0.39 Inch (9.9 mm) Digit Height Quadruple Digit Seven-Segment Display

• Customization: Available
• Outline Dimensions: 40X14X7mm
• Digit Height: 0.39 Inch
• Model NO.: LD3942DW-W
• Digit Number: Quadruple Digit
• Segment: Excellent Segment Uniformity
• Equivalent: Ltc-4798sw
• Power: Low Power Requirement
• Intensity: High Brightness and High Contrast
• Wide Viewing Angle: 130 Deg
• Bin: Categorized for Luminous Intensity
• Appearance Color: Black Face and White Segment
• Chip: Ingan White
• Electrode: Multiplex Common Cathode
• Dp: 2 Middle Dp
• Vf: 2.7-3.2V
• IR: 10ua
• Transport Package: EPE Foam and Carton Packing
• Specification: RoHS, REACH
• Trademark: LITEKEY
• Origin: China
• HS Code: 8531200000
• Production Capacity: 10 000 000PCS/Year

Product Description

Detailed Photos

 

0.39 Inch (9.9 mm) Digit Height Quadruple Digit Display with white emitting color 
PART NO: LD3942CUW

Package Dimensions

What is the size detail and circuit?

ABSOLUTE MAXIMUM RATINGS (Ta = 25ºC)
 

PARAMETER	Max	UNIT
Power Dissipation Per Segment	72	mW
Peak Forward Current Per Segment(1/10duty cycle ,1KHz)	100	mA
Average Forward Current Per Segment	20	mA
Derating Linear From 25°C Per Segment	0.25	mA/ºC
Reverse Voltage Per Segment	5	V
Operating Temperature Range	-35ºC to + 85ºC
Storage Temperature Range	-35ºC to + 85ºC
Lead Soldering Temperature 260ºC at 1.6mm From Body for 3 second

 

·ELECTRICAL/OPTICAL CHARACTERISTICS AT Ta=25°C:
 

PARAMETER	SYMBOL	MIN.	TYP.	MAX.	UNIT	Test condition
Luminous Intensity Per Segment	Iv	¾	100		mcd	IF=10mA
Chromaticity Coordinates  (Tolerance: ±0.01)	X	-	0.27	-	-	IF=20mA
	Y	-	0.27	-	-	IF=20mA
Forward Voltage Per Segment	VF	¾	3.0	3.8	V	IF=20mA
Reverse Current Per Segment	IR			50	m  A	VR =5V

 

 
 

 

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Factory Overview

 

Our Services/Why choose Us                                            

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.