Content
With the development of society and the improvement of people's quality of life, people are paying more and more attention to energy saving, emission reduction and environmental protection. As a new lighting product, LED tube lights have very broad market prospects and development space.LED bead as one of the most important components, play a decisive role in the performance of the entire lamp.Therefore, how to choose lamp beads is also a question that most people are concerned about.
Part 1. led tube light specifications
These parameters are what you need to check when purchasing LED tube light beads:Luminous Intensity.Luminous Efficacy.Power.Voltage.Current.Color Temperature.CRI.Beam Angle.Package type
Part 2. Well-Known Brand T8 led light specifications
1.Benwei lighting
Specifications：
·Package: 2.8*3.5*-0.75mm (TOP view white LED)
·Emitted Color: Is White
·Mono-color type
·Soldering methods: All SMT assembly methods
·Comply ROHS standard.
·Forward Current ：60
·Operating Temperature ：-30℃~85℃
·Storage Temperature ：-40℃~85℃
·Color Temperature ：3000K-7000K
·Viewing Angle ：120degree
Applications:
LCD back light.
Mobile phones: LCD
Status indicators: Consumer & industrial electronics.
General use.
1.Everlight Electronics 67-24ST/KKE-N27130130Z8/SZM/2T
Specifications：
·Package type：SMD 2835
·Wavelength：621nm
·Color temperature：2700K
·IP rating：IP65
·Viewing angle：120degree
·CRI(RA＞)：80
·Luminous Flux：125 lm
Feature：
PLCC-2 package
Top view white LED
High luminous intensity output
Wide viewing angle
Pb-free ˙ANSI Binning
The product itself will remain within RoHS compliant version.
Compliance with EU REACH.
Compliance Halogen Free .(Br<900ppm,CI<900ppm,Br+CI<1500ppm)
The Everlight 67-24ST package has high efficacy, high CRI, low power consumption, wide viewing angle and a compact form factor. These features make this package an ideal LED for all lighting applications.
Company Profile：
EVERLIGHT Electronics Co., Ltd. was founded in 1983 in Taipei, Taiwan led by Chairman Robert Yeh. EVERLIGHT has over 40 years of R&D experience for reliable capability. With immediate service and an excellent brand reputation, EVERLIGHT has taken top five worldwide in the competitive LED market. Our products are manufactured and packed in-house to guarantee maximum quality and service. EVERLIGHT provides a diverse product portfolio consisting of High Power LEDs, SMD LEDs, Lamps, Lighting Components, LED Lighting Modules, Digital Displays, Opto-couplers and Infrared Components for various applications. its laboratory in Tucheng, Taipei received the highest standard recognition by the
Unite.Simultaneously, EVERLIGHT's laboratory was also qualified to use the ILAC-MRA mark on its laboratory reports, the signet for Mutual Recognition Arrangement (MRA) of the International Laboratory Accreditation Cooperation (ILAC).
2.Cree J Series® 2835 G Class Pro9™ LEDrn
Specifications：
·Package type：SMD 2835
·Size: 2.8 x 3.5 x 0.7 mm
·Forward Voltage: 2.67 V to 2.8 V
·Forward Current: 480 mA
·Luminous Flux: 27 to 30.5 lm (typical)
·Power: 0.2 W
·Viewing Angle: 120°
·Color Temperature: 2700K to 6500K
·CRI: Up to 95
·Thermal Resistance: 7.6°C/W
·Operating Temperature: -40°C to 105°C
·Junction Temperature: Max 125°C
Feature：
Designed for low-power, high-efficiency applications, including indoor illumination Offered with high Colour Rendering Index (CRI) choices for enhanced colour fidelity Electrostatic Discharge (ESD) protection: Class 2 Compliant with RoHS and REACH regulations.
