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  2. SMD LED - Wikipedia

    en.wikipedia.org/wiki/SMD_LED

    The light from white LED lamps and LED strip lights is usually provided by industry standard surface-mounted device LEDs (SMD LEDs). [2] Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB). Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may ...

  3. Chip on board - Wikipedia

    en.wikipedia.org/wiki/Chip_on_board

    [6] LED COBs include a layer of silicone containing yellow Ce:YAG phosphor that encapsulates the LEDs and turns the blue light of the LEDs into white light. The COB is usually built on an aluminum PCB that provides good thermal conductivity to a heatsink. COB LEDs could be compared with multi chip modules or hybrid integrated circuits since all ...

  4. 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 ...

  5. Indian Railways - Wikipedia

    en.wikipedia.org/wiki/Indian_Railways

    The coaches are not air-conditioned and have open-able windows. There are common charging sockets, ceiling mounted fans and lights in each compartment. Food is available on order or can be purchased from vendors. [128] Second sitting D/J

  6. Northrop YF-17 - Wikipedia

    en.wikipedia.org/wiki/Northrop_YF-17

    The wing position was raised slightly to increase ground clearance for ordnance. The N-300 further evolved into the P-530 Cobra, which uses 13,000 lbf (58 kN) GE15-J1A5 engines, with a very small 0.25:1 bypass ratio leading to the nickname "leaky turbojet". [2]

  7. Piper PA-18 Super Cub - Wikipedia

    en.wikipedia.org/wiki/Piper_PA-18_Super_Cub

    The Piper PA-18 Super Cub is a two-seat, single-engine monoplane.Introduced in 1949 by Piper Aircraft, it was developed from the PA-11 Cub Special, and traces its lineage back through the J-3 Cub to the Taylor E-2 Cub of the 1930s.

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