The **SML-R13DWT87P** 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 ultra-compact size and high reliability. --- ### ## 1. Key Specifications The following table outlines the primary electrical and optical characteristics of the SML-R13DWT87P: | Parameter | Specification | | :--- | :--- | | **Color** | Orange | | **Luminous Intensity** | 45 mcd (typical) | | **Forward Voltage ($V_F$)** | 2.2 V (typical) | | **Forward Current ($I_F$)** | 20 mA | | **Peak Wavelength** | 605 nm | | **Package Size** | 0603 (1608 Metric) | | **Dimensions** | 1.6 x 0.8 x 0.36 mm | | **Operating Temperature** | -40°C to +85°C | --- ### ## 2. Technical Features * **Ultra-Thin Profile:** With a thickness of only 0.36mm, it is ideal for thin consumer electronics like smartphones and wearables. * **Material Composition:** It typically utilizes **AlGaInP** (Aluminum Gallium Indium Phosphide) technology, which provides high brightness and efficiency for red, orange, and yellow spectrums. * **Reflow Soldering:** Designed to withstand standard lead-free reflow soldering profiles. * **Polarity Marking:** The package includes a clear polarity mark on the bottom side to ensure correct orientation during automated assembly. --- ### ## 3. Common Applications This specific LED is widely used in various industries due to its small footprint: 1. **Consumer Electronics:** Indicator lights for tablets, smartwatches, and laptops. 2. **Automotive:** Dashboard backlighting and internal console indicators. 3. **Industrial:** Status indicators on compact PCB boards and sensor feedback lights. 4. **Medical Devices:** Portable diagnostic tools requiring low power consumption. --- ### ## 4. Schematic Footprint Reference When designing a PCB for this part, use the following standard 0603 SMD land pattern: ```c // Example Pad Dimensions (in mm) [Pad 1 (Anode)] --- 0.8mm --- [Pad 2 (Cathode)] | Width: 0.6mm | Width: 0.6mm | Height: 0.8mm | Height: 0.8mm ``` ---