Article Contents
Industry Insight: S Type Led
Introduction & Market Demand
The Growing Demand for S-Type LED Strips in Commercial Applications
S-Type LED strip lights, distinguished by their zigzag or S-shaped configuration, are increasingly critical in commercial and industrial lighting design. Unlike standard linear strips, these flexible solutions enable precise bending up to 90 degrees, allowing for seamless integration into complex architectural elements such as curved signage, cove lighting, retail displays, and custom fixtures. This adaptability meets the evolving demands of modern projects where aesthetics and functionality converge—particularly in high-end retail, hospitality, and architectural installations where visual impact and precision are non-negotiable.
Why Certification Matters for Global Importers
For importers and project managers, compliance with regional safety standards is non-negotiable. Products lacking ETL (USA/Canada) or TUV CE (Europe) certifications risk customs delays, regulatory penalties, and liability issues. In markets with strict electrical safety regulations, certified products ensure compliance with local codes, reduce project risks, and maintain brand integrity. Uncertified lighting solutions often fail to meet voltage stability, thermal management, or fire safety requirements, leading to costly rework or project delays. Beauty STC Lighting addresses these challenges through rigorous adherence to international standards, providing importers with market-ready solutions that eliminate compliance uncertainty.
Beauty STC: 25+ Years of Engineering Excellence
Since 1998, Beauty STC Lighting has specialized in high-quality LED lighting solutions for global markets. Our expertise spans OEM/ODM services, with a focus on delivering certified products that meet the exacting standards of Western markets. Below are key specifications for our S-Type LED strip offerings:
| Specification | Details |
|---|---|
| LED Type | 2835/5050 SMD |
| LED Density | 60 LEDs/m (standard), customizable up to 120 LEDs/m |
| Power Consumption | 8–12 W/m (varies by model and configuration) |
| Color Temperature | 2700K–6500K (adjustable, with options for tunable white) |
| CRI | ≥90 (98+ available for high-fidelity applications) |
| Beam Angle | 120° |
| Certifications | ETL (USA/Canada), TUV CE (Europe) |
| Customization | OEM/ODM support for voltage, length, connectors, and PCB design |
Our manufacturing process integrates automated production lines with strict quality control protocols, ensuring consistent performance across all batches. With 50+ countries served and a portfolio validated by third-party certifications, Beauty STC Lighting provides importers with a reliable supply chain partner that prioritizes technical precision over marketing claims.
Technical Specs & Certifications (ETL/CE)

Technical Specifications & Quality Standards – S-Type LED Strip
1. Electrical & Optical Targets
Beauty STC Lighting designs every S-Type (zig-zag) strip to the same bill-of-materials used in our ETL-listed LED panels and high-bay luminaires. The result is a 24 V tape that behaves like a fixture-grade light engine rather than a disposable accent strip.
| Parameter (per metre, 300 LED, 2835 SMD) | Beauty STC Target | Tolerance in Mass Production |
|---|---|---|
| Luminous flux @ 4000 K | 1 650 lm | ±3 % binning, ±5 % end-of-line |
| Efficacy | 138 lm W⁻¹ | ±4 % |
| CCT drift over 6 000 h (Ta = 45 °C) | < 50 K | Measured in 200 mm integrating sphere |
| CRI (Ra) | 93 | Min 90, typ 93, max 95 |
| R9 saturated red | 70 | Min 65 |
| MacAdam ellipse | ≤ 3 SDCM | 100 % production sorted |
2. Mechanical & Environmental Ratings
The serpentine PCB is the critical element; a 90° bend concentrates stress on the copper traces. We therefore use rolled-annealed (RA) 35 µm copper on 2-oz base and via-stitch every 5 mm under the LED pads.
| Attribute | Specification | Test Standard & Result |
|---|---|---|
| PCB base material | Double-layer FR-4, 0.2 mm | IPC-4101/21, UL flammability V-0 |
| Copper thickness | 70 µm total (2 oz) | IPC-TM-650 2.2.12 |
| Ingress protection, indoor version | IP54 | IEC 60529 (dust-tight, splash-proof) |
| Ingress protection, outdoor version | IP67 full sleeve | IEC 60529 (1 m, 30 min) |
| Operating temperature | –30 °C … +65 °C | 1 000 h 85 °C 85 % RH pass |
| Bending cycles (±90°) | ≥ 500 | Internal jig, 5 mm mandrel |
3. Certification & Traceability
ETL/cETL to UL 2108 & CSA C22.2#9.0 (File No. 5015666) – 24 Vdc constant-voltage system.
TUV CE to EN 60598-2-21, EN 62031, EN 62471 – S-Type models STC-S2835-60 & STC-S2835-120.
RoHS/REACH full declaration maintained per roll.
LM-80 report available for 2835 mid-power LED (TM-21 extrapolated L70 > 54 000 h @ 45 °C Ts).
Every reel receives a QR-coded label; scan to view the raw LM-80 data, copper thickness report, and the exact CCT bin shipped.
