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0.39 Inch four Digits seven segment Display

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0.39 Inch four Digits seven segment Display

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Model:
LD3944A/B Series
Min order:
1000pcs

Pin 6, 8, 9 and 12 are common pins; DIP(through-hole)0.39 inch four digit LED numeric display; multiplexing internal circuit PCB. Features: 1. 10 mm (0.39inch) digit high 2. Excellent digit appearance 3. Wide viewing angle 4. Range of emitted colors 5. I.C. compatible 6. Low power consumption 7. Black face,White segment 8. RoHS compliant

Package Dimensions and Internal Circuit：

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.

Table1:

Four Digit 7 Segment LED Display, Digit Height:10.00mm(0.39 inch), External Dimensions: 40.18x12.80x7.00mm (LxWxHmm)
Part No.		Chip			I_V@I_F=20mA		Iv@I_F=20mA
Common Cathode	Common Anode	Material	Color	WLD	One Seg		One DP
Common Cathode	Common Anode	Material	Color	WLD	Min.	Typ.	Min.	Typ.
LD3944AR	LD3944BR	GaAlAs	Super Red	640	8	10	8	10
LD3944AD	LD3944BD	GaAlAs	Hi-Red	640	18	25	18	25
LD3944AO	LD3944BO	GaAsP	Orange	625	7	9	7	9
LD3944AY	LD3944BY	GaAsP	Yellow	588	8	10	8	10
LD3944AG	LD3944BG	GaP	Green	568	7	9	7	9
LD3944AUR	LD3944BUR	AlGaInP	Ultra Red	640	30	45	30	45
LD3944AUO	LD3944BUO	AlGaInP	Ultra Orange	625	45	60	45	60
LD3944AUA	LD3944BUA	AlGaInP	Ultra Amber	605	30	45	30	45
LD3944AUY	LD3944BUY	AlGaInP	Ultra Yellow	595	30	45	30	45
LD3944AUG	LD3944BUG	AlGaInP	Ultra Green	573	30	45	30	45
LD3944APG	LD3944BPG	InGaN	Pure Green	525	120	300	120	300
LD3944AUB	LD3944BUB	InGaN	Ultra Blue	470	30	45	30	45
LD3944AUW	LD3944BUW	InGaN	Ultra White	\	100	120	100	120
Unit:	\	\	\	nm	mcd	mcd	mcd	mcd

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 Seg.	1.8	2.2	30	60	25	100
Super Red	Per DP	1.8	2.2	30	60	25	100
Hi-Red	Per Seg.	1.8	2.2	30	60	25	100
Hi-Red	Per DP	1.8	2.2	30	60	25	100
Orange	Per Seg.	2.1	2.5	30	80	30	100
Orange	Per DP	2.1	2.5	30	80	30	100
Yellow	Per Seg.	2.1	2.5	30	80	30	100
Yellow	Per DP	2.1	2.5	30	80	30	100
Green	Per Seg.	2.2	2.5	30	80	30	100
Green	Per DP	2.2	2.5	30	80	30	100
Ultra Red	Per Seg.	1.9	2.6	30	60	30	100
Ultra Red	Per DP	1.9	2.6	30	60	30	100
Ultra Orange	Per Seg.	2	2.6	30	65	30	100
Ultra Orange	Per DP	2	2.6	30	65	30	100
Ultra Amber	Per Seg.	2	2.6	30	65	30	100
Ultra Amber	Per DP	2	2.6	30	65	30	100
Ultra Yellow	Per Seg.	2	2.6	30	65	30	100
Ultra Yellow	Per DP	2	2.6	30	65	30	100
Ultra Green	Per Seg.	2.1	2.6	30	75	30	100
Ultra Green	Per DP	2.1	2.6	30	75	30	100
Pure Green	Per Seg.	3.5	4	30	110	30	100
Pure Green	Per DP	3.5	4	30	110	30	100
Ultra Blue	Per Seg.	3.5	4	30	120	30	100
Ultra Blue	Per DP	3.5	4	30	120	30	100
Ultra White	Per Seg.	3.5	4	30	120	30	100
Ultra White	Per DP	3.5	4	30	120	30	100
Unit:	\	V	V	uA	mW	mA	mA