The D5S automotive bulb is a PK32d-[7] base bulb with a nominal power of 12 volts and 25 watts. The bulb is designed to work with a ballast output voltage. The ballast is an electrical device that regulates the current to the bulb and ensures that it operates at the correct voltage and wattage.
D5S Light Bulb
BULB CROSS REFERENCE
The D5S light bulb family is interchangeable with the following bulbs
The D5S bulb is commonly used in high-intensity discharge (HID) headlights in vehicles such as BMW, Audi, and Mercedes-Benz. It provides a bright and intense light that improves visibility on the road, especially in low-light conditions.
The remarks for the D5S bulb indicate that it is a specialized bulb that requires a ballast to operate. Therefore, it is important to ensure that the ballast is functioning correctly to prevent damage to the bulb.
If you need to replace the D5S bulb, it is important to use a bulb with the same specifications to ensure compatibility. Some bulbs that are interchangeable with the D5S bulb include the D1S, D2S, and D3S bulbs, which are also used in HID headlights. However, it is important to check the manufacturer's specifications to ensure that the bulb is compatible with your vehicle.
Overall, the D5S bulb is a high-performance automotive bulb that provides excellent visibility on the road. Its specialized design requires a ballast to operate, and it is important to ensure that the ballast is functioning correctly to prevent damage to the bulb.