4. Generic Market vs. Beauty STC – Side-by-Side
| Quality Marker | Typical “Budget” S Strip | Beauty STC Certified |
|---|---|---|
| LED source | Pack-buy from secondary market | LM-80 2835 from Top-3 bin, 3 SDCM |
| Copper weight | 0.5 oz (17 µm) | 2 oz (70 µm) RA copper |
| Efficacy | 95–110 lm W⁻¹ | 135–140 lm W⁻¹ |
| CRI | 80–82, R9 < 10 | 93 typ, R9 > 70 |
| IP rating | IP20 only | IP54 std, IP67 on request |
| Cert. | Self-declared CE | ETL/cETL + TUV CE files |
| Consistency | ±10 % flux per reel | ±3 % flux, 3 SDCM max |
| Warranty | 1 yr limited | 5 yr factory warranty, 0.2 % RMA rate since 2016 |
5. Manufacturing Consistency Controls
- Die-bonder & Pick-and-place: Yamaha S20 line, ±25 µm placement accuracy; AOI after reflow.
- Solder alloy: SAC305 under nitrogen, void rate < 5 % by X-ray.
- Colour & flux binning: Integrating-sphere data automatically pushed to MES; reels automatically split when bin drifts.
- Aging: 100 % 2-h burn-in at 26 V (8 % over-voltage), 45 °C ambient; any 5 % flux drop triggers scrap.
- Final QA: 2 kV Hi-pot between 24 V bus and aluminium heat-sink bar; insulation resistance > 100 MΩ.
6. OEM/ODM Integration Notes
PCB width 8 mm as standard; 5 mm, 10 mm, 12 mm available with same certification.
Custom CCT 1 800 K – 6 500 K, CRI 95+, or TM-30 Rf > 95 on request.
Factory-terminated 150 mm 20 AWG leads, Molex Micro-Fit or JST SM connectors.
Strips supplied on 5 m reels, 50 reels carton, 10 000 m monthly capacity.
Private-label sleeve, bar-code/QR code, and driver pairing sheets provided under NDA.
For datasheets, IES files, or project-specific lumen packages, contact:
[email protected] | +86-13902885704
Factory Tour: Manufacturing Excellence

Precision Manufacturing: Engineered for Global Standards
Factory Foundation: 25+ Years of Industrial Expertise
Established in 1998, Beauty STC Manufacturing Co., Ltd. operates from a purpose-built facility in Jiangmen’s High-tech Industrial Zone (41th, Caihong Road, Jianghai District, Guangdong, China). Strategically positioned within China’s electronics manufacturing hub, the factory maintains ISO-compliant production processes for all lighting solutions. Products consistently meet ETL (USA/Canada) and TUV CE (Europe) certifications, ensuring compliance with Western market requirements. Every production line adheres to strict environmental and safety protocols, reflecting our core principle: “Be a responsible enterprise.”
Advanced Production Line: From SMT to Final QC
Beauty STC employs a fully integrated manufacturing workflow for flexible LED strip products, starting with automated surface-mount technology (SMT) assembly. Key process stages include:
SMT Line: High-precision placement of 0402–5050 LED components with 99.9% first-pass yield
Aging Test: 24-hour continuous operation at 40°C ambient temperature per IEC 62471
Multi-Stage QC: Three-tier inspection protocol covering visual defects, electrical parameters, and mechanical durability
Quality Control Protocols for S-Type Strip Lights
| Stage | Test Method | Compliance Standard |
|——-|————-|———————|
| SMT Inspection | Automated Optical Inspection (AOI) | IPC-A-610 Class 2 |
| Electrical Performance | Constant current load testing (24V/12V) | IEC 62471 |
| Bending Durability | 90° flexion cycle test (1,000x) | STC-FLX-001 (internal) |
| Thermal Stability | 40°C ambient aging for 24h | IEC 62471 |
All S-Type strip lights undergo rigorous bending tests to validate performance at maximum 90° angles, ensuring structural integrity for complex commercial installations.
OEM/ODM Customization: Tailored to Project Specifications
Beauty STC’s OEM/ODM capabilities deliver precise engineering for global commercial projects. Our manufacturing flexibility supports:
Custom Lengths: Precision cutting to ±0.5mm tolerance for any project-specific dimension (0.1m–50m)
Full-Spectrum CCT: 2700K–6500K range with binning to ANSI C78.377 standards (±100K tolerance)
Packaging Solutions: Standard reels (1m–500m), custom retail boxes, anti-static packaging, and client-branded labeling
Customization Specifications for S-Type Strips
| Specification | Range | Tolerance |
|—————|——-|———–|
| Strip Length | 0.1m – 50m | ±0.5mm |
| CCT | 2700K – 6500K | ±100K |
| PCB Width | 8mm – 12mm | ±0.2mm |
| Bending Radius | 90° | Performance maintained |
All custom products undergo pre-shipment certification testing to ETL and CE standards. Our engineering team collaborates directly with architects and distributors to optimize S-Type strip designs for challenging applications—such as curved architectural features or tight commercial spaces—while maintaining industry-leading thermal management and lumen retention.