Events：
Cree LED has introduced XLamp XP-G3 S Line and XP-G4 White LEDs that are now brighter, with new minimum flux bin options for drop-in increases of output and efficacy. XP-G4 LEDs incorporate the latest advancements in high-power LED technology for improved optical performance while delivering industry leading efficacy. XP-G3 S Line LEDs remain a popular choice for long-lifetime, highly efficient outdoor lighting due to its efficacy and best-in-class sulfur resistance.XP-G3 White S Line LEDs lead the industry for efficacy and reliability, featuring excellent corrosion resistance and better system reliability through switching and dimming cycles. XP-G3 S Line LEDs feature LM-80 coverage with Reported L90 lifetimes up to >121,000 hours.
tXP-G4 White LEDs are the latest generation in the popular XPG product family, featuring optical and performance improvements:
1.Higher intensity & less color-over-angle than the previous generation XP-G3 White LEDs
2.LM-80 coverage with Reported L90 lifetimes up to >145,000 hours
3.3A max current, the highest available in this performance class
4.High Intensity version
In addition, XP-G4 White LEDs provide the widest range of phosphor options available on a single-die high-power LED, including Standard, Broadcast and Pro9™ versions.
3.Samsung LM281B+ series
Specifications：
·Package type：SMD 2835
·Luminous Efficacy:213 lm/W
·Forward Voltage: 2.7V to 2.9V
·Maximum Drive Current: 150 mA
·Luminous Flux:2700K
·CRI：80
·Color Temperature: 2700K to 6500K
·Viewing Angle: 120degree
·Thermal Resistance: ~9°C/W
·Operating Temperature: -40°C to +85°C
Feature：
The LM281B+ has a luminous effectiveness of up to 213 lm/W, making it very energy-efficient and suitable for situations where power conservation is critical.
The Pro version of this series is engineered for exceptional dependability, with enhanced resilience to environmental conditions like humidity, temperature variations, and sulphurization. This makes the LED very
appropriate for both indoor and outdoor applications.
It accommodates a broad colour temperature spectrum (2700K to 6500K), addressing both warm and cold illumination requirements. The CRI choices (80+ and 90+) guarantee precise colour rendering, which is crucial for retail, residential, and commercial settings.
The LM281B+ has superior resilience to thermal stress and environmental degradation, resulting in an extended operational lifetime relative to conventional LEDs, hence reducing the need for replacements and maintenance.
Engineered for use in diverse luminaires and ambient lighting solutions, it harmonises cost, performance, and efficiency, rendering it favoured for retrofit lamps, linear lights, and downlights.
Company Profile：
As a branch of Samsung Electronics, Samsung LED is dedicated to the development, manufacturing, and marketing of LED parts and solutions. One of the top companies in the world for LEDs is Samsung, which offers a variety of LED products for automobiles, general illumination, displays, and other applications.
High-performance LEDs are available from Samsung for both indoor and outdoor use, including the LM and LH series. Because of their superb colour rendering, extended lifetime, and great efficiency, these LEDs are widely used in commercial, industrial, and residential lighting.
Additionally, Samsung produces LED parts for TVs, large-format displays, and mobile devices, which improves brightness, energy efficiency, and picture quality.
Innovations like the LM281B+ Pro and LH351 series, which provide excellent dependability, resilience to environmental stress, and energy-efficient performance, are well-known from Samsung. Additionally, their goods abide with international environmental standards such as RoHS and REACH.
4.OSRAM OSCONIQ® E 2835 LED
Specifications：
·Package type:SMD 2835
·Luminous Efficacy:212 lm/W
·Luminous Flux:37.2 lm
·Forward Voltage:2.8 V to 3.0 V
·Maximum Drive Current:180 mA
·Color Temperature:2200K to 6500K
·CRI:70,80,90
·Viewing Angle:120°
·Thermal Resistance:~8°C/W
·Operating Temperature:-40°C to +105°C
Feature：
High Performance:
It has a very high luminous effectiveness of up to 212 lm/W. Because of this, it may be used for energy-efficient applications like street and commercial lighting.
Broad Range of Applications:
It is intended for several applications, such as industrial lighting, area lighting, and interior illumination. Because of its small size (2.8 x 3.5 mm), it may be easily integrated into a variety of luminaires.
Equivalent Distribution of Light:
The OSCONIQ® E 2835 offers homogeneous, broad light dispersion with a viewing angle of 120°. This is perfect for places like workplaces or outdoor spaces where even lighting is needed.
Superior Lighting:
With CRI settings up to 90, the LED guarantees precise colour representation and high-quality lighting. Because of this, it may be used for lighting applications like retail and hospitality, where colour accuracy is crucial.
