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Triple Digit 7 Segment LED Display Common Cathode with Minus Sign for Temperature Indicator

Name: Triple Digit 7 Segment LED Display Common Cathode with Minus Sign for Temperature Indicator
Brand: Shenzhen Guangzhibao Technology Co., Ltd.
SKU: LB3918LR1B
Price: 0.20 USD
Availability: InStock

Brand Name:	LightBo
Model Number:	LB3918LR1B
MOQ:	1000
Payment Terms:	T/T,Western Union

Detail Information

Product Description

Detail Information

Place of Origin:

China,GuangDong

Certification:

ISO9001&RoHS

Digit Size:

Customized

Digital Height:

0.3"( 7.62mm)

Usage:

Indoor

Advantage:

Stable Quality,Prompt Delivery

Responsetime:

10 µs

Led Digit:

Single, Double, Three, Four, Five,six

Emitting Colour:

Ultra Bright White

Surface:

White Segments Black Surface

Wavelength:

462-465nm

Lead Time:

3 - 5 Days

Packagetype:

DIP

Pixels:

10mm

Emitting Color:

Super Red

Panel Size:

40.18x12.8x7mm

Luminous Intensity:

180-200mcd

Highlight:

common cathode 7 segment LED display

triple digit LED temperature indicator

7 segment display with minus sign

Product Description

Triple Digit 7 Segment LED Display with Minus Sign

Common cathode triple-digit 7-segment LED display with dedicated minus sign, specifically designed for clear temperature readouts including negative values.

Product Overview

This specialized LED display features super bright uniform illumination, low power consumption, and stable long-term performance. Ideal for temperature/humidity indicators, home appliances, and instrument panels with full compatibility for standard PCB mounting and driver ICs.

Key Specifications

Parameter	Specification
Display Type	Triple Digit 7-Segment LED Display with Minus Sign
Dimensions	39 × 17.5 × 7.5 mm
Polarity	Common Cathode
Standard Color	Super bright red
Optional Colors	Red, green, blue, yellow, orange, white
Compliance	RoHS, REACH compliant

Product Features

Built-in minus sign for clear negative temperature display (e.g., -18°C, -20°C)
High luminous intensity and excellent reliability
Low power consumption and stable performance
Continuous, evenly lit segments for sharp, consistent readability
Easy mounting on printed circuit boards (PCB)
Fully compatible with standard driver ICs
Long operational lifespan
RoHS & REACH compliant for global market use

Applications

Digital temperature indicators
Humidity meters and environmental monitors
Home appliances (refrigerators, freezers, air conditioners)
Industrial and consumer instrument panels
Digital counters, timers, and control displays

Product Images

Technical Specifications

Absolute Maximum Ratings (Ta=25°C)

Parameter	Symbol	Ratings	Unit
Forward Current (per dice)	Ipm	20	mA
Reverse Voltage (per dice)	Vr	5	V
Power Dissipation (per dice)	Pm	80	mW
Operating Temperature Range	Topr	-40~+85	°C
Storage Temperature Range	Tstg	-40~+85	°C
Solder Temperature (≤3 seconds)	Th	260	°C

Electrical Characteristics by Color Code

Yellow Green (Code: J)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	1.8		2.4	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	30		40	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	569		574	nm

Amber/Yellow (Code: Y)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	1.8		2.5	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	60		80	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	585		595	nm

Orange (Code: F)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	1.8		2.4	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	60		80	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	600		605	nm

Super Bright Red (Code: R)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	1.8		2.2	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	50		60	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	630		635	nm

Ultra Bright Red (Code: UR)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	1.8		2.2	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	80		100	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	625		635	nm

Pure Green (Code: G)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	2.6		3.2	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	120		180	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	515		525	nm

Ultra Bright Blue (Code: BH)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	2.8		3.2	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	120		140	mcd
Spectrum Width of Half Value	△λ	If=10mA		20		nm
Wavelength	Dλ	If=10mA	460		465	nm

Ultra Bright White (Code: WH)

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Forward Voltage	Vf	If=10mA	2.8		3.2	V
Reverse Voltage	Vr	Ir=10uA	5			V
Luminous Intensity	Iv	If=10mA	120		140	mcd
LED Color Temperature	K	If=10mA	5500	20	6800	K
Chromaticity Coordinates	X/Y	If=10mA	0.29,0.32		0.30,0.33	nm

Manufacturer Information

SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO)
Established in 2006, we are an integrated company specializing in R&D, manufacturing and sales of optoelectronics LED displays. ISO 9001:2015 Quality Management Systems certified company with more than 15 years OEM and ODM experience.

