SYLVANIA CF13DS850ECO | DULUX® S 13W 5000K Daylight 2-Pin Twin-Tube Compact Fluorescent Lamp

The Sylvania CF13DS850ECO (DULUX® S) is a commercial-grade, energy-saving **13W twin-tube compact fluorescent lamp (CFL)** engineered for retail showcases, corridor wall sconces, downlights, safety exit signs, and low-profile task luminaires. Outfitted with a standard **GX23 2-pin plug-in base** and a compact **T4 glass profile**, this high-performance lamp utilizes premium rare-earth phosphors to achieve an **82 CRI** color representation baseline while emitting a crisp, simulated **5000K Daylight** spectrum. Delivering **720 initial lumens** across a **10,000-hour rated service life**, this ECOLOGIC® certified module features an integrated internal starter capsule designed explicitly for legacy magnetic ballast infrastructures. Serving as a direct energy-efficient replacement for standard incandescent bulbs and older Sylvania part **#20309**, it reduces maintenance overhead and power consumption across public facilities and corporate workspaces.

Integrated Pre-Heat Glow Starter and Sustainable ECOLOGIC® Design

Sylvania DULUX® S compact fluorescent lamps compress high-efficiency gas-discharge technology into a space-saving, parallel twin-tube layout. Featuring a rugged **GX23 2-pin base mold**, this lamp houses an internal glow starter capsule and a radio-interference suppression capacitor. This mechanical configuration pre-heats the lamp cathodes smoothly during ignition, omitting the need for a secondary external starter mechanism. Engineered as part of the **ECOLOGIC® environmental series**, this lamp is designed to pass the EPA's strict Toxicity Characteristic Leaching Procedure (TCLP) test criteria for classification as non-hazardous waste in most jurisdictions. By lowering standard facility operational draws, it significantly curtails greenhouse gas and mercury emissions generated by commercial power grids compared to incandescent configurations.

• High-Efficiency Power Savings: Lowers active commercial power demand by up to 75% compared to incandescent bulbs matching the same lumen density baseline.
• True-to-Life Daylight Color rendering: Formulated with an **82 CRI** spectrum at **5000K Color Temperature**, rendering clean, sharp visibility ideal for detailed tasks and inspection lines.
• Universal Burning Angle Compatibility: Advanced gas-fill dynamics allow for seamless mounting at any orientation path, keeping arc strike behavior uniform inside recessed cans or wall scopes.
• Extended Lifespan Architecture: Features a **10,000-hour rated service timeline** evaluated under standard 3-hour switching patterns, significantly reducing facility maintenance cycles.

Comprehensive Technical Specifications

• Brand Name: Sylvania
• Product Family / Series: DULUX® S ECOLOGIC® Series
• Ordering Code / NAED: CF13DS850ECO (Direct Replacement for legacy SKU 20309)
• Technology Class: Compact Fluorescent (CFL) - Plug-In
• Ignition Ignition Protocol: Pre-Heat (Equipped with Integrated Internal Glow Starter)
• Bulb Shape Profile: T4 Twin-Tube Glass Layout (Parallel Dual-Tube Geometry)
• Nominal Wattage: 13W
• Base Type Configuration: GX23 (2-Pin Modular Interface with Rectangular Core Block)
• Circuit Ballast Compatibility: Magnetic Core-and-Coil Ballasts
• Initial Luminous Flux: 720 Lumens (Evaluated post standard 100-hour burn-in phase)
• Color Temperature: 5000K (Daylight Spectrum)
• Color Rendering Index (CRI): 82
• Average Rated Service Life: 10,000 Hours (Based on standardized 3-hour cycling thresholds)
• Maximum Overall Length (MOL): 7.1 Inches (180.3 mm)
• Compliance Classifications: TCLP Compliant (Non-Hazardous Waste Status in most states)

System Integration, Ballast Matching & Handling Safeguards

• Magnetic Circuit Compatibility Notice: This 2-pin GX23 plug-in lamp is engineered strictly to operate on compatible **magnetic core-and-coil ballasts**. It cannot interface directly with raw line voltage (120V or 277V) and is not compatible with high-frequency electronic ballasts or advanced dimming control circuits designed for 4-pin lamps. Sockets and replacement magnetic ballasts must match the 13W GX23 parameters exactly.
• Glass Maintenance & Handling Protocols: Always isolate primary facility power at the circuit breaker box before installing or replacing lamps. Allow the glass enclosure to cool for at least 10 minutes post-operation to avoid severe contact burns. Handle the tube by its plastic base housing; do not apply structural twisting pressure to the clear T4 glass cylinders to prevent fracture risks.
• Responsible Disposal & Mercury Management: While built to fulfill TCLP thresholds, these lamps contain trace amounts of mercury vapor essential for fluorescent excitation. Do not crush or discard spent modules into community waste bins. For safe commercial recycling protocols and regional compliance pathways, visit **www.lamprecycle.org**.

Recommended Professional & Commercial Applications

• Commercial Downlights & Recessed Cans: Well-suited for shallow ceiling luminaires inside retail storefronts, office entry spaces, and multi-unit complexes.
• Hospitality Wall Sconces: Perfect for decorative public walkway enclosures, hotel lobbies, and elevator banks requiring bright, clear daylight rendering.
• Task Stations & Showcases: Ideal choice for under-cabinet lighting networks, jewelry and apparel display cases, and industrial task lamps.