The **SML-R13BTT86P** is a high-performance, surface-mount (SMD) Light Emitting Diode (LED) manufactured by **ROHM Semiconductor**. It belongs to the SML-R13 series, known for its compact size and high reliability in consumer electronics and automotive applications. --- ### 1. Technical Specifications The following table outlines the primary electrical and optical characteristics of the SML-R13BTT86P: | Parameter | Specification | | :--- | :--- | | **Emitting Color** | Red | | **Wavelength ($\lambda_D$)** | 624 nm (Typical) | | **Luminous Intensity ($I_V$)** | 25 mcd to 63 mcd | | **Forward Voltage ($V_F$)** | 2.0 V (Typical) | | **Forward Current ($I_F$)** | 20 mA (Maximum) | | **Operating Temperature** | -40°C to +85°C | | **Package Size** | 1608 Metric (0603 Imperial) | | **Dimensions** | 1.6 x 0.8 x 0.36 mm | --- ### 2. Key Features * **Ultra-Thin Profile:** With a height of only 0.36mm, it is ideal for thin devices like smartphones, wearables, and thin-film membrane switches. * **AIGaInP Technology:** Utilizes Aluminum Indium Gallium Phosphide (AlGaInP) material, which provides high brightness and long-term stability. * **Taped Packaging:** The "T86P" suffix indicates the packaging style, specifically designed for automated "pick-and-place" assembly lines. * **Bottom-Surface Electrode:** Designed for efficient soldering and thermal management on compact PCBs. --- ### 3. Application Examples The SML-R13BTT86P is versatile and commonly found in: 1. **Status Indicators:** Power buttons, battery level indicators, and network activity lights. 2. **Backlighting:** Illuminating LCD screens, keypads, and control panels. 3. **Automotive Interiors:** Dashboard illumination and climate control buttons. 4. **Wearable Tech:** Health monitors and smartwatches where space is limited. --- ### 4. Footprint and Soldering When designing a PCB for this component, ensure the land pattern matches the **0603 (1608 metric)** standard. ```markdown Recommended Land Pattern (Dimensions in mm): - Pad Width: 0.8 mm - Pad Length: 0.6 mm - Gap between Pads: 0.7 mm ```