📌 Product Overview
The XL-B504RGBW is a diffused 4-pin RGB LED component manufactured by XINGLIGHT, featuring a highlight red, green, and blue chip set encapsulated in a mist colloid. 🔍 Designed for applications requiring color mixing and wide-angle diffusion, this component is engineered to support high-energy efficiency with a fast startup response.
💡 Targeted primarily at industrial and automotive sectors, this device integrates into systems requiring compact, multi-color light sources. Its design supports compliance with ROHS environmental standards, ensuring suitability for global export markets.
🎯 Typical Applications
Based on the luminous intensity and mist colloid characteristics, the XL-B504RGBW is optimized for the following scenarios:
- Backlight Modules: Ideal for indicator lights and dashboard illumination where even color diffusion is required.
- Automotive Interiors: Suitable for footwell lighting, door panel accents, and dashboard indicators (operating range -40°C to +85°C).
- Smart Home Devices: Integration into status indicators, IoT hubs, and ambient lighting fixtures.
- Signal Indication: Usage in industrial control panels and traffic or safety signaling equipment.
- General Lighting: Accent lighting applications requiring RGB color mixing capabilities.
⚡ Key Technical Specifications
The following table outlines the electro-optical performance under standard test conditions ($T_a=25^\circ C$). ⚠️ Designers should pay close attention to the variance in Forward Voltage ($V_F$) and Luminous Intensity ($I_V$) to ensure driver compatibility.
| Parameter | Symbol (Color) | Test Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Luminous Intensity | $I_V$ (Red) | $I_F=20mA$ | 700 | - | 1800 | mcd |
| $I_V$ (Green) | $I_F=20mA$ | 4000 | - | 6000 | mcd | |
| $I_V$ (Blue) | $I_F=20mA$ | 1000 | - | 1500 | mcd | |
| Dominant Wavelength | $\lambda_D$ (R) | $I_F=20mA$ | 620 | - | 630 | nm |
| $\lambda_D$ (G) | $I_F=20mA$ | 515 | - | 530 | nm | |
| $\lambda_D$ (B) | $I_F=20mA$ | 460 | - | 470 | nm | |
| Forward Voltage | $V_F$ (Red) | $I_F=20mA$ | 1.8 | - | 2.4 | V |
| $V_F$ (Green) | $I_F=20mA$ | 2.8 | - | 3.4 | V | |
| $V_F$ (Blue) | $I_F=20mA$ | 2.8 | - | 3.4 | V | |
| Viewing Angle | $2\phi_{1/2}$ | $I_F=20mA$ | - | 35 | - | deg |
⚠️ Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause permanent device failure. 🔒 These limits are critical for designing the driver circuit and thermal management systems.
| Parameter | Symbol (Color) | Rating | Unit | Note |
|---|---|---|---|---|
| Power Dissipation | $P_D$ (Red) | 50 | mW | - |
| $P_D$ (Green/Blue) | 70 | mW | - | |
| Forward Current | $I_F$ (All) | 20 | mA | DC Continuous |
| Peak Forward Current | $I_{FP}$ (All) | 80 | mA | Pulse width/duty cycle limited |
| Reverse Voltage | $V_R$ (All) | 5 | V | - |
| ESD Ability | ESD | 2000 | V | Human Body Model |
| Operating Temp. | $T_{opr}$ | -40 ~ +85 | $^\circ C$ | - |
| Storage Temp. | $T_{stg}$ | -40 ~ +85 | $^\circ C$ | - |
Soldering Limits:
- 🚨 Reflow Soldering: Max 240°C for ≤ 6 seconds.
- 🚨 Manual Welding: Max 300°C for ≤ 3 seconds.
- 🔒 Distance: Soldering point must be >3.5mm from the colloid bottom.
📦 Package, Dimensions & Assembly Notes
- Package Type: F5 Diffused Round Lamp (Mist Colloid).
- Dimensions: The appearance dimension is standardized as F5/5.85.08.7*28mm (refer to the outline drawing in the full datasheet for specific tolerances).
- Moisture Sensitivity: Classified as MSL Level 2.
- 📢 Assembly Note: Components must be mounted within 1 year of the bag seal date. If the moisture barrier bag is exposed for more than 168 hours (7 days), baking is required before reflow soldering to prevent popcorning or internal cracking.
- Packaging: EIA standard compliant packaging to facilitate automated feeder setup for radial insertion machines.
🚀 Sourcing & Supply Considerations
- Binning Codes: When procuring, specify the Brightness (A/B), Voltage (N1/N2), and Wavelength (H) codes to ensure color consistency across batches.
- Authenticity: Verify distribution channels to avoid counterfeits that may not meet the ROHS compliance or luminous flux specifications.
- Samples: Engineering samples should be requested to validate the mist colloid diffusion effect in your specific optical cavity design.
- Lead Time: Check stock availability for specific voltage bins, as forward voltage sorting can sometimes impact delivery schedules.
❓ Frequently Asked Questions
Q: Can I drive the Red and Green channels with the same voltage source?
A: No. The datasheet indicates a significant difference in Forward Voltage ($V_F$). The Red chip typically ranges from 1.8V to 2.4V, while Green and Blue chips range from 2.8V to 3.4V. You must use separate current-limiting resistors or constant current channels for each color to prevent thermal runaway or uneven brightness.
Q: What does "Mist Colloid" mean for my light output?
A: The "mist" or diffused colloid provides a wider viewing angle (approx 35 degrees) and softer light output compared to a water-clear lens. This is ideal for indicator lights where you want a smooth, blended color appearance without seeing the individual LED chip hotspots.
Q: Is this component suitable for high-temperature automotive environments?
A: Yes, the XL-B504RGBW is rated for an operating ambient temperature ($T_{opr}$) of -40°C to +85°C, which covers the standard range for automotive interior applications. However, ensure the PCB layout accounts for the power dissipation (up to 70mW per channel) to avoid local overheating.
Q: What is the MSL rating and why does it matter?
A: The Moisture Sensitivity Level is 2. This means the component can withstand floor life exposure of up to 1 year at <30°C/60% RH. If you are using reflow soldering, ensure the components have not been exposed to humidity longer than this, or follow the baking guidelines to prevent damage during the high-temperature soldering process.
Q: How do I interpret the Brightness Grading codes like "A7" or "B8"?
A: These codes represent the luminous intensity bins. For example, "B8" refers to Green LEDs with intensity between 5000 and 6000 mcd. Selecting a specific bin code (e.g., A7 for Red, B8 for Green) ensures that all units in a batch have similar brightness, which is critical for uniform backlighting.
Q: What are the restrictions for manual soldering?
A: Manual welding must not exceed 300°C and should be completed within 3 seconds. Additionally, the soldering point must remain at least 3.5mm away from the bottom of the LED colloid to prevent heat damage to the epoxy and internal wire bonds.
