Red LED SMD 0805 Package

Red LED SMD 0805 Package: An Overview

The Red Surface Mount (SMD) LED in an 0805 package is a compact, efficient, and versatile light-emitting diode (LED) designed for various lighting and indication purposes. This LED is encapsulated in a small 0805 package, a standard size in the electronics industry, which measures approximately 2.0 mm x 1.25 mm. The surface-mount design allows for easy integration into printed circuit boards (PCBs) using surface-mount technology (SMT), making it suitable for modern electronic devices where space efficiency and performance are paramount. This LED emits a vibrant red light, providing a visually striking indicator for various applications.

Specifications

• Package Type: 0805 (2.0 mm x 1.25 mm)
• Color: Red
• Forward Voltage (Vf): Typically 1.8V to 2.2V
• Forward Current (If): 20 mA (standard operating current)
• Luminous Intensity: 30 mcd to 200 mcd (millicandela) depending on the specific model
• Viewing Angle: Approximately 120 degrees
• Wavelength: 620 nm to 630 nm (typical red light spectrum)
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -40°C to +100°C
• Polarity: Cathode indicated by the shorter lead and/or a notch on the package

Features

1. Compact Size: The 0805 package is small, allowing for high-density PCB layouts, essential in modern miniaturized electronic designs.
2. Surface Mount Technology (SMT): Enables automated assembly and soldering processes, increasing manufacturing efficiency and reliability.
3. Vibrant Red Light Emission: The LED emits a bright and consistent red light, ideal for clear status indication and visual alerts.
4. Low Power Consumption: Efficient operation with low forward voltage and current requirements, suitable for battery-operated devices.
5. Wide Viewing Angle: Approximately 120 degrees, ensuring visibility from various angles, enhancing the effectiveness of indicators and displays.
6. Durability: Designed to operate in a wide range of temperatures and environmental conditions, ensuring long-term reliability.
7. Polarity Marking: Clear indication of cathode and anode for easy and correct placement on PCBs.

Applications

1. Status Indicators: Commonly used in electronic devices to indicate power status, errors, operational states, and other conditions.
2. Displays: Utilized in alphanumeric and graphical displays in various devices, including digital clocks, calculators, and information boards.
3. Decorative Lighting: Employed in decorative applications due to its vibrant color and compact size, such as in toys, gadgets, and architectural lighting.
4. Consumer Electronics: Integrated into remote controls, audio equipment, and household appliances for user feedback and control signals.
5. Automotive Lighting: Used in dashboards, control panels, and indicator lights within vehicles.
6. Communication Devices: Indicating status in modems, routers, and other networking equipment.
7. Medical Devices: Providing visual indicators in diagnostic and monitoring equipment.

Developments

With the continuous advancement in semiconductor technology, the Red SMD LED in an 0805 package has seen significant improvements:

1. Increased Efficiency: Modern LEDs offer higher luminous efficacy, providing more light output per watt of electrical power consumed.
2. Enhanced Reliability: Improved materials and manufacturing processes have increased the operational lifespan and durability of these LEDs.
3. Lower Costs: Advances in manufacturing technology have reduced the production costs, making high-quality LEDs more affordable.
4. Customization: Availability in various shades of red and intensity levels to meet specific application requirements.
5. Integration with Smart Technologies: Compatibility with smart lighting controls and integration into IoT devices for enhanced functionality.

Instruction for Use

1. Handling: Always handle LEDs with care, avoiding direct contact with the lens and leads to prevent damage or contamination.
2. Mounting: Ensure correct orientation by identifying the cathode (usually marked by a notch or shorter lead) before placement on the PCB.
3. Soldering: Use appropriate soldering techniques compatible with SMT processes. Reflow soldering is recommended, following the manufacturer’s temperature profile to avoid thermal damage.
4. Current Limiting: Implement current-limiting resistors in series with the LED to prevent excessive current that could damage the diode. Calculate the resistor value using Ohm’s law: 𝑅=𝑉𝑠𝑢𝑝𝑝𝑙𝑦−𝑉𝑓𝐼𝑓R=If​Vsupply​−Vf​​.
5. Environmental Considerations: Ensure the operating environment is within the specified temperature range to maintain LED performance and longevity.
6. Testing: After soldering, test the LED circuit to ensure proper functionality. Check for correct polarity and adequate luminous intensity.
7. Storage: Store LEDs in a dry, cool environment to prevent moisture absorption, which can affect solderability and performance.

The Red Surface Mount (SMD) LED in an 0805 package is a critical component in modern electronic designs, offering a combination of compact size, efficient performance, and vibrant light emission. Its versatility makes it suitable for a wide range of applications, from consumer electronics to automotive and medical devices.

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