10k+ parts

-

1,875

$3.742

-

-

-

GreenTree Electronics

Israel . 54,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

54,000

-

-

-

-

Eastek

USA . 33,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

33,000

-

-

-

-

Kepictronics

USA . 31,543 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

31,543

-

-

-

-

GlobX GmbH

Germany . 10,277 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

10,277

-

-

-

-

Lixinc

USA . 6,657 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,657

-

-

-

-

Continental Prestige Electronics

USA . 4,322 parts In-Stock

1+ parts

-

100+ parts

$0.493

1k+ parts

$0.345

10k+ parts

$0.302

4,322

-

$0.493

$0.345

$0.302

A-Z Elektronik GmbH

Germany . 4,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,000

-

-

-

-

Futuretech Components

Singapore . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Assy Fe

Spain . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

S.R.D Solutions

India . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Alle Elektronik GmbH

Germany . 2,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,000

-

-

-

-

Parana Technologies

USA . 1,807 parts In-Stock

1+ parts

-

100+ parts

$2.379

1k+ parts

-

10k+ parts

-

1,807

-

$2.379

-

-

Overview

Enhance your electronic projects with the LD2981CM33TR by STMicroelectronics, a top-tier manufacturer known for quality and reliability. This fixed positive single output LDO regulator is perfect for applications requiring a stable output voltage of 3.3V with minimal dropout voltage. With a compact package style and excellent line regulation, this regulator offers unmatched value and performance. Trust STMicroelectronics to deliver cutting-edge solutions for your power management needs.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material makes the package lightweight and durable, ideal for portable electronic devices.

Maximum Dropout Voltage-1: 1.375 V

Low maximum dropout voltage ensures efficient regulation of the output voltage even when the input voltage fluctuates.

Surface Mount: YES

Surface mount capability allows for easy and efficient PCB assembly, saving space and reducing production costs.

Operating Temperature (TJ-Max): 125 °C

High operating temperature range ensures the regulator can operate reliably in various environmental conditions.

Package Shape: RECTANGULAR

Rectangular package shape makes it easy to integrate this regulator into existing design layouts for efficient space utilization.

Terminal Form: GULL WING

Gull wing terminal form provides reliable solder connections, enhancing the overall durability and performance of the regulator.

Operating Temperature (TJ-Min): -40 °C

Wide operating temperature range ensures the regulator can operate in extreme cold conditions without compromising performance.

Packing Method: TR

Tape and reel packing method allows for easy handling and automated PCB assembly, improving production efficiency.

Minimum Output Voltage-1: 3.184 V

Stable minimum output voltage ensures compatibility with various electronic components and circuits without risking under-voltage issues.

Maximum Voltage Tolerance: 3.5 %

Wide voltage tolerance range ensures reliable operation even in situations where input voltage may vary slightly.

Nominal Output Voltage-1: 3.3 V

Stable nominal output voltage makes this regulator suitable for a wide range of applications requiring a consistent voltage supply.

No. of Terminals: 5

Simplified 5-terminal design makes installation and connection of the regulator quick and easy, reducing assembly time.

Package Style (Meter): SMALL OUTLINE, LOW PROFILE

Small outline and low profile package style saves space on the PCB and allows for slimmer device designs.

Adjustability: FIXED

Fixed adjustability eliminates the need for user adjustments, ensuring stable and reliable performance without the risk of misconfiguration.

Terminal Pitch: 0.95 mm

Close terminal pitch enables high-density PCB layouts, ideal for compact electronic devices with limited space.

Maximum Line Regulation: 0.0123 %

Low maximum line regulation ensures stable output voltage even when the input voltage varies, maintaining consistent performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

Regulator type ensures accurate and stable voltage regulation for single output applications, making it reliable for various electronic circuits.

Terminal Finish: MATTE TIN

Matte tin finish provides excellent solderability and corrosion resistance, ensuring reliable electrical connections over time.

Terminal Position: DUAL

Dual terminal position allows for flexible PCB layout and mounting options, accommodating different design requirements.

Maximum Output Voltage-1: 3.415 V

High maximum output voltage ensures compatibility with devices that require a slightly higher voltage supply for optimal performance.

Maximum Seated Height: 1.45 mm

Low seated height profile saves vertical space on the PCB, making this regulator suitable for slim and compact electronic devices.

Width: 1.6 mm

Compact width dimension allows for efficient board space utilization, ideal for applications with limited PCB real estate.

Minimum Input Voltage: 4.3 V

Low minimum input voltage requirement ensures operation even with relatively low input power sources, making it versatile for different applications.

Maximum Output Current-1: 0.1 A

Capable of providing a stable output current of 0.1A, suitable for low power electronic devices requiring efficient voltage regulation.

Maximum Time At Peak Reflow Temperature (s): 30

Sufficient time at peak reflow temperature allows for reliable solder connections during the assembly process, ensuring long-term performance.

Peak Reflow Temperature °C: 260

High peak reflow temperature capability ensures robust solder joints for reliable electrical connections even in demanding operating conditions.

Nominal Dropout Voltage-1: 0.18 V

Low nominal dropout voltage minimizes power loss and ensures efficient voltage regulation even with small voltage differentials.

Length: 2.95 mm

Short length dimension saves horizontal space on the PCB, making this regulator suitable for compact electronic devices with limited board space.

Maximum Input Voltage: 16 V

High maximum input voltage capability allows for compatibility with various power sources, making it versatile for different applications.

Maximum Input Voltage Absolute: 16 V

Absolute maximum input voltage rating ensures protection against voltage spikes or surges, enhancing the regulator's durability and reliability.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2981CM33TR 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-PDSO-G5

JESD-609 Code:

e3

Length:

2.95 mm

Maximum Line Regulation:

.0123 %

Moisture Sensitivity Level (MSL):

1

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

5

Operating Temperature (TJ-Max):

125 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

.1 A

Maximum Output Voltage-1:

3.415 V

Minimum Output Voltage-1:

3.184 V

Nominal Output Voltage-1:

3.3 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

TSOP5/6,.11,37

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:

1.45 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Maximum Voltage Tolerance:

Width:

1.6 mm

Trade Compliance

LD2981CM33TR 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

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

Similar products 19