LD8021A/B: 0.8 inch two digit seven segment LED display

Product Categories: 7 Segment LED Display Dual Digit LED Display

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Product Description:

0.8 inch 2 digits led display 7 segment led display

Features:

20.3mm (0.80inch) digit high
Excellent digit appearance
Wide viewing angle
Range of emitted colors
I.C. compatible
Low power consumption
Gray face, white segment RoHS compliant

Available options:

Alternative emitting luminosity:
standard or high brightness version
Alternative emitted color
Alternative face and segment color
Alternative font
Common Cathode is available
Cropped terminal pins

Package Dimensions:

LD8021

Notes:

1. All dimensions are in millimeters(inches), Tolerance is + 0.25mm(0.01inch)unless other wise noted.

2. Specifications are subject to change without notice.

3. The gap between the reflector and PCB shall not exceed 0.25mm.

Internal Circuit Diagram:

Table1

Dual Digits 7 Segment LED Display, Digit Height: 20.3mm(0.80inch), External Dimensions: 35.8x25.8x10mm (LxWxH)
Parameter	Part No.		Chip			Iv(mcd)@20mA		Iv(mcd)@20mA
	Common Anode	Common Cathode	Material	Color	W LD (nm)	One Seg		One DP
	Common Anode	Common Cathode	Material	Color	W LD (nm)	Min.	Typ.	Min.	Typ.
Standard Intensity	LD8021BR	LD8021AR	GaAlAs	Red	640	8	10	16	20
	LD8021BD	LD8021AD	GaAlAs	Super Red	640	18	25	36	50
	LD8021BO	LD8021AO	GaAsP/GaP	Orange	625	7	9	14	18
	LD8021BY	LD8021AY	GaAsP/GaP	Yellow	588	8	10	16	20
	LD8021BG	LD8021AG	GaP	Green	568	7	9	14	18
High Brightness	LD8021BUR	LD8021AUR	AlGaInP	Ultra Red	640	30	45	60	90
	LD8021BUO	LD8021AUO	AlGaInP	Ultra Orange	625	30	45	60	90
	LD8021BUA	LD8021AUA	GaAlAs	Ultra Amber	605	30	45	60	90
	LD8021BUY	LD8021AUY	GaAsP/GaP	Ultra Yellow	595	30	45	60	90
	LD8021BUG	LD8021AUG	GaAsP/GaP	Ultra Green	573	30	45	60	90
	LD8021BPG	LD8021APG	GaN	Pure Green	525	120	150	240	300
	LD8021BUB	LD8021AUB	GaN	Ultra Blue	470	30	45	60	90
	LD8021BUW	LD8021AUW	---	Ultra White	---	100	120	200	240

Table2 Parameters for one segment

Part No.	Electrical optical Characteristics^[1]			Absolute Maximum Ratings^[1]
CC/CA^[2]	Forward Voltage(V) @ IF=20mA		Reverse Current VR=5V (?A)	Power Dissipation (mW)	DC Forward Current (mA)	Peak Forward Current^[3] (mA)	Reverse Voltage (V)	Operating/ Storage Temp.: -40 to +80 deg.; Lead Solder Temp.: 260 deg. for 3-5 Sec. 2mm below package base
CC/CA^[2]	Typ.	Max.	Reverse Current VR=5V (?A)	Power Dissipation (mW)	DC Forward Current (mA)	Peak Forward Current^[3] (mA)	Reverse Voltage (V)
LD8021A/BR	1.8	2.2	5	60	25	100	5
LD8021A/BD	1.8	2.2	5	60	25	100	5
LD8021A/BO	2.1	2.5	5	80	30	100	5
LD8021A/BY	2.1	2.5	5	80	30	100	5
LD8021A/BG	2.2	2.5	5	80	30	100	5
LD8021A/BUR	1.9	2.6	5	60	25	100	5
LD8021A/BUO	2.0	2.6	5	65	30	100	5
LD8021A/BUA	2.0	2.6	5	65	30	100	5
LD8021A/BUY	2.0	2.6	5	65	30	100	5
LD8021A/BUG	2.1	2.6	5	75	30	100	5
LD8021A/BPG	3.5	4.0	5	110	30	100	5
LD8021A/BUB	3.5	4.0	5	120	30	100	5
LD8021A/BUW	3.5	4.0	5	120	30	100	5

Notes:

1. At Ta=25 deg.

2. CC=Common Cathode; CA=Common Anode

3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse

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Lightkey Company Limited
ADD:	Building 2, No. 1479, Liyuan Road, Yinzhou District, Ningbo, China.
Tel:	0086-574-86322282
Fax:	0086-574-86322283
Email:	sales@lightkey-opto.com

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