LM12257AB 1.2 Inch 5x7 LED Square Dot Matrix Display

Product Categories: LED Dot Matrix 5x7 LED Matrix

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Product Description:

1.2 inch 5x7 single color LED square dot matrix

Features:

28.60mm (1.2inch) digit high

Dot size: Diameter 3mm

Pitch: 4.10mm

Wide viewing angle

I.C. compatible

Low power consumption

Black face, white dot

RoHS compliant

Available options:

Alternative emitting luminosity:

standard or high brightness version

Alternative emitted color

Alternative face and dot color

Alternative font

Common Cathode is available

Cropped terminal pins

Package Dimensions :

LM12257

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:

LM12257B LM12257A

Table1:

Part No.		Chip			Iv@IF=20mA
CC^[1]	CA^[2]	Material	Color	WLD	One Dot
CC^[1]	CA^[2]	Material	Color	WLD	Min.	Typ.
LM12257AR	LM12257BR	GaAlAs	Super Red	640	8	10
LM12257AD	LM12257BD	GaAlAs	Hi-Red	640	18	25
LM12257AO	LM12257BO	GaAsP	Orange	625	7	9
LM12257AY	LM12257BY	GaAsP	Yellow	588	8	10
LM12257AG	LM12257BG	GaP	Green	568	7	9
LM12257AUR	LM12257BUR	AlGaInP	Ultra Red	640	30	45
LM12257AUO	LM12257BUO	AlGaInP	Ultra Orange	625	45	60
LM12257AUA	LM12257BUA	AlGaInP	Ultra Amber	605	30	45
LM12257AUY	LM12257BUY	AlGaInP	Ultra Yellow	595	30	45
LM12257AUG	LM12257BUG	AlGaInP	Ultra Green	573	30	45
LM12257APG	LM12257BPG	InGaN	Pure Green	525	120	300
LM12257AUB	LM12257BUB	InGaN	Ultra Blue	470	30	45
LM12257AUW	LM12257BUW	SMD	Ultra White	\	100	120
Unit:	\	\	\	nm	mcd	mcd

Notes:

1. CC=Cathode Row,

2. CA=Anode Row

Table2 :

Color		Electrical optical Characteristics^[1]			Absolute Maximum Ratings^[1]
		Forward Voltage@ IF=20mA		Reverse Current VR=5V	Power Dissipation	DC Forward Current	Peak Forward Current^2]
		Typ.	Max.	Reverse Current VR=5V	Power Dissipation	DC Forward Current	Peak Forward Current^2]
Super Red	Per Dot	1.8	2.2	30	60	25	100
Hi-Red	Per Dot	1.8	2.2	30	60	25	100
Orange	Per Dot	2.1	2.5	30	80	30	100
Yellow	Per Dot	2.1	2.5	30	80	30	100
Green	Per Dot	2.2	2.5	30	80	30	100
Ultra Red	Per Dot	1.9	2.6	30	60	30	100
Ultra Orange	Per Dot	2	2.6	30	65	30	100
Ultra Amber	Per Dot	2	2.6	30	65	30	100
Ultra Yellow	Per Dot	2	2.6	30	65	30	100
Ultra Green	Per Dot	2.1	2.6	30	75	30	100
Pure Green	Per Dot	3.5	4	30	110	30	100
Ultra Blue	Per Dot	3.5	4	30	120	30	100
Ultra White	Per Dot	3.5	4	30	120	30	100
Unit:	\	V	V	uA	mW	mA	mA

Notes:

1. At Ta=25 deg.

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

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Product List

LED Selection Guide
7 Segment LED Display: Single Digit LED Display; Dual Digit LED Display; Three Digit LED Display; Four Digit LED Display
14 Segment LED display
16 Segment LED Display
Special LED Display
LED Dot Matrix: 5x7 LED Matrix; 5x8 LED Matrix; 8x8 LED Matrix; Special LED Matrix
LED Light Bar
Standard LED
High Brightness LED
Sighboard oval LED
Flahing LED
Traffic LED
White LED
SMD LED
High Power LED
Super Flux LED
Multi-color LED
Infrared LED
Photodiode Silicon
LED Application

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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