## HLMP-ED33-RUT00: Technical Specifications and Overview The **HLMP-ED33-RUT00** is a high-precision electronic component manufactured by Broadcom (formerly Avago Technologies). It is a high-brightness, AlInGaP (Aluminum Indium Gallium Phosphide) LED designed specifically for outdoor applications where visibility and reliability are paramount. --- ### 1. Key Technical Specifications | Parameter | Specification | |:---|:---| | **Technology** | AlInGaP II | | **Color** | Red (Amber-Red) | | **Dominant Wavelength** | 630 nm (Typical) | | **Luminous Intensity** | 2500 mcd to 5500 mcd | | **Viewing Angle** | 30 Degrees | | **Lens Shape** | Circular / T-1 3/4 (5mm) | | **Forward Current (If)** | 20 mA to 50 mA (Max) | | **Forward Voltage (Vf)** | 2.1V to 2.4V (Typical) | | **Operating Temperature** | -40°C to +100°C | --- ### 2. Physical Construction The device is housed in a standard **T-1 ¾ (5mm)** package. It features: * **Tinted/Non-diffused Lens:** This ensures high light output and directional focus. * **Stand-offs:** The "RUT" suffix often indicates specific lead configurations or packaging (like Ammo Pack) and the presence of lead stand-offs to facilitate easy PCB mounting and cleaning. --- ### 3. Core Features * **High Luminous Efficiency:** Due to the AlInGaP material, it produces high light output per unit of power. * **Sunlight Viewability:** Designed with high intensity and a controlled radiation pattern to remain visible in direct sunlight. * **Thermal Stability:** Excellent performance even in high-temperature environments, making it suitable for automotive and industrial use. --- ### 4. Common Applications 1. **Traffic Management:** Traffic signals, pedestrian crossings, and work zone indicators. 2. **Variable Message Signs (VMS):** Highway information boards. 3. **Commercial Outdoor Advertising:** Large-scale LED billboards. 4. **Automotive:** Exterior lighting and signaling. --- ### 5. Schematic Symbol Representation ```cpp // Basic LED Electrical Representation (Anode) ----|>|---- (Cathode) Arrow points to negative (Flat side of LED) ```