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UC3843BN

STMicroelectronics

UC3843BN by STMicroelectronics

SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;

Median Price

$0.710

Lifecycle Status

Suppliers In-Stock

49

In-Stock Inventory

1k+

Distributors (Authorized)

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

Farnell

UK . 251 parts In-Stock

1+ parts

$0.710

100+ parts

$0.407

1k+ parts

$0.336

10k+ parts

$0.317

251

$0.710

$0.407

$0.336

$0.317

Mouser Electronics

USA . 2,749 parts In-Stock

1+ parts

$0.830

100+ parts

$0.470

1k+ parts

$0.404

10k+ parts

$0.360

2,749

$0.830

$0.470

$0.404

$0.360

Newark

USA . 210 parts In-Stock

1+ parts

$0.855

100+ parts

$0.483

1k+ parts

$0.415

10k+ parts

$0.388

210

$0.855

$0.483

$0.415

$0.388

DigiKey

USA . 1,622 parts In-Stock

1+ parts

$0.860

100+ parts

$0.483

1k+ parts

$0.416

10k+ parts

$0.389

1,622

$0.860

$0.483

$0.416

$0.389

Element14

Singapore . 251 parts In-Stock

1+ parts

$1.170

100+ parts

$0.622

1k+ parts

$0.551

10k+ parts

$0.504

251

$1.170

$0.622

$0.551

$0.504

Adafruit Industries

USA . 600 parts In-Stock

1+ parts

$8.922

100+ parts

$8.476

1k+ parts

$8.476

10k+ parts

-

600

$8.922

$8.476

$8.476

-

Arrow

USA . 8,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.338

8,000

-

-

-

$0.338

Verical

USA . 8,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.338

8,000

-

-

-

$0.338

Avnet

USA . 7,450 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

7,450

-

-

-

-

Master Electronics

USA . 570 parts In-Stock

1+ parts

-

100+ parts

$0.710

1k+ parts

$0.530

10k+ parts

$0.444

570

-

$0.710

$0.530

$0.444

EBV Elektronik

Germany . 300 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

300

-

-

-

-

Distrelec

Netherlands . 48 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

48

-

-

-

-

RS (Exports)

UK . 20 parts In-Stock

1+ parts

-

100+ parts

$0.693

1k+ parts

$0.592

10k+ parts

-

20

-

$0.693

$0.592

-

Chip1Stop

Japan . 10 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

10

-

-

-

-

Future Electronics

Canada . 4 parts In-Stock

1+ parts

-

100+ parts

$0.365

1k+ parts

$0.350

10k+ parts

$0.330

4

-

$0.365

$0.350

$0.330

Distributors (In-Stock)

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

Ozdisan Elektronik

Türkiye . 568 parts In-Stock

1+ parts

$0.163

100+ parts

-

1k+ parts

-

10k+ parts

-

568

$0.163

-

-

-

Freelance Electronics

USA . 85 parts In-Stock

1+ parts

$0.170

100+ parts

-

1k+ parts

-

10k+ parts

-

85

$0.170

-

-

-

Digiode

USA . 2,233 parts In-Stock

1+ parts

$0.379

100+ parts

-

1k+ parts

-

10k+ parts

-

2,233

$0.379

-

-

-

Nova Conductors

Japan . 10 parts In-Stock

1+ parts

$0.459

100+ parts

-

1k+ parts

-

10k+ parts

-

10

$0.459

-

-

-

TME

Poland . 1,127 parts In-Stock

1+ parts

$0.740

100+ parts

$0.413

1k+ parts

$0.362

10k+ parts

$0.337

1,127

$0.740

$0.413

$0.362

$0.337

Component Electronics Inc.

