## LTL-4233-R2 Electronic Specifications The **LTL-4233-R2** is a specific model of a Light Emitting Diode (LED) manufactured by **Lite-On**. It belongs to the T-1 (3mm) diameter category and is primarily used as a status indicator in various electronic devices. ### 1. Key Technical Specifications The following table highlights the primary electrical and optical characteristics of the LTL-4233-R2. | Parameter | Description | Typical Value | | :--- | :--- | :--- | | **Color** | Emitted Light Color | High Efficiency Red | | **Lens Appearance** | Type of plastic casing | Red Diffused | | **Forward Current ($I_F$)** | Operating current | 20 mA (Continuous) | | **Forward Voltage ($V_F$)** | Voltage drop across LED | 2.0V (Typical) / 2.6V (Max) | | **Luminous Intensity ($I_V$)** | Brightness at 10mA | 12.6 mcd | | **Wavelength ($\lambda_d$)** | Peak light frequency | 625 nm | | **Viewing Angle** | Spread of light | 40° | | **Power Dissipation** | Max power handling | 75 mW | --- ### 2. Physical Dimensions and Build * **Package Type:** T-1 (3mm) standard cylindrical package. * **Mounting Type:** Through-hole (Radial leads). * **Lead Polarity:** * **Anode (+):** The longer lead. * **Cathode (-):** The shorter lead, usually accompanied by a flat edge on the LED rim. --- ### 3. Application Use Cases Because of its small size and diffused lens (which provides a wider, softer viewing angle compared to clear lenses), the LTL-4233-R2 is commonly found in: 1. **Consumer Electronics:** Power indicators for TVs, monitors, or audio equipment. 2. **Industrial Panels:** Fault or status lamps on control boards. 3. **Prototyping:** Standard signal indicators for Arduino or Raspberry Pi projects using a current-limiting resistor. --- ### 4. Typical Connection Circuit To use this LED safely with a DC power source, a resistor must be placed in series to prevent overcurrent. ```cpp // Example Calculation for a 5V Circuit: // R = (V_source - V_forward) / I_forward // R = (5V - 2.0V) / 0.02A // R = 150 Ohms (Standard Resistor Value) ```