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2. Multifaceted reflector - Wikipedia

   en.wikipedia.org/wiki/Multifaceted_reflector

   These lamps use a bi-pin connector for power: 12-volt MR11 bulbs usually use a GU4 base, and 12-volt MR16 bulbs usually use a GU5.3 base. The common 12-volt MR16 lamps, therefore, require a ferromagnetic or electronic transformer—sometimes misnamed as a ballast—to convert the 120- or 230-volt mains voltage to the extra-low voltage required ...

3. Lightbulb socket - Wikipedia

   en.wikipedia.org/wiki/Lightbulb_socket

   G5.3 – 5.3 mm (0.20866 in) pin spacing GU5.3, GX5.3, GY5.3, GZ5.3 – same as G5.3 and only denote what lamp mount clip is needed to hold the actual light bulb in place; G6.35 – 6.35 mm (0.25 in)spacing GY6.35 & GZ6.35 – same as G6.35 and only denote what lamp mount clip is needed to hold the actual light bulb in place

4. Bi-pin lamp base - Wikipedia

   en.wikipedia.org/wiki/Bi-pin_lamp_base

   The suffix after the G indicates the pin spread; the G dates to the use of Glass for the original bulbs. GU usually also indicates that the lamp provides a mechanism for physical support by the luminaire: in some cases, each pin has a short section of larger diameter at the end (sometimes described as a "peg" rather than a "pin" [2]); the socket allows the bulb to lock into place by twisting ...

5. Philips GoGear - Wikipedia

   en.wikipedia.org/wiki/Philips_GoGear

   Philips GoGear Ariaz (4 GB portable media player) Close-up view of the Philips GoGear SA1110. Philips GoGear is a series of small flash memory and hard drive-based personal electronic devices from Philips. The line includes digital cameras, digital audio players, and audio recorders. The GoGear line is named for the size of its products, all of ...

6. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

7. Mazda (light bulb) - Wikipedia

   en.wikipedia.org/wiki/Mazda_(light_bulb)

   Mazda brand bulbs at the Edison and Ford Winter Estates Edison Mazda light bulb tester, logo by Maxfield Parrish, at the Corning Museum of Glass. Mazda was a trademarked name registered by General Electric (GE) in 1909 for incandescent light bulbs.

8. List of Mullard–Philips vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_Mullard–Philips...

   This is a list of European Mullard–Philips vacuum tubes and their ... EC90/6C4 – 3.6 W Small-power VHF triode ... which was useful in dual-system (6V and 12V) ...

9. Mullard–Philips tube designation - Wikipedia

   en.wikipedia.org/wiki/Mullard–Philips_tube...

   For example, it might not immediately be obvious whether a (hypothetical) AD108 is a 4 volt power triode or a germanium power transistor; an AZ41 (still on sale in the 1970s [12]) might be thought to be a germanium Zener diode (although, with only 2 digits for the serial number, it was not really a valid Pro Electron designation). By the time ...