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UC3843BD1

STMicroelectronics

UC3843BD1 by STMicroelectronics

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

Median Price

$0.832

Lifecycle Status

Suppliers In-Stock

35

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 12,532 parts In-Stock

1+ parts

$0.601

100+ parts

-

1k+ parts

-

10k+ parts

-

12,532

$0.601

-

-

-

Adafruit Industries

USA . 600 parts In-Stock

1+ parts

$0.609

100+ parts

$0.578

1k+ parts

$0.578

10k+ parts

-

600

$0.609

$0.578

$0.578

-

Farnell

UK . 1,404 parts In-Stock

1+ parts

$1.050

100+ parts

$0.612

1k+ parts

$0.543

10k+ parts

$0.541

1,404

$1.050

$0.612

$0.543

$0.541

DigiKey

USA . 10,898 parts In-Stock

1+ parts

$1.450

100+ parts

$0.854

1k+ parts

$0.745

10k+ parts

$0.702

10,898

$1.450

$0.854

$0.745

$0.702

Newark

USA . 1,393 parts In-Stock

1+ parts

$1.570

100+ parts

$0.896

1k+ parts

$0.674

10k+ parts

$0.531

1,393

$1.570

$0.896

$0.674

$0.531

Mouser Electronics

USA . 1,815 parts In-Stock

1+ parts

$1.700

100+ parts

$1.010

1k+ parts

$0.880

10k+ parts

$0.795

1,815

$1.700

$1.010

$0.880

$0.795

Element14

Singapore . 1,464 parts In-Stock

1+ parts

$1.800

100+ parts

$0.977

1k+ parts

$0.929

10k+ parts

$0.909

1,464

$1.800

$0.977

$0.929

$0.909

Avnet

USA . 31,900 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

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31,900

-

-

-

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Verical

USA . 8,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.601

8,000

-

-

-

$0.601

EBV Elektronik

Germany . 700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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700

-

-

-

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Rochester

USA . 308 parts In-Stock

1+ parts

-

100+ parts

$0.614

1k+ parts

$0.510

10k+ parts

$0.455

308

-

$0.614

$0.510

$0.455

Chip1Stop

Japan . 148 parts In-Stock

1+ parts

-

100+ parts

$0.431

1k+ parts

-

10k+ parts

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148

-

$0.431

-

-

Distributors (In-Stock)

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

Nova Conductors

Japan . 29 parts In-Stock

1+ parts

$0.470

100+ parts

-

1k+ parts

-

10k+ parts

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29

$0.470

-

-

-

Digiode

USA . 2,031 parts In-Stock

1+ parts

$0.479

100+ parts

-

1k+ parts

-

10k+ parts

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2,031

$0.479

-

-

-

TME

Poland . 1,927 parts In-Stock

1+ parts

$0.920

100+ parts

$0.584

1k+ parts

$0.453

10k+ parts

$0.363

1,927

$0.920

$0.584

$0.453

$0.363

Chip Stock

USA . 94,883 parts In-Stock

1+ parts

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94,883

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IBS Electronics

USA . 14,700 parts In-Stock

1+ parts

-

100+ parts

$0.337

1k+ parts

$0.330

10k+ parts

$0.316

14,700

-

$0.337

$0.330

$0.316

Vyrian

USA . 5,833 parts In-Stock

1+ parts

-

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-

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5,833

-

-

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Semi Source

USA . 3,491 parts In-Stock

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3,491

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R&J Components

USA . 2,194 parts In-Stock

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2,194

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Sunrise Surplus Inc.

USA . 2,142 parts In-Stock

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2,142

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-

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Inventory MP

USA . 2,084 parts In-Stock

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2,084

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Bristol Electronics

USA . 2,084 parts In-Stock

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2,084

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Anansix

USA . 1,204 parts In-Stock

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1,204

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Flex Direct, LLC

USA . 785 parts In-Stock

1+ parts

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785

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ComSIT Distribution GmbH

Germany . 542 parts In-Stock

1+ parts

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542

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Electronic Expediters

USA . 307 parts In-Stock

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307

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Ashlea Components Ltd

UK . 253 parts In-Stock

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253

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DF Sales Co.

USA . 172 parts In-Stock

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172

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DF Sales Co.

USA . 172 parts In-Stock

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172

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Inland Empire Components Inc.

USA . 129 parts In-Stock

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129

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-

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ACDS - Activité Composants Distribution Service

France . 100 parts In-Stock

1+ parts

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100

-

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Huijzer Components

Netherlands . 90 parts In-Stock

1+ parts

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90

-

-

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PC Components Company LLC

USA . 45 parts In-Stock

1+ parts

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45

-

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Zilex Electronics Inc.

