Most commercial LED flashlightsuse three AAA or AA batteriesin series that produce 4.5V. The batteriesthen drive four white LEDs that connectin parallel. These LEDs can workat voltages as low as 2.7V ...
Designed as a wide-viewing-angle, top-view, surface-mount LED, the 1104B can be employed in a variety of status indicator or display backlighting applications. The device features a 120° viewing angle ...
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