Product Overview
YAG-04H18 is a yellow-green YAG phosphor specifically designed for high-power LED packaging. This product features a 17.6μm large particle size design with excellent settling stability, suitable for high-power COB (Chip-on-Board) and module packaging formats.
YAG-04H18 delivers a relative brightness of 112.82% with a color temperature of 3668K, enabling high luminous efficacy warm white light output, making it an ideal choice for high-power lighting applications such as high-bay lights, floodlights, and street lights.
Core Advantages
💪 High-Power Dedicated Design 17.6μm large particle size for stable settling, specifically designed for high-power packaging applications. | ⚡ High Relative Brightness 112.82% relative brightness with outstanding luminous efficiency for demanding applications. |
🌈 Broadband Emission 112.7nm FWHM for natural, uniform light color with excellent color consistency. | 🔧 Good Process Operability Large particle size facilitates manual operation and gel mixing with uniform dispersion. |
Not sure if this phosphor fits your application?Our engineers help 200+ companies find the right phosphor every month. Try our selection tool or talk to an expert. |
Key Performance Data
Yellow-green Emission Color | 556.6 nm Peak Wavelength |
112.7 nm FWHM | 455–460 nm Compatible Chip Wavelength |
x = 0.447, y = 0.536 CIE 1931 Coordinates | 17.6 μm Large Particle Size |
3668 K Correlated Color Temperature | 112.82% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | YAG-04H18 | YAG-based |
| Emission Color | Yellow-green | — |
| CIE 1931 Coordinates | x = 0.447, y = 0.536 | — |
| Correlated Color Temperature (CCT) | 3668 K | Warm white |
| Dominant Wavelength | 571.2 nm | — |
| Peak Wavelength | 556.6 nm | Yellow-green region |
| FWHM | 112.7 nm | Broad spectrum |
| Relative Brightness | 112.82% | High brightness |
| Particle Size (D50) | 17.6 μm | Large particle |
| Compatible Chip Wavelength | 455–460 nm | Blue LED chip |
| Suitable Packaging Type | High-power / COB | High brightness type |
| Shelf Life | 24 months | Sealed storage |
| *All parameters are based on standard laboratory test conditions. | ||
Performance Analysis
📊 Spectral Characteristics YAG-04H18 exhibits a broadband emission spectrum with a peak at 556.6nm, with spectral characteristics similar to YAG-04H15. The larger particle size makes it more suitable for high-power applications requiring stable settling. | 📉 Particle Size Distribution D50 is controlled at 17.6μm. The larger particle size provides more stable settling characteristics, suitable for uniform gel dispersion in high-power packaging. |
Recommended Applications
💪 High-Power LED Modules Large-scale LED modules requiring stable color performance and high brightness output. | 📦 COB Light Sources Chip-on-board packaging for concentrated high-power illumination applications. |
🏭 High-Bay Lights Industrial high-bay lighting for warehouses, factories, and large indoor spaces. | 🌙 Floodlights & Street Lights Outdoor high-power lighting applications including floodlights and street lighting. |
🚀 READY TO GET STARTED? Test This Phosphor in Your ApplicationRequest a free sample to evaluate YAG-04H18 in your production environment, or contact our application engineers for technical support. 🚚 Ships in 3 business days ⏰ Reply within 24 hours 📜 COA included |
Why Choose YAG-04H18?
💪 High-Power First Choice 17.6μm particle size optimized for high-power packaging with stable settling characteristics. | ⚡ High Brightness Guarantee 112.82% relative brightness meets high luminous efficacy requirements for high-power applications. |
🔧 Easy to Operate Large particle size ensures uniform gel mixing with good process consistency and repeatability. | |
Packaging & Storage
| Packaging | High-seal moisture-proof bottles suitable for long-term storage and transportation |
| Storage Conditions | Store sealed in a dry, cool environment. Avoid direct sunlight, high temperature, and high humidity. |
| Usage Recommendations | Use promptly after opening; reseal unused portions to minimize moisture exposure. |
| Shelf Life | 24 months under recommended sealed storage conditions |
Frequently Asked Questions (FAQ)
❓ What is the difference between YAG-04H18 and YAG-04H15? Both have similar optical parameters. The main difference is particle size: YAG-04H15 is 12.5μm (SMD packaging), while YAG-04H18 is 17.6μm (high-power packaging). | ❓ What packaging processes is it suitable for? Suitable for high-power COB, large-size modules, and through-hole high-power LED packages. Not recommended for small-size SMD applications. |
❓ Can YAG-04H18 be blended with other phosphors? Yes. YAG-04H18 can be blended with red phosphor to improve CRI. Ensure compatible particle sizes when mixing for uniform dispersion. | ❓ Do you offer small-batch samples? Yes. We can provide 50–100g evaluation samples for testing and verification. |
Samples & Technical Support
Get YAG-04H18 Technical Support and Samples TodayWe offer small-batch sample services for testing and validation. Contact our technical and sales team. |
