## Detailed Technical Analysis: CLM1B-RKW-CUBVBAA3 The **CLM1B-RKW-CUBVBAA3** is a high-brightness Surface Mount Device (SMD) Light Emitting Diode (LED) manufactured by **Cree LED** (formerly Wolfspeed/Cree). It belongs to the **CLM1 series**, which is specifically designed for signage and illumination applications. --- ### 1. General Specifications This part is a Red LED designed in a PLCC2 industry-standard package. It is optimized for durability and consistent light output. | Parameter | Specification | | :--- | :--- | | **Color** | Red | | **Package Type** | PLCC2 (SMD) | | **Material** | AlGaInP (Aluminum Gallium Indium Phosphide) | | **Lens Appearance** | Water Clear | | **Viewing Angle** | 120 Degrees | --- ### 2. Electro-Optical Characteristics At a standard testing current ($I_F$) of **20mA**, the device exhibits the following electrical and optical properties: | Feature | Value (Typical) | | :--- | :--- | | **Luminous Intensity** | 560 - 1400 mcd | | **Dominant Wavelength** | 619 nm - 624 nm | | **Forward Voltage ($V_F$)** | 2.1V (Typ) / 2.6V (Max) | | **Reverse Current ($I_R$)** | 100 $\mu$A (at $V_R = 5V$) | --- ### 3. Absolute Maximum Ratings Operating the device beyond these limits may cause permanent damage or reduce the lifespan of the LED. * **Forward Current ($I_F$):** 50 mA * **Peak Forward Current:** 200 mA (Duty 1/10 @ 1kHz) * **Power Dissipation:** 130 mW * **Operating Temperature:** -40°C to +100°C * **Junction Temperature ($T_J$):** 110°C --- ### 4. Part Number Breakdown The nomenclature provides specific details about the binning and performance: | Code Segment | Meaning | | :--- | :--- | | **CLM1B** | Series identifier (PLCC2 LED) | | **RKW** | Color code (Red) | | **CU/BV** | Luminous Intensity bin range | | **BA** | Color bin (Wavelength range) | | **A3** | Packaging/Hub specification (Tape and Reel) | --- ### 5. Key Applications Due to its wide viewing angle and surface-mount design, it is commonly used in: 1. **Status Indicators:** Dashboard electronics and industrial controls. 2. **Signage:** Channel letters and indoor/outdoor advertising displays. 3. **Backlighting:** Switch panels and LCD backlighting. 4. **Automotive:** Interior lighting and signal lights. ---