Canada . 272 parts In-Stock

1+ parts

$0.920

100+ parts

$0.690

1k+ parts

$0.600

10k+ parts

-

272

$0.920

$0.690

$0.600

-

Cyclops Electronics Ltd

UK . 200,510 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

200,510

-

-

-

-

Chip Stock

USA . 82,180 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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82,180

-

-

-

-

Magnum Semiconductors LLP

India . 45,700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

45,700

-

-

-

-

IBS Electronics

USA . 18,874 parts In-Stock

1+ parts

-

100+ parts

$0.484

1k+ parts

$0.254

10k+ parts

-

18,874

-

$0.484

$0.254

-

Sensible Micro Corp

USA . 6,903 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,903

-

-

-

-

J2 Sourcing AB

Sweden . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,000

-

-

-

-

Schukat

Germany . 3,475 parts In-Stock

1+ parts

-

100+ parts

$0.291

1k+ parts

$0.248

10k+ parts

-

3,475

-

$0.291

$0.248

-

Digital Electronic Gebert Verwaltungs UG

Germany . 2,200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,200

-

-

-

-

Vyrian

USA . 1,515 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,515

-

-

-

-

ABC Electronics Ltd.

UK . 1,324 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,324

-

-

-

-

Anansix

USA . 1,086 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,086

-

-

-

-

Mil-Aero Solutions, Inc.

USA . 1,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,000

-

-

-

-

MISTER SPROCKETS

USA . 890 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

890

-

-

-

-

Cogito LLC

Ukraine . 863 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

863

-

-

-

-

Rapid Electronics

USA . 570 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

570

-

-

-

-

Holdelec - ElecDif-Pro

France . 446 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

446

-

-

-

-

ComSIT Distribution GmbH

Germany . 400 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

400

-

-

-

-

ComSIT USA

USA . 400 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

400

-

-

-

-

LIBRA Elektronik GmbH

Germany . 197 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

197

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

100

-

-

-

-

Bisco

USA . 67 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

67

-

-

-

-

LittleDiode

UK . 38 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

38

-

-

-

-

DF Sales Co.

USA . 34 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

34

-

-

-

-

DF Sales Co.

USA . 34 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

34

-

-

-

-

Huijzer Components

Netherlands . 20 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

20

-

-

-

-

Fibra_Brandt Electronic GMBH

Germany . 3 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3

-

-

-

-

Prism Electronics

USA . 2 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2

-

-

-

-

Donberg Electronics Ltd

Ireland . 1 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1

-

-

-

-

Distributors (Availability)

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

Semicontronic

India . 2,508 parts In-Stock

1+ parts

$0.314

100+ parts

$0.306

1k+ parts

$0.305

10k+ parts

-

2,508

$0.314

$0.306

$0.305

-

Ampacity Inc.

Singapore . 2,117 parts In-Stock

1+ parts

$0.314

100+ parts

-

1k+ parts

-

10k+ parts

-

2,117

$0.314

-

-

-

Corphita

USA . 1,199 parts In-Stock

1+ parts

$0.359

100+ parts

-

1k+ parts

-

10k+ parts

-

1,199

$0.359

-

-

-

Argo Parts USA

USA . 186 parts In-Stock

1+ parts

$0.459

100+ parts

-

1k+ parts

-

10k+ parts

$0.445

186

$0.459

-

-

$0.445

Continental Prestige Electronics

USA . 564 parts In-Stock

1+ parts

$0.686

100+ parts

$0.526

1k+ parts

$0.339

10k+ parts

$0.319

564

$0.686

$0.526

$0.339

$0.319

Vigor

Singapore . 388 parts In-Stock

1+ parts

$0.830

100+ parts

-

1k+ parts

-

10k+ parts

-

388

$0.830

-

-

-

Aztec Data Supply Inc.