Canada . 17 parts In-Stock

1+ parts

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17

-

-

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 6,014 parts In-Stock

1+ parts

$0.174

100+ parts

-

1k+ parts

-

10k+ parts

-

6,014

$0.174

-

-

-

Argo Parts USA

USA . 3,372 parts In-Stock

1+ parts

$0.445

100+ parts

-

1k+ parts

-

10k+ parts

$0.432

3,372

$0.445

-

-

$0.432

Corphita

USA . 1,684 parts In-Stock

1+ parts

$0.454

100+ parts

-

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-

10k+ parts

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1,684

$0.454

-

-

-

Bastille Electronics

Australia . 215 parts In-Stock

1+ parts

$0.470

100+ parts

$0.446

1k+ parts

$0.424

10k+ parts

$0.418

215

$0.470

$0.446

$0.424

$0.418

Corohmni

South Africa . 874 parts In-Stock

1+ parts

$0.591

100+ parts

-

1k+ parts

-

10k+ parts

-

874

$0.591

-

-

-

Advanced Electronics

New Zealand . 600 parts In-Stock

1+ parts

$0.609

100+ parts

$0.578

1k+ parts

$0.578

10k+ parts

-

600

$0.609

$0.578

$0.578

-

Semicontronic

India . 6,416 parts In-Stock

1+ parts

$0.630

100+ parts

$0.614

1k+ parts

$0.611

10k+ parts

-

6,416

$0.630

$0.614

$0.611

-

Vigor

Singapore . 2,297 parts In-Stock

1+ parts

$0.830

100+ parts

-

1k+ parts

-

10k+ parts

-

2,297

$0.830

-

-

-

Continental Prestige Electronics

USA . 2,425 parts In-Stock

1+ parts

$0.971

100+ parts

$0.553

1k+ parts

$0.356

10k+ parts

$0.340

2,425

$0.971

$0.553

$0.356

$0.340

Aztec Data Supply Inc.

USA . 4,262 parts In-Stock

1+ parts

$4.374

100+ parts

-

1k+ parts

-

10k+ parts

-

4,262

$4.374

-

-

-

IDEA Electronic Components Group

UK . 1,452 parts In-Stock

1+ parts

$16.656

100+ parts

-

1k+ parts

$14.990

10k+ parts

-

1,452

$16.656

-

$14.990

-

MKK Technologies

India . 1,502 parts In-Stock

1+ parts

$31.320

100+ parts

-

1k+ parts

-

10k+ parts

-

1,502

$31.320

-

-

-

DigiPath Technology Company

USA . 1,502 parts In-Stock

1+ parts

$31.320

100+ parts

-

1k+ parts

-

10k+ parts

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1,502

$31.320

-

-

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Authorized Procurement Solutions

USA . 43,588 parts In-Stock

1+ parts

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43,588

-

-

-

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Perfect Parts

USA . 41,440 parts In-Stock

1+ parts

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41,440

-

-

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GreenTree Electronics

Israel . 39,688 parts In-Stock

1+ parts

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100+ parts

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39,688

-

-

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Eastek

USA . 35,788 parts In-Stock

1+ parts

-

100+ parts

$0.314

1k+ parts

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10k+ parts

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35,788

-

$0.314

-

-

QUARKTWIN TECHNOLOGY LTD

USA . 26,191 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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26,191

-

-

-

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RC Electronics

USA . 20,000 parts In-Stock

1+ parts

-

100+ parts

$0.580

1k+ parts

$0.550

10k+ parts

$0.530

20,000

-

$0.580

$0.550

$0.530

Lixinc

USA . 12,079 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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12,079

-

-

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Microchip USA

USA . 4,122 parts In-Stock

1+ parts

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4,122

-

-

-

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Kulean Microsystems

USA . 4,052 parts In-Stock

1+ parts

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4,052

-

-

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Problanco Electronics

Mexico . 2,300 parts In-Stock

1+ parts

-

100+ parts

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10k+ parts

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2,300

-

-

-

-

SupplyDigital Components

Austria . 1,601 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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1,601

-

-

-

-

TANS Electronics

Latvia . 1,427 parts In-Stock

1+ parts

-

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1,427

-

-

-

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Infinite Electronics LLP (Excess)

. 1,005 parts In-Stock

1+ parts

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1,005

-

-

-

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Parana Technologies

USA . 819 parts In-Stock

1+ parts

-

100+ parts

$19.914

1k+ parts

-

10k+ parts

-

819

-

$19.914

-

-

A-Z Elektronik GmbH

Germany . 750 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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750

-

-

-

-

UHIMA Technologies

Türkiye . 524 parts In-Stock

1+ parts

-

100+ parts

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524

-

-

-

-

S.R.D Solutions

India . 500 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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500

-

-

-

-

Metaverse IC Inc.

Canada . 320 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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320

-

-

-

-

Computer Components Inc. - USA

USA . 171 parts In-Stock

1+ parts

-

100+ parts

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171

-

-

-

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Cyclops Electronics Ltd (Excess)

UK . 100 parts In-Stock

1+ parts

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100+ parts

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100

-

-

-

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Glotronic Ltd.

UK . 80 parts In-Stock

1+ parts

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80

-

-

-

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Assy Fe

Spain . 46 parts In-Stock

1+ parts

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46

-

-

-

-

Technical Specifications

Switching Regulators & Controllers UC3843BD1 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-PDSO-G8

JESD-609 Code:

e3

Length:

4.9 mm

Moisture Sensitivity Level (MSL):

1

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:

SOP

Package Equivalence Code:

SOP8,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Peak Reflow Temperature (C):

260

Qualification:

Not Qualified

Maximum Seated Height:

1.75 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

SINGLE

Maximum Switching Frequency:

500 kHz

Technology:

BIPOLAR

Temperature Grade:

Terminal Finish:

Matte Tin (Sn) - annealed

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

3.9 mm

Trade Compliance

UC3843BD1 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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