4 Digit 7 Segment LED Display for clock

 4 Digit 7 Segment LED Display


1 General Specification: 

Connecting form: Common yan
Emitted Color:BLUE
Lens Color:Black, white
Max Size REF: 30X14MM

2 Absolute Ratings(ta=25ºC): 

Parameter	Symbol	Rating	Unit
Power Dissipation	Pd	50	mW
Peak Forward Current	Ifp	80	mA
Continuous Forward Current Forward )Current	Ifm	20	mA
Reverse Voltage	VR	7	V
Operating Temperature Range	Topr	-20 → +80	ºC
Storage Temperature Range	Tstg	-20 → +80	ºC
Static Voltage	Var	1000	V

 
 
3.  Optical-Electronical Characteristic
 

Luminous Intensity	IF=20mA	Iv	20	23	25	mcd
Forward Voltage	IF=20mA	VF	2.5	3.0	3.6	V
REVERSE Current	VR = 7V	IR	-	-	50	uA
Peak Wavelength	IF=20mA	λp	465	466	467.5	nm

 
 
 
 
4.Mechanical Outline:

 



Three Digits 7 Segment LED Display

Available Digit Height:	0.25 inch, 28 inch, 0.3 inch, 0.36 inch, 0.39 inch, 0.56 inch, and 0.8 inch.
Available Emitting color:	Red, yellow-green, orange, amber, yellow, pure green, blue, white, dual color and RGB.
Available Face color:	Red, white, grey, and black.
Available Segment Color:	Red, white (milky),water clear, and yellow.
Available Electrode:	Common anode or common cathode

We can customize according to our customer's requirements on the special matrix height, dot size, and internal circuit and outline dimension.

Features 
Ø         7.60 mm (0.30 inch) digit high              
Ø         Excellent digit appearance                 
Ø         Wide viewing angle                       
Ø         Range of emitted colors                   
Ø         I.C. compatible                           
Ø         Low power consumption                   
Ø         White segment                           
Ø         RoHS compliant



 
 
Selection Guide
 

Dual Digit 7 Segment LED Display, Digit Height: 7.62mm(0.30inch), External Dimensions: 15.50x15.00x7.20mm (L x W x H)
Part No.		Chip			Iv@IF=20mA		Iv@IF=20mA
Common  Cathode	Common Anode	Material	Color	WLD	One Seg		One DP
					Min.	Typ.	Min.	Typ.
LD3021AR	LD3021BR	GaAlAs	Super Red	640	8	10	8	10
LD3021AD	LD3021BD	GaAlAs	Hi-Red	640	18	25	18	25
LD3021AO	LD3021BO	GaAsP	Orange	625	7	9	7	9
LD3021AY	LD3021BY	GaAsP	Yellow	588	8	10	8	10
LD3021AG	LD3021BG	GaP	Green	568	7	9	7	9
LD3021AUR	LD3021BUR	AlGaInP	Ultra Red	640	30	45	30	45
LD3021AUO	LD3021BUO	AlGaInP	Ultra Orange	625	45	60	45	60
LD3021AUA	LD3021BUA	AlGaInP	Ultra Amber	605	30	45	30	45
LD3021AUY	LD3021BUY	AlGaInP	Ultra Yellow	595	30	45	30	45
LD3021AUG	LD3021BUG	AlGaInP	Ultra Green	573	30	45	30	45
LD3021APG	LD3021BPG	InGaN	Pure Green	525	120	300	120	300
LD3021AUB	LD3021BUB	InGaN	Ultra Blue	470	30	45	30	45
LD3021AUW	LD3021BUW	InGaN	Ultra White	\	100	120	100	120
Unit:	\	\	\	nm	mcd	mcd	mcd	mcd

 
Available options
 
Ø         Alternative emitting luminosity:
Standard or high brightness version
Ø         Alternative emitted color
Ø         Alternative segment color
Ø         Alternative font
Ø         Common Cathode is available
Ø         Cropped terminal pins
How we produce this 0.3 inch dual digits 7 segment LED display?


Please visit our factory view:





Why choose us:





Payment way:





Delivery company:


FAQ:

1. I want the 7 Segment display 8 digits and the outline size is 65x30x2.8mm...…?

Answer: No problem. Firstly, please kindly send us your specification.
If you have not the specification, you can also provide your samples; we will recommend the suitable one
 if it is standard products. Or we can customize for you based on your own requirement.

2.This 7 Segment display   is just what we want, but it is big size, do you have any smaller size? And the display content need to be changed a little.
     Answer: For the segment type 7 Segment display , if you need modify the outline size or display content, 
a new 7 Segment display  is need. We have to open new tooling for you.

3. I want customize a new 7 Segment display . Can you do?
     Answer: Yes, we can. Please send your drawing paper. If you have not, please advise me the outline size 
of the 7 Segment display , display information we can customize for you. 

4. What is leading time for tooling?
     Answer: General speaking, it will cost 10 to 15 days  after drawing paper confirmation and tooling charge payment, 
we can report you the exact time when you confirm the drawing paper.

5. Can you send us samples for checking?
    Answer: Yes,. Samples order is available.

6. What is the Leading Time?
   Answer: If we have stock for the standard ones, the leading time is one day after payment. If it is the mass production for 
special ones, the leading time is about 15-30 days. suppose we can finish earlier,  we will report the information in advanced.

Our Services:
1. Free repair within one year after the shipment of products from us.
2. Replacement within 30 days after the shipment of products from us due to products' problems.
3. We can print your logo and stick your model No.on the cameras.
4. We have long cooperation with many shipping companies and our export volume is large. The shipping companies 
can offer us good discounts.
5. Professional technician supports. We have a good after-sales service team. They can solve your problems in time.
6.All goods will be inspected and tested by our engineers and QC/QA before packing and shipment.
7.Customers satisfactory is most important to us.If you have any problem or questions regarding our transaction.Please contact us by Email or online. It will be responded within 24 hours.
8.Products pictures only for your reference. please kindly refer to the specification. we can provide the products basic on the specification. or you can offer your own specification or drawing , we can customize all kinds of 7 Segment display  for you. thanks for your kind support always.

 
If you are interested in our products, Please feel free to contact us with below!
 BigBook International Co., limited. 
Contact person: Echo Wang  (Ms.)
Phone no. :0086-13827213376