Osram FO25/841/ECO T8 Fluorescent Lamp 25W 4100K 36 Inch

Product Description

The OSRAM FO25/841/ECO is a 25-watt T8 fluorescent lamp built on the Octron 800 Rare Earth Phosphor platform for energy-efficient linear lighting. It operates as an instant-start or programmed rapid-start type and delivers an initial output of 2150 lumens at 25 degrees C with a mean output of 1975 lumens at 25 and 35 degrees C. The lamp produces a 4100K cool white color temperature with a Color Rendering Index of 82, offering improved color rendering and lumen maintenance compared to 700-series lamps. Rated at 30000 hours of service life, it is a fit for commercial and residential applications where long-interval relamping is a priority. It is installed by licensed electricians and qualified lighting maintenance technicians.

The FO25/841/ECO is designed for use in cove lighting, recessed troffer fixtures, strip light fixtures, and valance applications. Its 36-inch nominal length fits standard T8 linear fluorescent housings. The lamp is compatible with OSRAM QUICKTRONIC electronic ballasts and the QUICK 60+ system. It meets ANSI C78.81 and TCLP standards and carries Lead-Free and RoHS compliance, making it suitable for projects with environmental material restrictions. Country of origin is listed as multiple.

Key Features

• 25-watt energy-efficient T8 lamp with 30000-hour rated life
• Initial output of 2150 lumens and mean output of 1975 lumens at rated conditions
• 4100K cool white color temperature with CRI 82 for improved color rendering
• Octron 800 Rare Earth Phosphor construction for improved lumen maintenance over 700-series lamps
• Compatible with OSRAM QUICKTRONIC electronic ballasts and QUICK 60+ system
• Lead-Free and RoHS compliant; meets ANSI C78.81 and TCLP standards

Compatibility

Compatible with OSRAM QUICKTRONIC electronic ballasts and the QUICK 60+ system. Suitable for cove, recessed troffer, strip light fixture, and valance applications using standard T8 36-inch linear fluorescent housings. Meets ANSI C78.81 applicable standard.

Installation Notes

Installation should be performed by a licensed electrician or qualified lighting maintenance technician. De-energize the fixture at the circuit breaker and verify absence of voltage before handling or replacing the lamp. Ensure the ballast is rated for instant-start or programmed rapid-start T8 lamps before installation. Handle the glass envelope with care to avoid damage that could affect lamp performance or safety.

Technical Specifications

• Wattage: 25 watts
• Initial Lumens: 2150 lumens at 25 degrees C
• Mean Lumens: 1975 lumens at 25 and 35 degrees C
• Color Temperature: 4100K
• Color Rendering Index: 82
• Rated Life: 30000 hours
• Shape: T8
• Base Type: Medium Bi-Pin
• Nominal Length: 36 inches
• Overall Diameter: 1.098 inches
• Overall Length: 35.748 inches
• Material: Glass
• Start Type: Instant Start and Programmed Rapid Start
• Applicable Standards: ANSI C78.81, TCLP
• Compliance: Lead-Free, RoHS
• Standard Package: 1 per pack, 30 per case
• Country of Origin: Multiple

Standard Information

• Brand: OSRAM
• Manufacturer Part Number: FO25/841/ECO