各种灯头资料

1、CommonLight bulb bases1Edison screw- E27, E14The designation Exx of Edison Screw refers to the diameter in millimeters, e.g. E12 has a diameter of 12 mm. In the US the standard size is E26, although E12 is used for candelabra fixtures and E10 on some Christmas lights. E17 is also common, especially

2、in some table lamps. In most countries which use 230-240 volts AC domestic power, E27 and E14 are common sizes. Larger sizes (E39, E40) are used for higher powered lighting, generally for lamps of over 250 watts.2Edison screw- E27, E14Edison Screw bases fittings table Source: Wikipedia (2008)3Source

3、: Edison screw- E27, E144Bayonet caps B15, B22Bayonet bases or caps are often abbreviated to BC, often with a number after. The number refers to the diameter of the base, e.g. BC22 is a 22 mm diameter bayonet cap lamp (B22d). BC15, a 15 mm base, can also be referred to as SBC standing for Small Bayo

4、net Cap (B15d).A set of bayonet mountSource: Wikipedia (2008)5Bayonet bases fittings table Source: Wikipedia (2008)Bayonet caps B15, B226GU5.3, GU10Most common halogen spotlight are either push fit (GU4 or GU5.3), low voltage type or twist and lock (GU10 or GZ10) mains versions. There are subtle dif

5、ference between GU10 and GZ10. The GU10 has a bevel around the base but the GZ10 has a square corner. This stops the GZ10 being used in a fitting designed for a GU10 but allows the GU10 to be used in either.GU5.3GU107Source: GU5.3, GU108GU24GU24 base sockets were designed to work with the new LVS (L

6、ine Voltage Socket) developed under the auspices of ENERGY STAR. That socket is only used for energy-efficient CFL bulbs9MR11, MR16MR11 is a coded designation in which MR stands for Multifaceted Reflector and 11 is the number of eights of an inch the front is in diameter 11/8 or 34.9 mm. MR16 lamps

7、are in diameter 16/8” or 50.8 mm. They usually have a 2 pin base, GU 5.3 (the fitting pins are 5.3mm apart), and runs on 12V, however the spotlight shape of MR16 can also use GU10 (10mm between pins) and 110/220V.The spotlights with the above design sometimes can also use E14 fittings, but due to the driver size extra housing is required.10Source: MR11, MR1611ReferenceA