LED - Light Emitting Diodes

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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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Types of LED - Light Emitting Diodes

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Part #

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040QBS/D-AMT
Kingbright
1: $0.95
3,134In 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

3,134In Stock

Cut Tape

$0.95

$0.654

$0.481

Reel

$0.403

$0.378

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Blue LEDs

SMD/SMT

PLCC-2

460 nm

Blue

Single Colour LEDs 4x4mm RA Red PLCC2

AA4040LSURCKT-AMT
Kingbright
1: $0.81
1,843In Stock
2,000Expected 22/06/2026

Mfr. Part No.
AA4040LSURCKT-AMT

Mouser Part No
604-AA4040LSURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

1,843In Stock

2,000Expected 22/06/2026

Cut Tape

$0.81

$0.566

$0.414

Reel

$0.359

$0.325

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Red LEDs

SMD/SMT

PLCC-2

645 nm

Red

Single Colour LEDs 4x4mm RA Yellow PLCC2

AA4040LSYCKT/J3-AMT
Kingbright
1: $0.97
1,485In Stock

Mfr. Part No.
AA4040LSYCKT/J3-AMT

Mouser Part No
604-AA4040LSYCKTJ3AM

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

1,485In Stock

Cut Tape

$0.97

$0.677

$0.50

Reel

$0.419

$0.382

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Yellow LEDs

SMD/SMT

PLCC-2

590 nm

Yellow

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040LZGCKT-AMT
Kingbright
1: $1.00
1,787In Stock

Mfr. Part No.
AA4040LZGCKT-AMT

Mouser Part No
604-AA4040LZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

1,787In Stock

Cut Tape

$1.00

$0.701

$0.517

Reel

$0.436

$0.395

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

515 nm

Green

Single Colour LEDs Red Water Clear 630nm 450mcd

AA4040SURSK
Kingbright
1: $0.59
14,113In Stock
29,000Expected 15/06/2026

Mfr. Part No.
AA4040SURSK

Mouser Part No
604-AA4040SURSK

Kingbright

Single Colour LEDs Red Water Clear 630nm 450mcd

Learn More

Datasheet

14,113In Stock

29,000Expected 15/06/2026

Cut Tape

$0.59

$0.407

$0.304

Reel

$0.239

$0.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Red LEDs

SMD/SMT

PLCC-2

630 nm

Red

Single Colour LEDs 4x4mm RA Red PLCC2

AA4040SURCKT-AMT
Kingbright
1: $0.81
653In Stock
1,500Expected 26/06/2026

Mfr. Part No.
AA4040SURCKT-AMT

Mouser Part No
604-AA4040SURCKTAMT

Kingbright

Single Colour LEDs 4x4mm RA Red PLCC2

Learn More

Datasheet

653In Stock

1,500Expected 26/06/2026

Cut Tape

$0.81

$0.566

$0.414

Reel

$0.351

$0.317

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Red LEDs

SMD/SMT

PLCC-2

645 nm

Red

Single Colour LEDs 4x4mm RA Yellow PLCC2

AA4040SYCKT/J3-AMT
Kingbright
1: $0.97
894In Stock
1,000Expected 15/06/2026

Mfr. Part No.
AA4040SYCKT/J3-AMT

Mouser Part No
604-AA4040SYCKTJ3AMT

Kingbright

Single Colour LEDs 4x4mm RA Yellow PLCC2

Learn More

Datasheet

894In Stock

1,000Expected 15/06/2026

Cut Tape

$0.97

$0.677

$0.50

Reel

$0.419

$0.382

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Yellow LEDs

SMD/SMT

PLCC-2

590 nm

Yellow

Single Colour LEDs Green 570nm Water Clear 70mcd

AA4040CGCK
Kingbright
1: $0.46
4,682In Stock

Mfr. Part No.
AA4040CGCK

Mouser Part No
604-AA4040CGCK

Kingbright

Single Colour LEDs Green 570nm Water Clear 70mcd

Learn More

Datasheet

4,682In Stock

Cut Tape

$0.46

$0.322

$0.238

Reel

$0.188

$0.179

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

570 nm

Green

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040LCGCK-AMT
Kingbright
1: $0.70
61In Stock
8,500On Order

Mfr. Part No.
AA4040LCGCK-AMT

Mouser Part No
604-AA4040LCGCK-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

