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Email: sales@ltkey.com
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0.28 Inch Dual 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:
  • LSD2821A/B
  • LITEKEY
  • 8531200000


0.28 Inch Dual Digit Numeric SMD LED Display

0.28 inch dual digit smd led display


1. Outer Dumension & Internal Circuit Diagram

0.28 inch 2 digit SMD display 2821

Notes:

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

0.28 inch 2 digit SMD display 2821


2. Selection Guide

Part No.

Chip

Iv@IF=20mA

Common

Anode

Common

Cathode

Material

Color

WLD

Per Chip

Min.

Typ.

LSD2821BR

LSD2821AR

AlGaInP

Super Red

640

-

8

LSD2821BUR

LSD2821AUR

AlGaInP

 Ultra Red

620

-

15

LSD2821BO

LSD2821AO

AlGaInP

 Orange

605

-

40

LSD2821BY

LSD2821AY

AlGaInP

Yellow

580

-

50

LSD2821BG

LSD2821AG

AlGaInP

Green

570

-

16

LSD2821BPG

LSD2821APG

InGaN

 Pure Green

520

-

35

LSD2821BB

LSD2821AB

InGaN

 Blue

470

-

25

LSD2821BW

LSD2821AW

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

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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