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Core Optical & Electrical Parameter Analysis for B2B Procurement & Engineering Channels
In B2B commercial lighting, global trade sourcing, and OEM/ODM engineering channels, the stability, luminous efficiency, and color accuracy of light sources are critical factors determining project acceptance quality and end-user satisfaction. Yesheng Lighting strictly adheres to data-driven manufacturing standards. Based on the professional SPEC-2000A spectrometer analysis system, this technical white paper provides a rigorous, engineering-grade deconstruction and application assessment of Yesheng's three primary color temperature light sources (3000K, 4500K, and 6500K).
I. Data Overview & Core Parameter Comparison
The following technical matrix extracts authentic data points directly from Yesheng Lighting's official spectral test reports, specifically referenced from files
| Evaluation Dimension \ Model | 3000K (Warm White) | 4500K (Natural White) | 6500K (Daylight) |
| Correlated Color Temp. (CCT) | 3011 K | 4390 K | 6666 K |
| Luminous Flux (lm) | 1954.88 lm | 3188.50 lm | 2070.84 lm |
| Luminous Efficiency (lm/W) | 110.95 lm/W | 122.73 lm/W | 116.54 lm/W |
| Color Rendering Index (Ra) | 79.84 ($\approx$80) | 83.92 ($\approx$84) | 81.28 ($\approx$81) |
| Fidelity (Rf) / Gamut (Rg) | Rf = 81.17 / Rg = 96.33 | Rf = 84.81 / Rg = 96.63 | Rf = 84.17 / Rg = 93.91 |
| Color Deviation (SDCM) | 2.7 SDCM (IEC/F3000) | 7.0 SDCM (IEC/F4000) | 4.7 SDCM (IEC/F6500) |
| Tested Real Power (W) | 17.62 W | 25.98 W | 17.77 W |
| Power Factor (PF) | 0.5798 | 0.6023 | 0.5803 |
| Energy Efficiency Class | Class E (EU 2019/2015) | Class E (EU 2019/2015) | Class E (EU 2019/2015) |
II. Deep Technical Analysis of Optical Performance
1. Outstanding Luminous Efficiency & Lumen Output
Premium 4500K Performance: Operating at a real power consumption of 25.98W, it delivers a massive output of 3188.50 lm, resulting in a remarkable luminous efficiency of 122.73 lm/W. This verifies Yesheng's mastery over LED chip selection and phosphor coating optimization, giving project owners an exceptionally fast ROI via energy savings.
Balanced 3000K & 6500K Outputs: At the mainstream 17.6W–17.7W power bracket, their respective efficiencies reach 110.95 lm/W and 116.54 lm/W, comfortably exceeding standard engineering thresholds while minimizing heat generation.
2. Color Rendering & Spectral Power Distribution (SPD)
Ra $\ge$ 80 Across the Board: Meeting stringent commercial project regulations, the 4500K (Ra=83.92) and 6500K (Ra=81.28) variants guarantee vivid rendering. Notably, the 4500K configuration achieves a strong red-rendering index of R9 = 13.4, a rare red-spectrum compensation for standard natural white modules that ensures rich, three-dimensional color representation.
High Fidelity & Gamut (Rf & Rg): IES TM-30 metrics show all configurations sustaining an Rf of 81–85 and an Rg of 93–97, proving high color fidelity without noticeable chromatic distortion.
3. Chromaticity Consistency & MacAdam Ellipse Control
Industry-Leading Color Match at 3000K (2.7 SDCM): As visualized in the MacAdam Ellipse chart of , the color deviation is only 2.7 SDCM. This falls well below the standard international threshold of 5 or 7 SDCM. For large-scale procurement, this ensures absolute batch-to-batch consistency with zero visible color variance to the human eye.
III. Electrical Stability & Global Compliance
All modules demonstrate exceptional grid health under standard 220V testing conditions, with smooth current curves and tight power factor control (PF up to 0.6023). Crucially, the entire lineup fulfills the updated, highly demanding European energy label standards EU 2019/2015 (EU 874) under Class E. In an era of tightening international customs barriers and strict ERP/CE/UL compliance audits, Yesheng provides a completely risk-free cross-border verification path for global importers.
IV. B2B Strategic Application & Sourcing Guide
To align with high-demand procurement needs, Yesheng Lighting incorporates these certified light sources into tailored B2B solutions across global industrial structures. Based on the specific search intents identified in engineering channels, we recommend the following application maps:
3000K (High-Consistency Spec): Ideal for a premium ceiling fans supplier delivering custom ceiling fans with lights deployed in luxury hotels, hospitality lounges, and residential living zones where a flawless, 2.7 SDCM warm ambiance is mandatory.
4500K (High-Efficacy Spec): The top recommendation for commercial spaces, offices, and educational institutes looking to source high-volume custom ceiling fans for sale that demand optimal visual comfort paired with an energy-saving 122.73 lm/W performance.
6500K (Industrial Daylight Spec): Perfectly engineered for a modern smart ceiling fan factory or professional ceiling fan with light manufacturers supplying high-latitude overseas markets, warehouses, and precision assembly lines requiring crisp visibility and verified compliance.
Brand Commitment from Yesheng: Every photometric and spectral report reflects our deep engineering rigor and unwavering responsibility to our global B2B partners. Supported by our SPEC system verification and robust compliance frameworks, Yesheng Lighting is your trusted partner for high-volume commercial supply chains worldwide.
