The **CLM1T-RKW** is a high-performance Surface Mount Device (SMD) Light Emitting Diode (LED) manufactured by **Cree LED**. It belongs to the PLCC2 (Plastic Leaded Chip Carrier) family, specifically designed for high reliability and consistent luminous output. --- ### 1. Technical Specifications The following table summarizes the core electronic and optical characteristics of the CLM1T-RKW: | Parameter | Value/Specification | | :--- | :--- | | **Color** | Red | | **Dominant Wavelength** | 618nm – 630nm | | **Luminous Intensity** | 280 mcd – 710 mcd | | **Forward Current ($I_F$)** | 20 mA (Typical) | | **Forward Voltage ($V_F$)** | 2.0V (Typical) / 2.6V (Max) | | **Viewing Angle** | 120 degrees | | **Package Type** | PLCC2 (3.2 x 2.8 mm) | | **Operating Temperature** | -40°C to +100°C | --- ### 2. Key Features * **High Reliability:** The package is designed to work in a wide range of environmental conditions, making it suitable for automotive and industrial settings. * **Uniform Light Output:** Provides a wide viewing angle ($120^{\circ}$), which ensures consistent color and brightness when viewed from different positions. * **Moisture Sensitivity:** Typically rated at **MSL 2a or 3**, requiring controlled handling to prevent damage during reflow soldering. * **Lead-Free:** Compliant with RoHS standards. --- ### 3. Pin Configuration & Dimensions The CLM1T-RKW utilizes a standard PLCC2 footprint. ```text Top View _______________ | | | | (A) | (K) | A = Anode (+) |_______|_______| K = Cathode (-) | | |_______| (Tab) ``` --- ### 4. Common Applications Due to its robust nature and specific red wavelength, this LED is frequently used in: 1. **Automotive:** Dashboard illumination, status indicators, and interior lighting. 2. **Industrial:** Control panels, channel letters, and status displays. 3. **Consumer Electronics:** Backlighting for LCDs and push-buttons.