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Email: sales@ltkey.com
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0.28 Inch Four Digit 7 Segment SMD Display

Gray face and White Epoxy
Common Cathode or common anode SMD Display
Single color:Red, Orange, Green, Yellow, Pure green, Blue, White or Customized color
RoHS and REACH Compliant
High intensity and excellent reliability Digital Display
High quality, Low power consumption
IC compatible , Easy assembly

Quantity:
  • LSD2840A/B
  • LITEKEY
  • 8531200000


0.28 Inch Four Digit Numeric SMD LED Display

0.28 inch Four digit smd led display


1. Outer Dumension & Internal Circuit Diagram

0.28 inch 4 digit SMD display 2840

Notes:

All dimensions are in millimeters (inches) tolerance are 0.25mm(0.010) unless otherwise noted

0.28 inch 4 digit SMD display 2840


2. Selection Guide

Part No.

Chip

Iv@IF=20mA

Common

Anode

Common

Cathode

Material

Color

WLD

Per Chip

Min.

Typ.

LSD2840BR

LSD2840AR

AlGaInP

Super Red

640

-

8

LSD2840BUR

LSD2840AUR

AlGaInP

Ultra Red

620

-

15

LSD2840BO

LSD2840AO

AlGaInP

Orange

605

-

40

LSD2840BY

LSD2840AY

AlGaInP

Yellow

580

-

50

LSD2840BG

LSD2840AG

AlGaInP

Green

570

-

16

LSD2840BPG

LSD2840APG

InGaN

Pure Green

520

-

35

LSD2840BB

LSD2840AB

InGaN

Blue

470

-

25

LSD2840BW

LSD2840AW

InGaN

White

x0.27/y0.25

-

60

Unit:

\

\

\

nm

mcd

mcd


3. Electrical Characteristics & Absolute Maximum Ratings

Parameter

Electrical optical   Characteristics[1]

Absolute Maximum Ratings[1]

Emitted color

Forward Voltage

@ IF=20mA                 

Reverse
  Current
  VR=5V

Power Dissipation

DC Forward Current

Peak Forward Current[2]

Per Chip

Typ.

Max.

Super Red

2.0

2.6

30

60

20

100

 Ultra Red

2.0

2.6

30

65

20

100

 Orange

2.0

2.6

30

65

20

100

Yellow

2.0

2.6

30

65

20

100

Green

2.0

2.6

30

75

20

100

 Pure Green

3.0

3.6

30

85

20

100

 Blue

3.0

3.6

30

85

20

100

White

3.0

3.6

30

85

20

100

 Unit:

V

V

uA

mW

mA

mA


4. Application of  Surface-Mount LED Display(SMD LED Display)

Home appliances.

Instrument panels.

Digital readout displays.


Contact us for more details.


Our Services/Why choose LITEKEY                                            

1. Professional service:  replied within 24 hours(at workdays).
 
2. Various ready moldings of lamp led are available: no need to afford extra fee for moldings.
3. We also can provide customized products, design according to your demand.
 
4. Reliable and stable quality: 100% testing for each piece. Automatic testing and bin code selection machine.
5. Experience: produce LED components for more than 14 years.
6. Advanced Equipment: ASM automatic production machines(biggest brand in LED automatic machines)
7. Concentration: We focus on LED research and development, production and sales.



Recommended SMT Condition

Recommended smd condition

NOTES:                                                            
1.We recommend the reflow temperature 245°C(±5°C).The Maximum soldering temperature should be limited to 260°C.
2.Don’t cause stress to the epoxy resin while it is exposed to high temperature.
3. Number of reflow process shall be 2 times or less.


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