7443 LED Brake Lights 3W 150LM Red Blinker Bulb
Design and Construction
The housing is made from aluminum with grooved surfaces to assist passive cooling. There are no cooling fans or external driver boxes, which simplifies installation and reduces potential failure points. The overall width is 17.5mm, matching standard 7443 socket dimensions. The lens at the front is slightly convex, directing light primarily backward rather than scattering it widely.
Specifications
| Product Name | LED brake lights – 7443 21SMD 2835 |
| Housing Material | Machined aluminum |
| LED Chip | 2835 SMD (21 pcs) |
| Color Output | Deep red (1006K spectrum) |
| Power Draw | 3W (bright) / 0.8W (dim) |
| Luminous Flux | 150LM (bright) / 40LM (dim) |

Functional Performance
Switching between the two intensity levels happens when the brake pedal is pressed. The higher-output mode is intended to provide a visible signal to following drivers, while the lower mode maintains a basic presence during normal driving. The red spectrum used here is within the typical range for rear lighting applications. Response time is shorter than conventional filament bulbs, which is inherent to LED technology.
Heat Management and Durability
Because the bright mode draws only 3W, the unit generates less heat than many halogen equivalents. The aluminum body draws heat away from the chips, helping to keep the socket and surrounding housing at moderate temperatures during extended use. This can be useful in stop-and-go traffic where brake lights are activated frequently. The solid-state construction also provides basic resistance to vibration from normal road conditions.
Manufacturing and Wholesale Information
The product is assembled in a facility with ISO9001 and IATF16949 certifications, and dimensional tolerances are maintained to ensure secure socket fitment. For commercial buyers, these LED brake lights are available with custom packaging and logo printing services. Direct factory sourcing removes intermediary costs, and minimum order quantities for custom orders are kept practical for smaller retailers. Inventory is maintained for regular dispatch to support online and brick-and-mortar sales channels.
Compatibility Notes
Most vehicles with 7443 sockets will accept this LED brake lights unit without adapters. However, some newer cars with bulb-out detection systems may require additional load resistors to prevent dashboard warnings, as the lower power draw can be interpreted as a burned-out bulb. This is a common consideration for LED conversions and is not unique to this model.
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