12V 70W 7078 SMD LED For Automotive Lights

12V 70W 7078 SMD LED for Automotive Lights Specs:

Product name	12V 70W 7078 SMD LED for Automotive Lights
Part number	GD-7078W600-4C4D-S1E5P
Chips brand	China Sanan 55mil flip chip, 16 chips on board with 4S4P
Input	12-14vdc with max 6000mA forward current
Flux	6000-7000lm at 6000mA
Lighting Efficiency	120-140 LPW at 6000mA
Color	Regular stock with 6000-7000K white, Ra>70
Power	Max around 70 watt at 6000mA forward current loaded
Package material	ALN ceramic substrated for lower thermal resistance
Lighting angle	120 degree with flat package, without dome silicone lens on top
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 the automotive lights, vehicle lights and car working lights needs to be designed with 12vdc input?

Automotive lights, vehicle lights, and car working lights are typically designed with a 12V DC input because of the following reasons:

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1. Standard Voltage for Automotive Electrical Systems

Most vehicles use a 12V electrical system as a standard for powering various components, including lights, electronics, and accessories.

This voltage is provided by the car's 12V lead-acid battery or the alternator when the engine is running.

Designing lights to operate at 12V ensures compatibility with the vehicle's electrical system.

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2. Safety

Low voltage (12V) is safer to handle compared to higher voltages.

It reduces the risk of electric shock or damage to other components in the vehicle's electrical circuit.

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3. Energy Efficiency and Component Availability

12V LEDs and other lighting components are widely available and optimized for this voltage, making them more cost-effective.

Automotive-grade LEDs and circuits are specifically designed to operate efficiently at 12V.

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4. Ease of Design and Integration

Designing lights with a 12V input makes integration into the vehicle's existing electrical system more straightforward.

It eliminates the need for complex voltage conversion circuits or additional hardware.

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5. Compatibility Across Vehicles

A 12V input ensures compatibility with a wide range of vehicles, including cars, motorcycles, and smaller trucks.

Even though heavy-duty trucks and commercial vehicles use a 24V system, they often include a step-down converter to 12V for certain components, like lights.

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6. Regulatory and Industry Standards

Many automotive lighting products are required to adhere to industry standards and regulations, which typically assume a 12V operating environment for passenger vehicles.

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7. Historical Reasons

The automotive industry adopted 12V systems as a standard in the 1950s (upgrading from the earlier 6V systems) to support more powerful electrical components. This legacy has continued, making 12V the norm.

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Additional Notes:

24V Systems: While larger commercial vehicles (e.g., trucks, buses) use 24V systems, the design principles remain similar, and many automotive lights are available in both 12V and 24V variants.

LED Lights: Modern automotive lighting often uses LED technology, which typically requires lower voltages (e.g., 3-5V). In such cases, internal circuits (drivers) step down the 12V input to the required level.

In conclusion, 12V DC is the standard for automotive lights because it matches the vehicle's electrical system, is safe, cost-effective, and ensures compatibility across the majority of passenger vehicles.

 

12V 70W 7078 SMD LED for Automotive Lights Picture:

LED only wihout pcb boards	7078 smd leds mounted onto copper pcb boards

12V 70W 7078 SMD LED for Automotive Lights dimensions:

LED only wihout pcb boards	7078 smd leds mounted onto copper pcb boards

Chip diagram inside the package:

12V 70W 7078 SMD LED for Automotive Lights specs:

Parameter	Symbol	Conditions	Min	Avg.	Max	Units
Forward Voltage	VF	IF=5000mA	12.00	--	14.00	V
Thermal Resistance Junction To Board	RΘJ-B	IF=5000mA	--	1	--	°C/W
Luminous Flux	Φv	IF=5000mA	6000	--	7000	lm
Color Temperature	CCT	IF=5000mA	6000	--	7000	K
CRI	Ra	IF=5000mA	70	--	--	--
Reverse Current	IR	VR=20V	−−	−−	10	μ A
Viewing Angle	2Θ1/2	IF=5000mA	−−	120	−−	Deg

 

 

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