USA . 30,301 parts In-Stock

1+ parts

$5.241

100+ parts

-

1k+ parts

-

10k+ parts

-

30,301

$5.241

-

-

-

Advanced Electronics

New Zealand . 600 parts In-Stock

1+ parts

$8.922

100+ parts

$8.476

1k+ parts

$8.476

10k+ parts

-

600

$8.922

$8.476

$8.476

-

IDEA Electronic Components Group

UK . 708 parts In-Stock

1+ parts

$14.947

100+ parts

-

1k+ parts

$13.453

10k+ parts

-

708

$14.947

-

$13.453

-

Corohmni

South Africa . 1,024 parts In-Stock

1+ parts

$18.401

100+ parts

-

1k+ parts

-

10k+ parts

-

1,024

$18.401

-

-

-

MKK Technologies

India . 692 parts In-Stock

1+ parts

$28.107

100+ parts

-

1k+ parts

-

10k+ parts

-

692

$28.107

-

-

-

DigiPath Technology Company

USA . 692 parts In-Stock

1+ parts

$28.107

100+ parts

-

1k+ parts

-

10k+ parts

-

692

$28.107

-

-

-

Epart123

USA . 200,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.195

200,000

-

-

-

$0.195

GreenTree Electronics

Israel . 200,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

200,000

-

-

-

-

Perfect Parts

USA . 59,732 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

59,732

-

-

-

-

Kepictronics

USA . 55,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

55,000

-

-

-

-

Infinite Electronics LLP (Excess)

. 21,020 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

21,020

-

-

-

-

Eastek

USA . 8,250 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

8,250

-

-

-

-

TANS Electronics

Latvia . 8,002 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

8,002

-

-

-

-

Authorized Procurement Solutions

USA . 6,700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,700

-

-

-

-

Formix International (Excess)

India . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

6,000

-

-

-

-

Kulean Microsystems

USA . 5,799 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,799

-

-

-

-

Lixinc

USA . 4,635 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,635

-

-

-

-

SupplyDigital Components

Austria . 3,291 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,291

-

-

-

-

A-Z Elektronik GmbH

Germany . 2,940 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,940

-

-

-

-

Glotronic Ltd.

UK . 2,800 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,800

-

-

-

-

Microchip USA

USA . 2,563 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,563

-

-

-

-

Problanco Electronics

Mexico . 1,427 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,427

-

-

-

-

iodParts Technologies Inc.

India . 1,168 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.397

10k+ parts

-

1,168

-

-

$0.397

-

Parana Technologies

USA . 1,021 parts In-Stock

1+ parts

-

100+ parts

$17.872

1k+ parts

-

10k+ parts

-

1,021

-

$17.872

-

-

Robosynatics

Brazil . 200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

200

-

-

-

-

Lucentia Tech

USA . 200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

200

-

-

-

-

Speed Components Ltd (Excess)

Israel . 150 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

150

-

-

-

-

UHIMA Technologies

Türkiye . 120 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

120

-

-

-

-

Cyclops Electronics Ltd (Excess)

UK . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

100

-

-

-

-

Allen Electronics Distributors

USA . 70 parts In-Stock

1+ parts

-

100+ parts

$0.652

1k+ parts

-

10k+ parts

-

70

-

$0.652

-

-

Netroflash

USA . 50 parts In-Stock

1+ parts

-

100+ parts

$0.450

1k+ parts

$0.436

10k+ parts

$0.427

50

-

$0.450

$0.436

$0.427

Technical Specifications

Switching Regulators & Controllers UC3843BN attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

CURRENT-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

30 V

Minimum Input Voltage:

8.2 V

Nominal Input Voltage:

15 V

JESD-30 Code:

R-PDIP-T8

JESD-609 Code:

e3

No. of Functions:

1

No. of Terminals:

8

Maximum Operating Temperature:

70 Cel

Minimum Operating Temperature:

0 Cel

Maximum Output Current:

1 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

DIP

Package Equivalence Code:

DIP8,.3

Package Shape:

Package Style (Meter):

IN-LINE

Qualification:

Not Qualified

Maximum Seated Height:

5.08 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

NO

Switcher Config:

SINGLE

Maximum Switching Frequency:

500 kHz

Technology:

BIPOLAR

Temperature Grade:

Terminal Finish:

MATTE TIN

Terminal Form:

THROUGH-HOLE

Terminal Pitch:

2.54 mm

Terminal Position:

DUAL

Width (mm):

7.62 mm

Trade Compliance

UC3843BN Other Function Semiconductors 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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