LIGHTBO has been committed to providing high quality and low cost customized solutions to help customers reduce cost and enhance competitiveness.

Product Applications

7 Segment LED Display, Customized LED Display, Numeric LED Display, Dot matrix LED Display, widely used for home appliances, temperature indicators, humidity indicators, refrigerator controller, thermostats indicator, heating and cooling control and more.

Certifications

Office and Factory Overview

Company Exhibitions

Shipping Services

Frequently Asked Questions

Q1: Are you trading company or manufacturer?

A: We are original manufacturer with more than 20 years experience in optoelectronic LED displays.

Q2: What is your main products?

A: Our main products include 7 Segment LED display, SMD LED Display, Dot matrix LED Display, Arrow LED display, Custom Design LED Display, LED light bar, Through hole led, SMD LEDs, LED Backlights, and more.

Q3: What is your MOQ?

A: Our MOQ is 1000 pcs. We can also accept sample orders and small orders with quantity less than our MOQ.

Q4: Before placing order, Can I get some samples for test?

A: Yes. We can provide 5-10 free samples for your testing, but the freight cost will be borne by the customer.

Q5: How long is your delivery time?

A: Delivery time: About 10-20 days; According to order quantity and raw materials. If you have urgent order and we have raw materials in stock, we can adjust our production plan to make it ready within 7-10 days.

Q6: What is your terms of payment?

A: We accept bank transfer, T/T, Western Union and Paypal with small amount. Details of payment methods can be negotiable.

Q7: Can you quote me FOB prices?

A: Yes. We can quote you prices based on incoterms EXW, FOB, CIF, DDP.

Q8: How can I get your catalogue and price list?

A: Yes. Please let us know your email address or contact us from website directly for our catalogue and price list.

Q9: Can I negotiate the prices?

A: Yes, we may consider discounts for bulk orders.

Q10: How much will the shipping charges be?

A: It depends on the size of your shipment and the method of shipping. We will offer the charge to you as you requested.

Q11: Can you do custom design products?

A: Yes, OEM & ODM service are available. We can customize the sizes, LED color and functional icons according to your requirements.

Q12: If I send my design, can you make it for myself only, and will not show it to anyone else?

A: Yes, we will not show it or sell to others without your authorization.

Q13: What will be the samples lead time for customized products?

A: Samples lead time will be about 20-25 working days after receiving mold cost and mold drawing approval from customers.

Q14: What is the shipping methods?

A: We usually ship the goods by DHL, FEDEX, UPS, EMS, BY AIR, BY SEA etc. You can also choose the other way that best for you.

Q15: How do you ensure the quality of your products?

A: We are ISO 9001 QMS certified manufacturers with more than 20 years experience. We conduct twice 100% percent test for all of our products before shipment.

Tags:

7 Segment LED Display

14 Segment LED Display

16 Segment LED Display

Alphanumeric LED Display

5x7 Dot Matrix LED Display

8x8 Dot Matrix LED Display

Dot Matrix LED Display

Custom LED Display

Oven Timer LED Display

Temperature Control LED Display

Electric Scooter LED Display

Numeric LED Display

LED Clock Display

Arrow LED Display

LED Backlight

LED Light Bar

SMD LED Display

7 Segment LED Display

14 Segment LED Display

16 Segment LED Display

Alphanumeric LED Display

5x7 Dot Matrix LED Display

8x8 Dot Matrix LED Display

Dot Matrix LED Display

Custom LED Display

Oven Timer LED Display

Temperature Control LED Display

Electric Scooter LED Display

Numeric LED Display

LED Clock Display

Arrow LED Display

LED Backlight

LED Light Bar

SMD LED Display

products details

Triple Digit 7 Segment LED Display Common Cathode with Minus Sign for Temperature Indicator

Triple Digit 7 Segment LED Display Common Cathode with Minus Sign for Temperature Indicator

common cathode 7 segment LED display

triple digit LED temperature indicator

7 segment display with minus sign