1. Introduction
This manual provides essential information for the safe and effective use of HVIERO 5050 and 0805 Surface Mount Device (SMD) LED chips. These versatile light-emitting diodes are designed for a wide range of applications, from intricate DIY electronics projects to decorative and ambient lighting. Available in various colors, these chips offer high light efficiency, low light decay, and minimal heat generation for enhanced longevity.
2. Specifications
General Properties
- Brand Name: HVIERO
- Shape: SQUARE
- Certification: ROHS
- High-concerned chemical: None
- Origin: Mainland China
5050 SMD SMT LED Specifications
| Colour | Voltage (V) | Luminance (mcd) | Wave band (nm, K) |
|---|---|---|---|
| Blue | 3.0~3.2 | 600~800mcd | 445~460nm |
| Green | 3.0~3.4 | 600~800mcd | 520~525nm |
| Red | 2.0~2.2 | 600~800mcd | 620~625nm |
| Warm White | 3.0~3.2 | 9-11LM | 3000~3200k |
| Yellow | 2.0~2.2 | 500~700mcd | 588~590nm |
| White | 3.0~3.2 | 10-12LM | 6000~6500k |
| Pink | 3.0~3.4 | X=0.35,Y=0.37 | 740-755nm |
| Purple | 3.0~3.2 | X=0.35,Y=0.37 | 410~415nm |
| Orange | 2.0~2.2 | 600~800mcd | 600~605nm |
| RGB (Red) | 2.0~2.2 | 250-350mcd | 620-625nm |
| RGB (Green) | 3.0~3.2 | 800-1000mcd | 512-517nm |
| RGB (Blue) | 3.0~3.2 | 180-220mcd | 460-465nm |
Other 5050 Specifications:
- Power: 0.2W
- Viewing Angle: 120-140°
- Life Rating: 100,000 Hours
- Current: 60mAh
- Size: 5x5 mm (L*W)
0805 SMD SMT LED Specifications
| Colour | Voltage (V) | Luminance (mcd) | Wave band (nm, K) |
|---|---|---|---|
| Blue | 3.0~3.2 | 120~150mcd | 465~470nm |
| Green | 3.0~3.2 | 600~800mcd | 520~525nm |
| Red | 2.0~2.2 | 120~150mcd | 620~625nm |
| Warm White | 3.0~3.2 | 600~800mcd | 2700~3000k |
| Yellow | 2.0~2.2 | 120~150mcd | 588~592nm |
| White | 3.0~3.2 | 800~1000mcd | 6000~6500k |
| Pink | 3.0~3.2 | 120~150mcd | X=0.35,Y=0.37 |
| Purple | 2.0~2.3 | 120~150mcd | 395~400nm |
| Orange | 2.0~2.2 | 120~150mcd | 601~605nm |
Other 0805 Specifications:
- Viewing Angle: 120°
- Current: 20 mAh (each color)
- Voltage: 2-3.2 V
3. Package Contents
Your package includes:
- 100 PCS of 5050/0805 SMD SMT LEDs (as per your selection).
4. Features
- Super bright 5050 SMD LED with high intensity and reliability.
- Smooth and even light spread, effectively solving uneven luminous problems.
- Operates at a low temperature for enhanced safety and extended longevity.
- High light efficiency.
- Low light decay.
- Small fever (low heat generation).
5. Setup & Installation
These SMD LEDs are small electronic components requiring careful handling and proper electrical connections. Basic knowledge of electronics and soldering is recommended.
5.1 Polarity and Pinout
LEDs are diodes and are polarity-sensitive. Incorrect polarity will prevent the LED from lighting up and can potentially damage it.
- 5050 SMD LED: Refer to the diagram below. The cathode mark on the LED package indicates the negative terminal. For single-color 5050 LEDs, typically two pins are used for connection. For RGB 5050 LEDs, there are usually 6 pins, with separate anode/cathode for each color or a common anode/cathode. The diagram shows a common cathode configuration (pins 2, 4, 6) and individual anodes (pins 1, 3, 5) for a multi-chip package.
- 0805 SMD LED: Refer to the diagram below. The cathode mark indicates the negative terminal. These are typically two-pin devices.
5.2 Power Supply and Current Limiting
LEDs require a specific forward voltage and must be operated with a current-limiting resistor in series to prevent damage from excessive current. Consult the specifications table for the appropriate forward voltage and current for your specific LED color and type.
- Connect the anode (+) of the LED (and the resistor) to the positive terminal of your power supply.
- Connect the cathode (-) of the LED to the negative terminal of your power supply.
- Calculate the appropriate resistor value using Ohm's Law (R = (Vs - Vf) / I), where Vs is the supply voltage, Vf is the LED's forward voltage, and I is the desired forward current (e.g., 20mA for 0805, 60mA for 5050).
5.3 Soldering
These are Surface Mount Technology (SMT) components. Use appropriate soldering equipment and techniques (e.g., fine-tipped soldering iron, solder paste, hot air station) to avoid damaging the small components or creating short circuits.
6. Operating Instructions
Once properly installed with the correct voltage and current limiting, the LED chip will emit light. No further operational steps are typically required beyond providing power.
7. Maintenance
- Moisture Protection: Avoid direct contact with water or moisture to ensure the longevity and proper functioning of the LED chips.
- Voltage and Current: Do not exceed the recommended forward voltage or current as specified in the 'Specifications' section to prevent premature failure.
- Temperature: While these LEDs operate at low temperatures, ensure adequate heat dissipation if used in high-density arrays or enclosed spaces to maintain optimal performance and lifespan.
8. Troubleshooting
- LED does not light up:
- Check Polarity: Ensure the anode (+) and cathode (-) are connected correctly.
- Verify Voltage: Confirm the applied voltage is within the specified forward voltage range for the LED.
- Check Current: Ensure a current-limiting resistor is used and its value is correct for the power supply and LED.
- Inspect Connections: Look for poor solder joints, broken wires, or damaged traces on the PCB.
- Test LED: Use a multimeter with a diode test function or a low-voltage power supply with a series resistor to test the individual LED chip.
- LED is dim or flickers:
- Insufficient Voltage/Current: The power supply may not be providing enough voltage or current.
- Poor Connection: Check for loose or corroded connections.
- Faulty LED: The LED chip itself might be damaged.
- LED burns out quickly:
- Excessive Voltage/Current: The most common cause is operating the LED without a current-limiting resistor or with an incorrect resistor value, leading to overcurrent.
- Overheating: Poor heat dissipation can lead to thermal runaway and premature failure.
9. User Tips
- Always use a current-limiting resistor when powering LEDs to protect them from overcurrent and extend their lifespan.
- When designing circuits with multiple LEDs, consider connecting them in series or parallel with appropriate resistors, depending on your power supply voltage and desired brightness.
- Note that different LED colors have varying forward voltages, which will require different resistor values for optimal operation.
- Handle the small SMD components with care during soldering and assembly to avoid physical damage.
10. Warranty & Support
For detailed technical information and additional guides, you may refer to the official user manual PDF available at: User Manual (PDF).
For product support, technical assistance, or any inquiries regarding your HVIERO LED chips, please contact the seller directly through the platform where the purchase was made.