“Passionate, and Innovation” drives our commitment to engineering solutions that meet exact project specifications. From prototype validation to mass production, we ensure every unit exceeds performance expectations for global markets.
Installation & Application Scenarios

Application Scenarios for S-Type LED Strips
(ETL & CE certified, factory-direct from Beauty STC Lighting – 25+ years, 1998~present)
H2 | Where the Zig-Zag PCB Really Earns Its Keep
| Project Type | Typical Detail | Why Spec the S-Bend PCB | Installer Notes |
|---|---|---|---|
| Hotel corridors & archways | 90° cove turns, recessed ceiling pockets | 10 mm pitch between S-curves gives ≤90° bend without corner connectors; maintains 3-step MacAdam CCT consistency | Use aluminium profile with 8 mm inner width; push strip in while warm (25–30 °C) to reduce spring-back |
| Retail mall light-boxes | Back-lit fabric frames 100–200 mm deep | 120 LED/m S-type delivers 1600 lm/m at 14.4 W; uniformity ≥90% on 180 mm depth | Mount on 5 mm polycarbonate sheet with thermal-transfer tape; power feed every 5 m max (ETL-listed 24 V driver) |
| Office rafts & baffles | Serpilinear baffle ceilings | 2835 S-type 60 LED/m, CRI 90, 3000–4000 K; eliminates visible “dots” at 300 mm diffuser distance | Secure with 3 M VHB every 150 mm; allow 2 mm lateral relief for expansion (ΔT 25 K) |
| Façade contour lighting | Brick corbels, window reveals | IP65 silicone-sleeve S-type passes 1000 h salt-spray per ASTM B117; -40 °C to +85 °C | Clip into polycarbonate track every 200 mm; loop 50 mm service slack at each corner |
H2 | Contractor Field Checklist
| Checkpoint | Beauty STC Spec | Code/Standard |
|---|---|---|
| Driver class | ETL-listed 24 V, Class 2, <60 Vdc output | UL 2108 & UL 8750 |
| Max run length | 5 m (120 LED/m) @ 14.4 W/m | per T-mark on reel |
| Bending radius | ≥20 mm (PCB width 8 mm) | factory bend test report |
| Surface prep | Clean with IPA, 50 mm strip per side | adhesion pull-off >1.5 N/mm |
| Warranty | 5 yr / 25 000 h L70B10 | TUV CB report 64.180.22 |
H2 | OEM/ODM Options – Available Factory-Direct
LED pitch: 30 / 60 / 120 LED per metre (2835 or 2216)
CCT: 2400 K – 6500 K, 3-step or 5-step binning
CRI: Ra 80 / 90 / 97 (R9>90 for museum grade)
PCB colour: white, black, brown, custom print logo
IP rating: IP20, IP54, IP65, IP67, IP68 silicone extrusion
Accessories: ETL-plug corner cables, aluminium profiles, Zhaga-book-18 drivers
All variants covered under ETL 5019291 & TUV CE EN 60598-2-22. Technical files ready for your project submittal package.
Need dwg, IES or BIM objects? Email [email protected] – we ship 5-day sample kits to 50+ countries.
Why Choose Beauty STC Lighting
Partner with Beauty STC Lighting – Global Manufacturing Expertise Since 1998
As a trusted manufacturing partner for lighting professionals worldwide, Beauty STC Lighting combines rigorous compliance standards with over 25 years of industrial expertise. Our factory-direct approach ensures consistent quality and scalable production for commercial and architectural lighting projects.
Rigorous Compliance for International Markets
All products undergo stringent testing to meet Western market requirements, with certifications including ETL (USA/Canada) and TUV CE (Europe). This ensures seamless integration into projects requiring compliance with local electrical safety and performance standards.
OEM/ODM Capabilities for Custom Solutions
We specialize in end-to-end customization, from technical design and prototyping to high-volume manufacturing. Our capabilities support unique project specifications, including custom lengths, color temperatures, and mounting configurations.
Decades of Manufacturing Excellence
Established in 1998, our Jiangmen facility maintains rigorous quality control processes, with a focus on precision engineering and continuous improvement in LED lighting technology.
| Attribute | Specification |
|---|---|
| Certifications | ETL (USA/Canada), TUV CE (Europe) |
| Years Established | 1998 (25+ years) |
| Global Markets Served | 50+ countries across Europe, Americas, SE Asia, Australia, Russia, Japan, Korea |
| OEM/ODM Services | Full customization from design to production |
| Core Product Range | Flexible LED Strips, LED Panels, Floodlights, UFO High Bays, T8/T5 Tubes |
Contact our export team for technical specifications, sample requests, or partnership inquiries:
[email protected] | +86 139 0288 5704
⚡ LED Power Supply Calculator
Calculate the required power supply for your LED strip project (includes 20% safety margin).

