Opto-electronics – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

AA4040 SMD LEDs

Kingbright AA4040 SMD LEDs are designed for all SMD assembly and solder processes. These LEDs are Halogen-free, RoHS compliant, and feature level 3 moisture sensitivity. The AA4040 SMD LEDs are available on tape and reel. These SMD LEDs are categorically available as IR LEDs, phototransistors, and standard LEDs. Typical applications include backlight, status indicator, home/smart appliances, wearable and portable devices, and healthcare.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Opto-electronics

List Images

Results: 19

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040QBS/D-AMT
Kingbright
1: £0.713
3,129In Stock

Mfr. Part No.
AA4040QBS/D-AMT

Mouser Part No
604-AA4040QBS/D-AMT

Kingbright

Single Colour LEDs 4x4mm RA Blue PLCC2

Learn More

Datasheet

3,129In Stock

Cut Tape

£0.713

£0.491

£0.361

Reel

£0.303

£0.284

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040LCGCK-AMT
Kingbright
1: £0.563
1,562In Stock
12,000Expected 27/07/2026

Mfr. Part No.
AA4040LCGCK-AMT

Mouser Part No
604-AA4040LCGCK-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,562In Stock

12,000Expected 27/07/2026

Cut Tape

£0.563

£0.388

£0.283

Reel

£0.22

£0.197

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Red PLCC2

AA4040LSURCKT-AMT
Kingbright
1: £0.608
968In Stock
2,000Expected 06/07/2026

Mfr. Part No.
AA4040LSURCKT-AMT

Mouser Part No
604-AA4040LSURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

968In Stock

2,000Expected 06/07/2026

Cut Tape

£0.608

£0.425

£0.311

Reel

£0.27

£0.244

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Yellow PLCC2

AA4040LSYCKT/J3-AMT
Kingbright
1: £0.728
1,335In Stock

Mfr. Part No.
AA4040LSYCKT/J3-AMT

Mouser Part No
604-AA4040LSYCKTJ3AM

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

1,335In Stock

Cut Tape

£0.728

£0.508

£0.375

Reel

£0.314

£0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040LZGCKT-AMT
Kingbright
1: £0.751
1,642In Stock

Mfr. Part No.
AA4040LZGCKT-AMT

Mouser Part No
604-AA4040LZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,642In Stock

Cut Tape

£0.751

£0.526

£0.388

Reel

£0.327

£0.297

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Red Water Clear 630nm 450mcd

AA4040SURSK
Kingbright
1: £0.458
10,778In Stock
29,000Expected 24/06/2026

Mfr. Part No.
AA4040SURSK

Mouser Part No
604-AA4040SURSK

Kingbright

Single Colour LEDs Red Water Clear 630nm 450mcd

Learn More

Datasheet

10,778In Stock

29,000Expected 24/06/2026

Cut Tape

£0.458

£0.316

£0.229

Reel

£0.189

£0.169

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Red PLCC2

AA4040SURCKT-AMT
Kingbright
1: £0.608
643In Stock
1,500Expected 14/07/2026

Mfr. Part No.
AA4040SURCKT-AMT

Mouser Part No
604-AA4040SURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

643In Stock

1,500Expected 14/07/2026

Cut Tape

£0.608

£0.425

£0.311

Reel

£0.264

£0.238

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Yellow PLCC2

AA4040SYCKT/J3-AMT
Kingbright
1: £0.728
894In Stock
1,000On Order

Mfr. Part No.
AA4040SYCKT/J3-AMT

Mouser Part No
604-AA4040SYCKTJ3AMT

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

894In Stock

1,000On Order

Cut Tape

£0.728

£0.508

£0.375

Reel

£0.314

£0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040ZGCKT-AMT
Kingbright
1: £0.728
1,554In Stock

Mfr. Part No.
AA4040ZGCKT-AMT

Mouser Part No
604-AA4040ZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,554In Stock

Cut Tape

£0.728

£0.508

£0.375

Reel

£0.314

£0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Green 570nm Water Clear 70mcd

AA4040CGCK
Kingbright
1: £0.361
2,877In Stock
4,500Expected 11/09/2026

Mfr. Part No.
AA4040CGCK

Mouser Part No
604-AA4040CGCK

Kingbright

Single Colour LEDs Green 570nm Water Clear 70mcd

Learn More

Datasheet

2,877In Stock

4,500Expected 11/09/2026

Cut Tape

£0.361

£0.249

£0.179

Reel

£0.151

£0.141

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Blue Water Clear 465nm 300mcd

