Osram LED Lamp Base: E27 Warm White 2700 K 2.50 W Replacement for 25 Retrofit CLASSIC ST

This Osram LED filament bulb is a clear-glass E27 lamp designed in a vintage Edison style. It operates at 220-240 V as a 4 W LED with 470 lumens and a warm white color temperature of 2700 K (colour code 827). The lamp carries the Retrofit Classic designation and features a classical filament appearance. It is energy efficient, providing a long lifespan with up to 15,000 hours and the ability to withstand up to 100,000 switching cycles. The device is mercury-free and offers low heat generation compared with traditional lamps. It is intended for decorative or general lighting use where an LED filament bulb is appropriate, delivering warm illumination without requiring warm-up time and with a high lumen-to-watt ratio of about 118 lm/W. Where applicable, it replaces traditional 25 W equivalents and is compatible with E27 sockets for easy replacement.

Technical specifications

• E27 LED filament bulb, 4 W
• 2700 K warm white, 470 lm
• 220-240 V AC
• Not dimmable, clear glass
• Retrofit CLASSIC ST, Edison shape
• Up to 15,000 h and 100,000 cycles

Not dimmable; outdoor use only in suitable lamps.