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  2. List of automotive light bulb types - Wikipedia

    en.wikipedia.org/wiki/List_of_automotive_light...

    Available with P45t base to upgrade old headlamps designed for R2 bulb H7 1 12 V: 55 W 24 V: 70 W PX26d USA, Japan 12V: ECE nominal luminous flux: 1,500 lm ±10% H8 1 12 V: 35 W PGJ19-1 USA ECE nominal luminous flux: 800 lm ±15% H8B 1 12 V: 35 W PGJY19-1 USA H9 1 12 V: 65 W PGJ19-5 USA H9B 1 12 V: 65 W PGJY19-5 USA H10 1 12 V: 42 W PY20d USA

  3. 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 ...

  4. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    Simple LED (Light Emitting Diode) circuit diagram. In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.

  5. 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 ...

  6. LED filament - Wikipedia

    en.wikipedia.org/wiki/LED_filament

    A 230-volt LED filament light bulb, with a B22 base. The filaments are visible as the four yellow vertical lines. A LED filament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light distribution purposes, but with the high efficiency of light-emitting diodes (LEDs).

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