{"product_id":"ltst-c281tbkt-blue-low-current-surface-mount-led-2-9v-5ma-0805","title":"LTST-C281TBKT Blue Low-Current Surface Mount LED (2.9V, 5mA, 0805)","description":"\u003cp\u003eAdd crisp blue status indication to your low-power electronics with the \u003cb\u003eLTST-C281TBKT\u003c\/b\u003e surface-mount LED from Lite-On. Operating at a low forward current of just 5mA and a typical forward voltage of 2.9V, this component is specially engineered for energy-conscious designs. Standard LEDs often demand 15–20mA, making them unsuitable for prolonged battery operation. The LTST-C281TBKT delivers vivid blue light output while consuming a fraction of the power, extending operational life in portable and wireless devices.\u003c\/p\u003e\n\u003cp\u003eDirectly drivable from 3.3V microcontroller logic outputs (ESP32, STM32, RP2040) with a low-value series resistor, it eliminates the need for external transistor drivers. Housed in an industry-standard 0805 (2012 metric) package with a clear lens, it provides a reliable, high-visibility blue indicator for power rails, Bluetooth connectivity status, and network activity.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLow Current Operation (5mA):\u003c\/b\u003e Optimized for low power consumption, preserving battery life in IoT and wearable applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e3.3V Logic Friendly:\u003c\/b\u003e Low 2.9V forward voltage enables direct driving from 3.3V microcontroller GPIO lines without complex driver stages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVivid Blue Illumination:\u003c\/b\u003e Delivers clear, high-contrast blue light output for modern status feedback.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStandard 0805 Footprint:\u003c\/b\u003e Compact 2.0 x 1.25 mm surface-mount package is easy to solder by hand or via automated SMT reflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e LTST-C281TBKT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e Lite-On\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComponent Type:\u003c\/b\u003e Single Color SMD LED\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEmitted Color:\u003c\/b\u003e Blue (InGaN)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eForward Voltage (\u003cspan class=\"math-inline\"\u003e$V_F$\u003c\/span\u003e):\u003c\/b\u003e 2.9V (Typical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eForward Current (\u003cspan class=\"math-inline\"\u003e$I_F$\u003c\/span\u003e):\u003c\/b\u003e 5mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePackage Type:\u003c\/b\u003e 0805 SMD \/ SMT (2012 Metric)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RC-LIFE","offers":[{"title":"Default Title","offer_id":54300135719250,"sku":null,"price":1.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1065\/8067\/2850\/files\/160_0402-_1005-Metric_.002_web_640x640_558da059-bcb4-4825-853e-f2b2a049dc1e.webp?v=1787041598","url":"https:\/\/rc-life.com\/products\/ltst-c281tbkt-blue-low-current-surface-mount-led-2-9v-5ma-0805","provider":"rc-life","version":"1.0","type":"link"}