Osram Dulux® S/E 5W 250lm Lumilux® Warm White Compact Fluorescent 2G7 4-Pin Single Twin Tube T4 Lamp

The Osram Dulux® S/E 5W/827 (4050300017570) Lamp is a premium, highly compact single-turn twin-tube fluorescent bulb engineered for shallow recessed downlights, creative architectural backlighting, hospitality task fixtures, low-profile corridor step lights, and decorative display cases. Delivering 250 lumens of welcoming 2700K Lumilux® Interna warm white illumination, this 5-watt specialty T4 tube features an advanced **4-pin 2G7 plug-in base**. Because it is engineered without an integrated starter mechanism, it relies entirely on modern high-frequency electronic control gear to support rapid, flicker-free ignition loops, extended lamp survival rates, and advanced dimming capabilities across an elite 80–89 CRI color rendering accuracy scale.

ADL Supply Expert Application & Replacement Guide

The Osram Dulux® S/E 5W single-turn pin-base lamp is an established architectural specialty standard specified heavily for high-density commercial office building corridors, creative departmental accent lighting, public luxury lounges, boutique retail displays, and high-end restaurant setups. Engineered with an extremely low-profile geometric configuration, this twin-tube component permits building designers to place energy-efficient lighting paths into space-constrained cavities where standard bulbs cannot fit, offering exceptional lumen maintenance over its service life cycle.

Critical 4-Pin 2G7 Electronic Ballast Requirements and Pin Alignment Controls: Plant engineers executing routine multi-tenant lighting maintenance must carefully inspect socket wire arrays prior to checkout: this Dulux® S/E module incorporates a 4-pin 2G7 plug-in base and requires an external high-frequency electronic ballast or battery-backed solar circuit to function. Unlike legacy 2-pin bulbs that use an internal mechanical starter capsule, this 4-pin version is completely open, relying entirely on the electronic control gear to safely supply a pre-heated ignition strike sequence.

Do not mistake this lamp for a standard 2-pin G23 base bulb. Forcing an electronic 4-pin lamp into a non-electronic 2-pin socket track will break the structural plastic indexing divider, shatter the lower T4 glass pinch points, or cause terminal circuit blowout due to mismatched starting pressures.

Detailed Product Specifications

• Brand Name: Osram (OSRAM Corporate Division / Ledvance Global Asset Group)
• Product Series Line: Dulux® S/E Single-Turn Twin Tube Compact Series
• Osram Factory Logistics Order Code EAN: 4050300017570
• Manufacturer Description Model: DULUX S/E 5W/827 2G7
• Core Technology Class: Compact Fluorescent (CFL) — Low-Pressure Gas-Discharge T4 Tube
• Primary Control Requirement: High-Frequency Electronic Ballast (Or dedicated solar inverter gear)
• Operational Power Draw: 5.0 Watts
• Nominal Arc Operating Voltage: Ballast Managed (Nominal 35V AC operating voltage across gas column)
• Continuous Operating Amperage Draw: 0.180 Amperes continuous line rating
• Initial Luminous Brightness: 250 Lumens (Post standard 100-hour seasoning burn at 25°C)
• Color Temperature Configuration: 2700K Warm White (827 Lumilux® Interna Premium Phosphor Blend)
• Color Rendering Index (CRI): 80–89 Ra (High-Fidelity Commercial Interior Index)
• Base Type Configuration: 2G7 Flat Plug-In Base (4 solid copper terminal prongs aligned linearly)
• Starter Capsule Integration: None — Requires external high-frequency preheating circuit
• Nominal Glass Shield Width: T4 Shape Profile (12mm actual outer glass cylinder diameter)
• Maximum Overall Length (MOL): 108mm (4.25" Inches total length from lower base face to upper curve apex)
• Rated Average Service Lifespan: 10,000 Hours (Based on standard electronic pre-heat cycles)
• Dimming Capabilities: Fully compatible with approved dimming electronic ballasts
• Chassis Burn Position Limit: Universal — Operates safely in any horizontal or vertical spatial orientation

Operation, Safety & Mounting Compliance

High-Frequency Electronic Signal Transformation

When driven by modern high-efficiency electronic control gears, this 4-pin compact lamp operates at frequencies exceeding 42 kHz, completely eliminating stroboscopic eye fatigue and rolling shadows in the workplace. This high-frequency operation enables the lamp to support deep dimming ranges, smooth start profiles, and advanced automated light sensor protocols without degrading the internal cathodes or reducing overall lifecycle expectations.

Low-Mercury Dosing and Safe Recycling Protocols

This compact lamp incorporates a micro-dosed chemical vapor volume of heavy-metal mercury to activate its gas-discharge pathway. While optimized to ensure clean lumen maintenance metrics and high energy efficiency, the presence of mercury means spent bulbs must be securely recycled through certified regional commercial electronic waste processing centers at their end-of-life cycle, rather than being discharged into municipal or residential landfills.

Commercial Equipment Industry Cross-References

This premium 4-pin 5W 2G7 compact bulb serves as an alternative or direct drop-in replacement for the following lines:

• Philips Lighting Match: PL-S 5W/827/4P / Master compact fluorescent series
• Sylvania Reference alternative: Dulux S/E 5W 827 / Order code equivalent
• GE Lighting Alternative: Biax S/E 5W 4-Pin Warm White / Catalog Code 21371

Bulk Commercial Lighting Supply & Project Support

ADL Supply handles volume distribution shipments, multi-pack logistics, and contractor project quotes for procurement teams, schools, and warehouse facilities nationwide.

For specialized contractor pricing tiers, job-site pallet deliveries, or comprehensive submittal documentation, contact our support team directly at 1-800-235-3489. We are your commercial supply partners as an authorized wholesale Lighting Distributor In Doral, Florida.