AA4040QBS/G
Kingbright
1: £0.773
28In Stock
4,000Expected 27/07/2026

Mfr. Part No.
AA4040QBS/G

Mouser Part No
604-AA4040QBS/G

Kingbright

Single Colour LEDs Blue Water Clear 465nm 300mcd

Learn More

Datasheet

28In Stock

4,000Expected 27/07/2026

Cut Tape

£0.773

£0.472

£0.395

Reel

£0.333

£0.305

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Infrared Emitters

AA4040SF4BT-P22
Kingbright
1: £0.586
683In Stock
2,000Expected 24/08/2026

Mfr. Part No.
AA4040SF4BT-P22

Mouser Part No
604-AA4040SF4BT-P22

Kingbright

Infrared Emitters

Learn More

Datasheet

683In Stock

2,000Expected 24/08/2026

Cut Tape

£0.586

£0.403

£0.295

£0.246

Reel

£0.217

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Single Colour LEDs Yellow Water Clear 590nm 250mcd

AA4040SYSK
Kingbright
1: £0.465
3,810In Stock
13,000Expected 13/07/2026

Mfr. Part No.
AA4040SYSK

Mouser Part No
604-AA4040SYSK

Kingbright

Single Colour LEDs Yellow Water Clear 590nm 250mcd

Learn More

Datasheet

3,810In Stock

13,000Expected 13/07/2026

Cut Tape

£0.465

£0.323

£0.261

Reel

£0.194

£0.182

£0.153

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Green Water Clear 525nm 800mcd

AA4040ZGS
Kingbright
1: £0.526
11,529In Stock

Mfr. Part No.
AA4040ZGS

Mouser Part No
604-AA4040ZGS

Kingbright

Single Colour LEDs Green Water Clear 525nm 800mcd

Learn More

Datasheet

11,529In Stock

Cut Tape

£0.526

£0.367

£0.266

Reel

£0.217

£0.199

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Green Water Clear 525nm 1200mcd

AA4040ZGS/G
Kingbright
1: £0.796
418In Stock
1,000Expected 25/08/2026

Mfr. Part No.
AA4040ZGS/G

Mouser Part No
604-AA4040ZGS/G

Kingbright

Single Colour LEDs Green Water Clear 525nm 1200mcd

Learn More

Datasheet

418In Stock

1,000Expected 25/08/2026

Cut Tape

£0.796

£0.559

£0.415

Reel

£0.349

£0.318

View

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Blue Water Clear 470nm 150mcd

AA4040QBS/D
Kingbright
1: £0.375
4,788In Stock

Mfr. Part No.
AA4040QBS/D

Mouser Part No
604-AA4040QBS/D

Kingbright

Single Colour LEDs Blue Water Clear 470nm 150mcd

Learn More

Datasheet

4,788In Stock

Cut Tape

£0.375

£0.258

£0.186

Reel

£0.147

£0.136

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Orange Water Clear 601nm 400mcd

AA4040SESK
Kingbright
1: £0.413
1,650In Stock

Mfr. Part No.
AA4040SESK

Mouser Part No
604-AA4040SESK

Kingbright

Single Colour LEDs Orange Water Clear 601nm 400mcd

Learn More

Datasheet

1,650In Stock

Cut Tape

£0.413

£0.28

£0.201

Reel

£0.165

£0.15

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Phototransistors 4x4mm PHOTOTRANS RA SMD LED

AA4040P3C-P22
Kingbright
1: £0.458
8In Stock
1,000Expected 13/07/2026

Mfr. Part No.
AA4040P3C-P22

Mouser Part No
604-AA4040P3C-P22

Kingbright

Phototransistors 4x4mm PHOTOTRANS RA SMD LED

Learn More

Datasheet

8In Stock

1,000Expected 13/07/2026

Cut Tape

£0.458

£0.313

£0.227

Reel

£0.188

£0.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040LQBS/D-AMT
Kingbright
1: £0.728
2,497On Order

Mfr. Part No.
AA4040LQBS/D-AMT

Mouser Part No
604-AA4040LQBS/D-AMT

Kingbright

Single Colour LEDs 4x4mm RA Blue PLCC2

Learn More

Datasheet

2,497On Order

Cut Tape

£0.728

£0.508

£0.375

Reel

£0.314

£0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

AA4040 SMD LEDs

Types of Opto-electronics

Customer Service Office

Company

Resources

Support