Żarówka halogenowa Philips Vision +30% H11 12V 55W

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There are many varieties of lamps. Bulbs with an “H” at the beginning are represented as halogen bulbs:

1. R2, H1, H3, H4, H7 are flange lamps. They can only be mounted in one position, turning around the optical axis is not possible. This is because of the need for clear beam focusing. R2 is an obsolete type for two-phase lighting systems. H1 and H7 are used in four-phase systems. H1 is used for high beam and dipped beam, and in conjunction with H7 represents the high beam or fog lamps. H7 in its turn is used more frequently for passing beam as it is more modern because of less heat and higher luminous intensity. H3 bulbs are mainly used in fog lights, and H4 bulbs contain spirals for both low and high beam. They are gaining popularity because of their simplicity and low price. But in addition to their advantages, they have a significant disadvantage – low luminous flux (not exceeding 1000 lumens).

2. H8, H9, H11, HB3, HB4, – lamps with plastic sealed socket. H8, H9 and H11 are developed on the basis of H7. They are used for modern high-powered solutions, and for compact headlights among others. H8 is mainly used for fog or dipped beam, H9 exclusively for high beam, and H11 for all headlamps (dipped beam, high beam, and fog lights). This is possible thanks to their high life and proportional characteristics. HB3 lamps are used for high beam and HB4 for low beam.

3. bulbs with the index “D” are exclusively xenon bulbs. Since they are designed to replace the regular Xenon bulbs, they are called “factory Xenon”. In which type of optics – lenticular or reflector – such lamps can be used, indicate the suffixes R and S. The black stripe for proper formation of the light beam is a characteristic feature of R-lamps. They also have grooves on the housing to distinguish them. Lamps with the suffix C have certain base grooves and are used in these two types of optics.

4. D1R/D1S lamps have an aluminum box with a high-voltage part placed in it, which reduces the possible interference with car equipment and not only provides safety but also increases it. Plus they have a high lifespan and quick ignition. They are larger and much more expensive than their counterparts.

5.D2R/D2S bulbs were created by Philips. They have become quite popular nowadays. 4300K of these lamps is the maximum declared brightness for the color temperature.

6.D3R/D3S lamps, due to the absence of mercury in the phosphor, have environmentally friendly bulbs. They are also equipped with a high-voltage unit in an aluminum box, just like the D1R/D1S. The color temperature of these bulbs is usually equal to 4300K.

7. D4R/D4S lamps can be found mainly in Toyota and Lexus cars. They are used to replace D2R/D2S. They are recognized as environmentally friendly due to the absence of mercury in their bulbs. For D1-D2 lamps the electric voltage is 85V and for D3-D4 lamps it is 45V.

Types of auxiliary light bulbs:

1. The prefix T indicates a base that is flush with the bulb (e.g., T4W).

2.The prefix R indicates a metal base (approx. 15mm) and bulb (approx. 19mm) (e.g. R5W).

3. The prefix P indicates the presence of the same base (about 15mm), but a larger bulb (up to 26.5mm). These types of bulbs are used for reversing or stop lights (e.g. P21W). If the name has an additional index Y, it indicates the orange color that allows their use in colorless lamps.

4.SV (or C) prefix – two-ring (soffit) lights used as license plate or interior illumination (e.g. C5W).

5. The W index indicates the presence of a monolithic bulb base. That is why they are also called socketless. They are often used as instrument panel or parking lights.

In the names of the lamps are often specified in addition to the type of lamp and the type of base. Every type of bulb has its own socket, which do not practically overlap (for H4 it is P43t and for H3 – PK22s). To avoid confusion in such a variety of sockets, it is better to use the guidebook.

If you want to change halogen lamps for LEDs, you need to know the type of lamp and know a little bit about the socket. There are many types of LED lamps and when choosing them you need to remember some points:

The prefix “BA” specified in the name of the base indicates the pin (bayonet) type, and the number indicates the diameter of the base;

“BAY” – indicates the offset in height of one of the pins (double-stranded brake light bulbs);

“BAU” – indicates radial misalignment of the base pin;

The letter after the diameter indicates the number of filaments (s (single) – one filament, d (dual) – two filaments). The soffit lamp bases are SV7 or SV8.5 (the number indicates the diameter).

One of the characteristics of lamps is the color temperature, which describes the color of the emitted light and is measured in Kelvin.

Halogen bulbs emit yellowish light because their temperature range is 3000-4300K. Such light is better to use in bad weather conditions (fog, rain, snow). That is why fog lamps have yellow filter or yellow diffusers. Xenon and LED lamps have a wider range (usually starting at 4300K and ending at 8000K).

The most popular models have a range of 5000-6000K. But there are lamps with a wider range (mainly for the purposes of tuning).

Optimal is the white color of the luminous flux. He minimizes eye fatigue and well highlight objects on the road (especially road signs). But the effectiveness of lamps with blue light in bad weather conditions is significantly reduced.

   W jednym modelu auta, mogą występować różne warianty części. W przypadku niepewności o właściwy dobór części, zalecana jest weryfikacja wg numeru VIN.