30 60 90 120 Degree Lighting Angle 3535 Smd Led

30 60 90 120 degree lighting angle 3535 smd led Specs:

Product name	30 60 90 120 degree lighting angle 3535 smd led
Part number	GT-3535WXXX-1CD0-S1D0M-R80
Chips brand	China Sanan chips
Input	3W with 3vdc max 1000mA; 5W with 3vdc max 1500mA;
Flux	3W with 280-320lm with 700mA; 5W with 550-650lm with 1500mA;
Lighting Efficiency	1W 350mA with around 190-200lm/W
Color	2700K, 3000K, 4000K, 5000K, 5700K and 6500K available. CRI can be Ra>70, Ra>80 optional
Power	S1D0M with max 1000mA; S1E5M with max 1500mA;
Package material	Cerammic substrated package
Lighting angle	120 degree
Brand and manufacturer	GMLEDs, GMKJ
Warranty	4 years
OEM service	1. SKD parts available; 2. Aluminum pcb boards LED assembly service is also available here.

Why primary lens leds are better than secondary lens leds?

In LED lighting systems, the terms "primary lens" and "secondary lens" refer to different components that affect how light is emitted and distributed. Here's a comparison between primary lens LEDs and secondary lens LEDs, explaining why primary lens LEDs are often considered better in certain applications:

1. Design Simplicity and Efficiency

Primary Lens: The primary lens is integrated directly onto the LED package itself. It is designed to shape the light immediately as it is emitted from the LED chip, ensuring efficient light distribution without the need for additional optics. Because it's part of the LED design, it is highly efficient in controlling the light output.

Secondary Lens: A secondary lens is an additional optic placed over the LED to further modify or spread the light. While this can add versatility, it also introduces another layer, which can reduce the overall efficiency of the system due to light losses through additional surfaces.

2. Optical Efficiency

Primary Lens: Since the primary lens is directly in contact with the LED source, it is able to manage light distribution with minimal losses. This leads to higher optical efficiency, meaning more of the light generated by the LED reaches the target area.

Secondary Lens: Adding a secondary lens often results in some degree of light loss due to absorption, reflection, or refraction, making the overall system less efficient.

3. Thermal Management

Primary Lens: By simplifying the design (no additional optics required), primary lens LEDs typically have better thermal management, as there is less material to absorb and retain heat. This helps maintain the longevity and performance of the LED.

Secondary Lens: Secondary lenses can complicate thermal management, as they can trap heat, leading to higher operating temperatures for the LED, which may shorten its lifespan or reduce performance.

4. Cost and Space Efficiency

Primary Lens: LEDs with a primary lens are generally more cost-effective and space-saving because they eliminate the need for extra components. They are compact, making them ideal for applications where space is limited or where a streamlined design is preferred.

Secondary Lens: Secondary lens systems require more space and materials, increasing both the physical footprint and the cost of the lighting system.

5. Simplified Installation and Maintenance

Primary Lens: With only a primary lens, installation is simpler, and maintenance is easier because there are fewer components that could potentially fail or degrade over time.

Secondary Lens: The addition of a secondary lens adds complexity to both installation and maintenance. Over time, secondary lenses may become dirty, degrade, or shift, requiring additional upkeep.

6. Precision in Light Control

Primary Lens: Primary lenses are often designed with high precision for specific beam patterns, making them ideal for applications where controlled and focused light output is needed.

Secondary Lens: While secondary lenses can offer additional flexibility in beam shaping, they can introduce slight distortions or inefficiencies, and the additional layer of optics may not offer as precise control as a well-designed primary lens system.

Conclusion:

Primary lens LEDs are generally preferred over secondary lens LEDs because they offer higher optical efficiency, better thermal management, cost-effectiveness, and simplified design without compromising light control. Secondary lens LEDs can provide additional flexibility in beam shaping but often at the cost of efficiency and complexity.

30 60 90 120 degree lighting angle 3535 smd led Picture:

 

30 60 90 120 degree lighting angle 3535 smd led dimensions:

120 degree lighting angle primary lens	90 degree lighting angle primary lens
60 degree lighting angle primary lens	30 degree lighting angle primary lens

30 60 90 120 degree lighting angle 3535 smd led Eletrical specs:

Parameter	Symbol	Conditions	Min	Avg.	Max	Units
Forward Voltage	VF	IF=700mA	2.80	--	3.20	V
Luminous Flux	Φv	IF=700mA	280	--	320	lm
Luminous Flux	Φv	IF=1000mA	380	--	420	lm
Part NO. GT-3535W260-1CD0-S1D0M-R80	CCT	IF=700mA	--	2700	--	K
Part NO. GT-3535W290-1CD0-S1D0M-R80	CCT	IF=700mA	--	3000	--	K
Part NO. GT-3535W380-1CD0-S1D0M-R80	CCT	IF=700mA	--	4000	--	K
Part NO. GT-3535W480-1CD0-S1D0M-R80	CCT	IF=700mA	--	5000	--	K
Part NO. GT-3535W630-1CD0-S1D0M-R80	CCT	IF=700mA	--	6500	--	K
Color tolerance		IF=700mA	--	--	5	SDCM
CRI	Ra	IF=700mA	80	--	--	--
Reverse Current	IR	VR=5V	−−	−−	10	μ A
Viewing Angle	2Θ1/2	IF=700mA	−−	120	−−	Deg
Thermal Resistance Junction To Board	RΘJ-B	IF=700mA	--	6.5	--	°C/W

 

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