## SML-R13VWT87P: Electronic Technical Specifications The **SML-R13VWT87P** is a high-brightness surface-mount (SMD) Light Emitting Diode (LED) manufactured by **ROHM Semiconductor**. It belongs to the SML-R1 series, characterized by its ultra-compact size and high reliability. --- ### 1. General Overview This component is a **Red LED** designed for high-density mounting. It utilizes **AlGaInP** (Aluminum Gallium Indium Phosphide) technology to achieve high luminosity despite its small footprint. ### 2. Physical Characteristics | Feature | Specification | | :--- | :--- | | **Package Size** | 1608 (Metric) / 0603 (Inch) | | **Dimensions** | 1.6 x 0.8 mm | | **Height** | 0.8 mm | | **Lens Type** | Milky White (Diffused) | | **Mounting Type** | Surface Mount (SMD) | --- ### 3. Absolute Maximum Ratings ($T_a = 25^\circ C$) These values represent the limits that the component can handle without permanent damage. | Parameter | Symbol | Maximum Rating | Unit | | :--- | :--- | :--- | :--- | | Power Dissipation | $P_D$ | 60 | mW | | Forward Current | $I_F$ | 20 | mA | | Peak Forward Current | $I_{FP}$ | 100* | mA | | Reverse Voltage | $V_R$ | 5 | V | | Operating Temp. | $T_{opr}$ | -40 to +85 | $^\circ C$ | *\*Note: Duty cycle 1/10, Pulse width 1ms.* --- ### 4. Electro-Optical Characteristics Typical performance metrics under standard operating conditions ($I_F = 20mA$). | Parameter | Symbol | Min | Typ | Max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | | **Forward Voltage** | $V_F$ | - | 1.9 | 2.4 | V | | **Luminous Intensity** | $I_V$ | 25 | 63 | - | mcd | | **Dominant Wavelength** | $\lambda_D$ | - | 630 | - | nm | | **Reverse Current** | $I_R$ | - | - | 10 | $\mu A$ | --- ### 5. Part Number Breakdown Understanding the specific suffix `T87P`: * **SML**: Series Name (ROHM Chip LED). * **R1**: Size/Package Code (0603). * **3**: Shape/Lens Code. * **VW**: Color Code (Red). * **T87**: Taping code (specifies the reel direction and quantity). * **P**: Rank (represents specific brightness/wavelength binning). ### 6. Common Applications * **Consumer Electronics:** Status indicators for smartphones or laptops. * **Automotive:** Dashboard illumination and switch lighting. * **Industrial:** Control panel indicators. ---