Lumileds LUXEON 2835 Commercial series
Specifications：
·Package tpye:SMD 2835
·Luminous Efficacy:180 lm/W
·Luminous Flux:37 to 56 lumens
·Forward Voltage:2.7V to 3.1V
·Maximum Drive Current:200 mA
·Color Temperature:1800K to 6500K
·CRI:70, 80, 90
·Viewing Angle:120°
·Thermal Resistance:Around 7°C/W
·Operating Temperature:-40°C to +105°C
Feature：
Excellent power efficiency at low power consumption, perfect for both home and business uses.
Its wide colour temperature range makes it adaptable to a variety of lighting conditions.
Excellent choices for colour rendering in environments with superior lighting, such retail or hospitality.
Company Profile：
LED and microLED technology advancements are creating tremendous opportunities in the field of light. Today's lighting solutions need to work and last, and they must offer clear and compelling benefits that provide customers a competitive advantage.
From its early days as part of Hewlett-Packard and the pioneer of high-power LEDs to the leading company for microLED technology for automotive and display solutions, Lumileds continues to build innovation, quality, and reliability into its technology, products, and customer engagements.
Nichia 757 Series
Specifications：
·Package Size:SMD 2835
·Luminous Efficacy:220 lm/W
·Luminous Flux:42 lm at 65mA
·Forward Voltage:2.7V to 3.1V
·Maximum Drive Current:200 mA
·Color Temperature:2700K to 6500K
·CRI:70, 80, 90+
·Viewing Angle:120°
·Thermal Resistance:8°C/W
·Operating Temperature:-40°C to +100°C
Core technology:
Nichia has developed diverse products in various fields. Tracing back this evolution, it is easy to see that the origin of Nichia's products stemmed from the production of anhydrous calcium chloride produced from limestones mined in Tokushima. The series of "Core Technologies" shown in the below diagram was developed through a history of challenges starting from that origin. All Nichia products are manufactured by the combination of these "Core Technologies", especially the powder calcination technology and crystal growth. The core competence of Nichia's products is cultivated by an integrated production system based on wide-ranging expertise and the combination of Nichia's core technologies.
7.Phillip LUXEON 2835 series
Specifications：
·Luminous Efficacy：200 lm/W
·Package type：SMD 2385
·Voltage：6V. 9V
·Drive Current：240 mA
·Color Temperature：2200K - 6500K
·CRI： 80, 90
·Luminous Flux：80 lm-130 lm
·Lifespan：50,000h
Feature：
Excellent light output from the LUXEON 2835 series ensures that it can continue to provide enough brightness while maintaining high light efficiency and low power consumption.
With its 1/9 micro-color distinction and 3-to 5-step MacAdam elliptical colour pack, these LEDs provide accurate colour temperature management, guaranteeing colour constancy and accurate colour matching.
This product series supports a maximum driving current of 240mA, which may lower the number of LEDs utilised. It offers a range of voltage combinations to adapt to diverse application demands.
Devices packed in standard sizes are simple to replace and incorporate into pre-existing designs, increasing the adaptability and simplicity of installation of the product.
8.Bridgelux SMD 2835 0.2W 3V
Specifications：
·Package type:SMD 2835
·Color Temperature：2700K - 6500K
·CRI：80
·Drive Current：65 mA
·Forward Voltage:2.6V to 2.9V
·Luminous Efficacy：204 lm/W
·Luminous Flux:36 lm
·Storage Temperature：-40°C to +105°C
Feature：
High efficacy and lumen per dollar.
Industry standard form factors and footprint.
ANSI compliant color bins.
Excellent lumen maintenance.
Broad range of CCT and CRI configurations.
Benefits
Competitive system performance and cost.
Ease of design and rapid go-to-market.
Enables uniform and consistent white light.
Highly reliable fixture quality.
Design flexibility.
EDISON PLCC S Series
Specifications：
·Package type:SMD 2835
·Color Temperature：2700K - 6500K
·Dimension: 3.5 mmx2.8 mm
·View Angle: 120°
·Chip technology: InGaN
·Luminous flux : typ. 145lm
·Temperature Storage：-40°C - 100°C
·CRI：70
Company profile：
Edison Opto Corporation Ltd., was founded in 2001, with LED lighting as the main product in the early days of the LED industry. At the beginning of its establishment, when the LED industry was budding, Edison Opto started with medium and high power lighting components, followed the development of the LED industry from the competitive period into diversified applications, developed various niche markets along the way, and cultivated its own R&D strength and technical advantages. To date, the corporation has developed professional lighting products such as LED components, DOBs, AC modules, DC modules, automotive lighting applications, horticulture lighting, and street lighting in an attempt to expand the market, become a pioneer in Taiwan's lighting industry, and build a lighting design and integration service kingdom.
