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No.20,Huayuan Road,Xiaolan Industrial Avenue,Xiaolan Town,Zhongshan,Guangdong

gzb@liyinled.com

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+86-18666157138

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+86（0760）23669866

APL-TD-4418B

Product origin China

5W/7W/9W options (100+ lm/W efficacy). Tri/single-CCT switchable via wall toggle. Ø90/Ø110 housings for Φ75-100mm cutouts. AC85-265V universal input. ±30° tilt, ABS V0-rated housing. Custom RAL colors (500 MOQ). >80 CRI, SMD2835 source. CE/RoHS compliant. For commercial retrofits.

I. Revolutionary DOB Technology Platform

Driver-on-Board (DOB) Integrated Architecture

Core Innovation: AC-to-DC conversion circuitry directly bonded to LED module (eliminating external driver)
Certification Compliance: Meets EN 62368-1 safety standard for PCB-integrated HV components
Thermal Advantage: 18% reduction in junction temperature vs. remote-driver designs (validated per TM-21 testing)

II. Versatile Feature Engineering

1. Intelligent CCT Switching System

Tri-CCT Technology: 3000K / 4000K / 5000K selectable via standard wall switch (3-step sequence)
Circuit Design: Constant current IC + dual MOSFET protection (EN 62031 compliant)
Application: Hospitals/offices requiring dynamic circadian lighting

2. Precision Optical Adjustment

Mechanism: 30° tilt range with stainless steel gimbal (ASINZ 60598.2.2 load-tested)
Beam Options: 24° (spot), 60° (flood), 90° (wash) polycarbonate lenses

3. Customization Ecosystem

Housing Colors: RAL/K7 pantone matching (500-unit MOQ)
Trim Finishes: Brushed nickel/black matte/anodized gold (IP5X-rated coatings)

III. Technical Parameter Matrix

Variant	4418B-5W	4418B-7W	4418B-9W	Engineering Rationale
Housing Size	Ø90×30mm	Ø110×38mm	Ø110×38mm	Thermal mass scaling with wattage
Cutout (mm)	Ø75±0.5	Ø90-100⌀	Ø90-100⌀	US drywall (5/8") vs EU plasterboard (12.5mm)
Lumen Output	500lm (Tri-CCT)	770lm	990lm	Efficacy: 100-110 lm/W (LED bin: SMD2835 120lm@65mA)
CRI/Ra	>80 (Typ. 83)	>80 (Typ. 84)	>80 (Typ. 85)	Chromatic consistency: MacAdam Ellipse ≤3
Voltage Range	AC85-265V 50/60Hz		Universal auto-sensing IC (Buck-Boost topology)
Power Factor	≥0.5	≥0.55	≥0.6	Passive PFC optimization at higher loads

Material Science

Housing: ABS V0-rated (UL94 HB certification)
Optics: PMMA lenses with UV-stabilization (ISO 4892-2:2013)
Thermal Interface: Nano-alumina dielectric layer (3.2W/mK conductivity)

IV. Performance Validation Data

Photometric Testing (LM-79-08)

Metric	5W Tri-CCT	9W Single-CCT
Total Flux	485-520lm	945-990lm
Efficacy	97-104 lm/W	105-110 lm/W
Beam Uniformity	1:1.3 (Max:Min)	1:1.2

Reliability Metrics

L70 Lifetime: 35,000hrs (TM-21 extrapolation @Ta=35°C)
Surge Protection: 4kV Line-Earth (IEC 61000-4-5 Level 4)
THD: <15% @230Vac (EN 61000-3-2 Class C)

V. Global Compliance Footprint

Electrical Safety:

CE LVD (EN 60598-1) + UKCA
EMC (EN IEC 55015/61547)

Sustainability:

RoHS 3 (11 substances)
REACH SVHC <0.01%

Quality Assurance:

IST MTBF: 200,000hrs (MIL-HDBK-217F)
Vibration: 5G @10-500Hz (IEC 60068-2-64)

VI. Application-Specific Guidelines

Commercial Installations

Suspension Ceilings: Use auxiliary mounting brackets at >3m heights
Concrete Slabs: Diamond-core drilling required (Ø=cutout+4mm tolerance)

Residential Limitations

Attic Clearance: ≥25mm from insulation (IEC 60598 thermal clause 12.5)
Dimmability: NOT compatible with ELV/TRIAC - 0-10V drivers optional (PN: DL-10V-9W)

VII. Packaging & Logistics

Parameter	Standard	Tri-CCT Version
Units/Carton	24 pcs (Ø90)	16 pcs
40HC Capacity	28 pallets (6,720 units)	18 pallets (2,880 units)
Customs Declarations	HS: 9405109900	Requires additional FCC Part 15B certification
Warranty	5 years (LED)	3 years (Switch circuit)

VIII. Competitive Differentiation

DOB Advantage vs. Conventional Drivers

Factor	4418B DOB System	Traditional Driver
Failure Rate (%)	0.8% (@ 5khrs)	3.1%
Start-up Time	<0.5s	1.2-2s
THD @10% Load	18%	35%
Depth Reduction	22-32mm	0mm (external)

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