OPTIVUS 7443 W21/5W Samsung 3030 10SMD CANBUS Amber Dual-Function Wedge LED Bulb

The OPTIVUS 7443-3030-10SMD Samsung CANBUS LED bulb is a high-output amber automotive replacement for standard 7443, W21/5W and T20 dual-function bulbs.

It features 10 high-brightness Samsung 3030 SMD LEDs that produce an intense amber output for excellent signal visibility during daytime, nighttime and adverse weather conditions. The LEDs reach full brightness immediately after power is applied, making the bulb particularly suitable for turn signals and other automotive signaling functions.

The 7443 dual-contact wedge design supports two separate electrical circuits. Depending on the vehicle lamp configuration, the bulb can operate in combined functions such as parking light and turn signal or other dual-intensity signaling applications.

An integrated CANBUS driver stabilizes LED operation during voltage fluctuations and helps reduce bulb-out warning messages in many compatible vehicles. Error-free operation depends on the monitoring system used by the specific vehicle. Some vehicles may still require an external load resistor or LED-compatible flasher relay to prevent rapid turn-signal flashing.

The wide 9-80V DC operating range makes the bulb suitable for passenger cars, SUVs, vans, trucks, buses, trailers and special-purpose equipment, provided that the socket and electrical configuration are compatible.

Its metal heat-dissipating housing supports efficient passive cooling, consistent brightness and a long LED service life. Installation is performed directly in a compatible factory 7443 socket using a Plug & Play connection.

Advantages

10 high-brightness Samsung 3030 SMD LEDs;

intense amber illumination;

7443 dual-contact wedge construction;

supports two electrical functions;

instant full-brightness response;

integrated stabilized driver;

CANBUS support;

wide 9-80V operating range;

efficient passive heat dissipation;

low power consumption;

vibration-resistant construction;

long service life;

Plug & Play installation;

OPTIVUS quality.

Specifications

Brand: OPTIVUS

Product type: automotive LED bulb

Model: 7443-3030-10SMD

Socket: 7443, T20

Replacement for: W21/5W

Base type: wedge

Contact configuration: dual contact, dual function

Operating voltage: 9-80V DC

LED type: Samsung 3030 SMD

LED quantity: 10

Light colour: amber

Driver: yes

CANBUS: yes

Cooling: passive

Installation: Plug & Play

Package contents: 1 LED bulb

Applications

turn signal lights;

combined parking and signal lights;

front and rear signal lamps;

side signal lighting;

auxiliary automotive lighting;

trailers and commercial vehicles;

trucks and special-purpose equipment.

Check the factory socket, contact layout, polarity and original bulb functions before ordering. The dual-contact 7443 bulb should not be confused with the single-contact 7440 type.