61In Stock

8,500On Order

Cut Tape

$0.70

$0.485

$0.353

Reel

$0.293

$0.263

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

574 nm

Green

Single Colour LEDs Blue Water Clear 465nm 300mcd

AA4040QBS/G
Kingbright
1: $1.04
2,928In Stock

Mfr. Part No.
AA4040QBS/G

Mouser Part No
604-AA4040QBS/G

Kingbright

Single Colour LEDs Blue Water Clear 465nm 300mcd

Learn More

Datasheet

2,928In Stock

Cut Tape

$1.04

$0.632

$0.533

Reel

$0.448

$0.406

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Blue LEDs

SMD/SMT

PLCC-2

465 nm

Blue

Single Colour LEDs Orange Water Clear 601nm 400mcd

AA4040SESK
Kingbright
1: $0.55
2,986In Stock

Mfr. Part No.
AA4040SESK

Mouser Part No
604-AA4040SESK

Kingbright

Single Colour LEDs Orange Water Clear 601nm 400mcd

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Datasheet

2,986In Stock

Cut Tape

$0.55

$0.378

$0.272

Reel

$0.209

$0.195

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Orange LEDs

SMD/SMT

PLCC-2

610 nm

Orange

Infrared Emitters

AA4040SF4BT-P22
Kingbright
1: $0.78
783In Stock

Mfr. Part No.
AA4040SF4BT-P22

Mouser Part No
604-AA4040SF4BT-P22

Kingbright

Infrared Emitters

Learn More

Datasheet

783In Stock

Cut Tape

$0.78

$0.537

$0.393

$0.328

Reel

$0.288

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

IR Emitters (IR LEDs)

SMD/SMT

SMD-2

Single Colour LEDs Yellow Water Clear 590nm 250mcd

AA4040SYSK
Kingbright
1: $0.62
98In Stock
20,500On Order

Mfr. Part No.
AA4040SYSK

Mouser Part No
604-AA4040SYSK

Kingbright

Single Colour LEDs Yellow Water Clear 590nm 250mcd

Learn More

Datasheet

98In Stock

20,500On Order

Cut Tape

$0.62

$0.43

$0.312

Reel

$0.242

$0.226

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Yellow LEDs

SMD/SMT

PLCC-2

590 nm

Yellow

Single Colour LEDs Green Water Clear 525nm 800mcd

AA4040ZGS
Kingbright
1: $0.68
4,504In Stock
8,000Expected 08/06/2026

Mfr. Part No.
AA4040ZGS

Mouser Part No
604-AA4040ZGS

Kingbright

Single Colour LEDs Green Water Clear 525nm 800mcd

Learn More

Datasheet

4,504In Stock

8,000Expected 08/06/2026

Cut Tape

$0.68

$0.47

$0.336

Reel

$0.282

$0.265

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

515 nm

Green

Single Colour LEDs Green Water Clear 525nm 1200mcd

AA4040ZGS/G
Kingbright
1: $1.06
757In Stock

Mfr. Part No.
AA4040ZGS/G

Mouser Part No
604-AA4040ZGS/G

Kingbright

Single Colour LEDs Green Water Clear 525nm 1200mcd

Learn More

Datasheet

757In Stock

Cut Tape

$1.06

$0.744

$0.552

Reel

$0.465

$0.423

View

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

525 nm

Green

Single Colour LEDs Blue Water Clear 470nm 150mcd

AA4040QBS/D
Kingbright
1: $0.42
6,044In Stock

Mfr. Part No.
AA4040QBS/D

Mouser Part No
604-AA4040QBS/D

Kingbright

Single Colour LEDs Blue Water Clear 470nm 150mcd

Learn More

Datasheet

6,044In Stock

Cut Tape

$0.42

$0.344

$0.248

Reel

$0.185

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Blue LEDs

SMD/SMT

PLCC-2

460 nm

Blue

Single Colour LEDs 4x4mm RA Green PLCC2

AA4040ZGCKT-AMT
Kingbright
1: $0.97
54In Stock
1,500Expected 01/06/2026

Mfr. Part No.
AA4040ZGCKT-AMT

Mouser Part No
604-AA4040ZGCKT-AMT

Kingbright

Single Colour LEDs 4x4mm RA Green PLCC2

Learn More

Datasheet

54In Stock

1,500Expected 01/06/2026

Cut Tape

$0.97

$0.677

$0.50

Reel

$0.419

$0.382

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Green LEDs

SMD/SMT

PLCC-2

515 nm

Green

Single Colour LEDs 4x4mm RA Blue PLCC2

AA4040LQBS/D-AMT
Kingbright
1: $0.97
1,029On 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

1,029On Order

Cut Tape

$0.97

$0.677

$0.50

Reel

$0.419

$0.382

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Single Color LEDs

Blue LEDs

SMD/SMT

PLCC-2

460 nm

Blue

AA4040 SMD LEDs

Types of LED - Light Emitting Diodes

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