Opto-electronics – Mouser United Kingdom

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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.

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RoHS Compliant

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Part #

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040LCGCK-AMT
Kingbright
1: £0.563
4,334In Stock
15,500Expected 07/09/2026

Mfr. Part No.
AA4040LCGCK-AMT

Mouser Part No
604-AA4040LCGCK-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

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Datasheet

4,334In Stock

15,500Expected 07/09/2026

Cut Tape

£0.563

£0.388

£0.283

Reel

£0.22

£0.197

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MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040LQBS/D-AMT
Kingbright
1: £0.728
1,490In Stock
2,500Expected 28/09/2026

Mfr. Part No.
AA4040LQBS/D-AMT

Mouser Part No
604-AA4040LQBS/D-AMT

Kingbright

Single Colour LEDs 4x4mm RA Blue PLCC2

Learn More

Datasheet

1,490In Stock

2,500Expected 28/09/2026

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 Red PLCC2

AA4040LSURCKT-AMT
Kingbright
1: £0.608
874In Stock
7,000Expected 29/10/2026

Mfr. Part No.
AA4040LSURCKT-AMT

Mouser Part No
604-AA4040LSURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

874In Stock

7,000Expected 29/10/2026

Cut Tape

£0.608

£0.425

£0.311

Reel

£0.27

£0.244

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MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Yellow PLCC2

AA4040LSYCKT/J3-AMT
Kingbright
1: £0.728
715In Stock
1,000Expected 14/09/2026

Mfr. Part No.
AA4040LSYCKT/J3-AMT

Mouser Part No
604-AA4040LSYCKTJ3AM

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

715In Stock

1,000Expected 14/09/2026

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
1,605In Stock

Mfr. Part No.
AA4040LZGCKT-AMT

Mouser Part No
604-AA4040LZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,605In Stock

Cut Tape

£0.751

£0.526

£0.388

Reel

£0.327

£0.297

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MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Red Water Clear 630nm 450mcd

AA4040SURSK
Kingbright
1: £0.458
36,758In Stock

Mfr. Part No.
AA4040SURSK

Mouser Part No
604-AA4040SURSK

Kingbright

Single Colour LEDs Red Water Clear 630nm 450mcd

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Datasheet

36,758In Stock

Cut Tape

£0.458

£0.316

£0.229

Reel

£0.187

£0.169

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Yellow Water Clear 590nm 250mcd

AA4040SYSK
Kingbright
1: £0.458
4,581In Stock
32,500Expected 21/09/2026

Mfr. Part No.
AA4040SYSK

Mouser Part No
604-AA4040SYSK

Kingbright

Single Colour LEDs Yellow Water Clear 590nm 250mcd

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Datasheet

4,581In Stock

32,500Expected 21/09/2026

Cut Tape

£0.458

£0.316

Reel

£0.316

£0.31

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Green Water Clear 525nm 800mcd

AA4040ZGS
Kingbright
1: £0.526
8,264In Stock

Mfr. Part No.
AA4040ZGS

Mouser Part No
604-AA4040ZGS

Kingbright

Single Colour LEDs Green Water Clear 525nm 800mcd

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Datasheet

8,264In Stock

Cut Tape

£0.526

£0.364

£0.265

Reel

£0.215

£0.198

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040QBS/D-AMT
Kingbright
1: £0.728
1,447In 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

1,447In Stock

Cut Tape

£0.728

£0.502

£0.37

Reel

£0.31

£0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs 4x4mm RA Red PLCC2

AA4040SURCKT-AMT
Kingbright
1: £0.608
2,011In Stock

Mfr. Part No.
AA4040SURCKT-AMT

Mouser Part No
604-AA4040SURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

2,011In Stock

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
1,844In Stock

Mfr. Part No.
AA4040SYCKT/J3-AMT

Mouser Part No
604-AA4040SYCKTJ3AMT

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

1,844In 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

AA4040ZGCKT-AMT
Kingbright
1: £0.728
1,404In Stock

Mfr. Part No.
AA4040ZGCKT-AMT

Mouser Part No
604-AA4040ZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,404In 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: £0.368
4,622In Stock

Mfr. Part No.
AA4040CGCK

Mouser Part No
604-AA4040CGCK

Kingbright

Single Colour LEDs Green 570nm Water Clear 70mcd

Learn More

Datasheet

4,622In Stock

Cut Tape

£0.368

£0.258

£0.189

Reel

£0.151

£0.141

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Blue Water Clear 470nm 150mcd

AA4040QBS/D
Kingbright
1: £0.361
453In Stock
5,000Expected 28/09/2026

Mfr. Part No.
AA4040QBS/D

Mouser Part No
604-AA4040QBS/D

Kingbright

Single Colour LEDs Blue Water Clear 470nm 150mcd

Learn More

Datasheet

453In Stock

5,000Expected 28/09/2026

Cut Tape

£0.361

£0.258

£0.185

Reel

£0.147

£0.136

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Blue Water Clear 465nm 300mcd

AA4040QBS/G
Kingbright
1: £0.796
4,028In Stock

Mfr. Part No.
AA4040QBS/G

Mouser Part No
604-AA4040QBS/G

Kingbright

Single Colour LEDs Blue Water Clear 465nm 300mcd

Learn More

Datasheet

4,028In Stock

Cut Tape

£0.796

£0.504

£0.40

Reel

£0.348

£0.317

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Infrared Emitters

AA4040SF4BT-P22
Kingbright
1: £0.586
2,678In Stock

Mfr. Part No.
AA4040SF4BT-P22

Mouser Part No
604-AA4040SF4BT-P22

Kingbright

Infrared Emitters

Learn More

Datasheet

2,678In Stock

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 Green Water Clear 525nm 1200mcd

AA4040ZGS/G
Kingbright
1: £0.796
350In Stock
1,000Expected 01/09/2026

Mfr. Part No.
AA4040ZGS/G

Mouser Part No
604-AA4040ZGS/G

Kingbright

Single Colour LEDs Green Water Clear 525nm 1200mcd

Learn More

Datasheet

350In Stock

1,000Expected 01/09/2026

Cut Tape

£0.796

£0.559

£0.415

Reel

£0.349

£0.318

View

Min.: 1
Mult.: 1

: 500

Single Colour LEDs Orange Water Clear 601nm 400mcd

AA4040SESK
Kingbright
1: £0.413
1,584In Stock

Mfr. Part No.
AA4040SESK

Mouser Part No
604-AA4040SESK

Kingbright

Single Colour LEDs Orange Water Clear 601nm 400mcd

Learn More

Datasheet

1,584In Stock

Cut Tape

£0.413

£0.28

£0.201

Reel

£0.158

£0.148

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Phototransistors 4x4mm PHOTOTRANS RA SMD LED

AA4040P3C-P22
Kingbright
1: £0.473
8In Stock
1,000Expected 14/09/2026

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 14/09/2026

Cut Tape

£0.473

£0.323

£0.233

Reel

£0.191

£0.175

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

AA4040 SMD LEDs

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