In order to establish a systematic module, Edison Opto creates a thermal, electrical, mechanical and optical (TEMOTM) technology and design service platform to improve product quality, and pioneers lighting integration and other design services: LDMSTM - Lighting Design Manufacturing Service, from component to module design, from optical lens operation to finished product development, establishes vertical manufacturing integration and design solutions to create new markets and expand products worldwide.
Seoul SMD 2835 0.5W
Specifications：
·Power:0.5W
·Luminous Flux:50-60 lumens
·Forward Voltage:2.8V to 3.2V
·Color Temperature:2700K to 6500K
·CRI: 80
·Viewing Angle:120°
·Dimensions:2.8mm x 3.5mm
·Typical Lifespan:50,000h
Company profile：
One of the top producers of LED goods worldwide is Seoul Semiconductor. The South Korean firm was established in 1992 and is well-known for its cutting-edge technology in the automotive, lighting, and display sectors, among other industries. A wide variety of LED solutions are available from Seoul Semiconductor, including the high-performing WICOP, Acrich, and SunLike series. Products from the firm are extensively utilised in many different applications, including UV LEDs, car headlights, and general illumination. Maintaining its position as a major player in the LED sector is made possible by its concentration on research and development.
Part 3. Is SMD better than COB?
For everyone working in LED lighting, the discussion between SMD (Surface-Mounted Diode) and COB (Chip on Board) LED technologies is essential since each has varying advantages depending on the application. In comparison to conventional lighting, these technologies provide improved energy economy, brightness, and adaptability. They are examples of improvements in LED lighting. But because of their differences in functionality, performance, and design, each is appropriate for a different set of use cases. This article examines various variations and determines which is superior for certain purposes.
SMD LEDs: Using SMD technology, a printed circuit board (PCB)'s surface is directly mounted with the diode. The tiny size and capacity to hold many diodes on a single chip of SMD LEDs are its distinguishing features. It is possible for each diode to have its own circuit, enabling more intricate patterns such as RGB or RGBW arrangements. Because of its adaptability, SMDs may be used for a broad range of purposes, such as backlit displays, automobile lights, and general illumination.
COB LEDs: A COB, or Chip on Board, module is created by directly attaching many LED chips onto a substrate. A greater lumen output per square inch is usually the outcome of COB technology, resulting in a more even and strong light. COB LEDs are often used in industrial lighting, street lighting, and spotlights-applications that need uniform light dispersion and great brightness.
SMD LEDs are constructed from discrete diodes that are affixed to a circuit board. It is possible to arrange these diodes in a variety of ways and to mix several colours (such as red, green, and blue) onto a single chip.
SMD LEDs are adaptable for uses including displays, RGB lighting, and basic indoor/outdoor illumination because of their flexible construction.
Compared to COB LEDs, SMDs are smaller, which makes them perfect for small-space or elaborate lighting schemes.
COB LEDs function as a single unit by combining several tiny diodes directly onto the substrate. As a consequence, there are less gaps between the diodes in the small, high-intensity light source, which produces a more even light output.
Regardless of the number of diodes, COB LEDs need just one circuit and two connections, making their design simpler than that of SMDs. This simplicity may lead to reduced production complexity and increased dependability.
Compared to COB LEDs, SMD LEDs usually generate less light intensity per unit, but they are superior in terms of versatility. For RGB lighting applications, for instance, a single SMD chip may emit several colours.
When compared to COB LEDs, SMD LEDs may be more costly for applications requiring a greater light output. SMD LEDs, on the other hand, may be more affordable for smaller, lower-output lighting requirements because of their adaptability and simplicity of integration into intricate designs.
Selecting between SMD and COB is mostly determined by the particular needs of the lighting application. Compact installations and RGB lighting are two examples of applications that are better suited for SMD LEDs since they are flexible and design-focused. They come in a multitude of colours and may be tailored to fit different types of lighting schemes.
Conversely, COB LEDs perform very well in applications that need great brightness, consistent light output, and effective heat management. For large-scale, outdoor, and industrial lighting projects where durability and long-term performance are crucial, they are perfect.
