Osram F8T5/CW-25/CS T5 Preheat Fluorescent Lamp 8W

Product Description

The OSRAM F8T5/CW-25/CS is an 8-watt T5 preheat fluorescent lamp designed for general-purpose commercial and residential lighting applications. Built in a tubular T5 form factor with a miniature bi-pin base, this lamp delivers 385 lumens at 25 degrees C with a cool white phosphor output rated at 4200 K and a color rendering index (CRI) of 60. The glass envelope measures 0.63 inches in diameter and 11.909 inches in length. With a rated lamp life of 7500 hours, it is suited for fixture replacement and maintenance work performed by electricians and lighting technicians.

This lamp is intended for use in preheat-start fluorescent fixtures requiring a T5 tube with a miniature bi-pin base. Typical applications include under-cabinet lighting, display case lighting, and small commercial or retail fixtures designed for this lamp format. The cool white color temperature makes it a common choice for task-oriented and general ambient lighting environments. Each unit is sold individually and is available in standard case quantities of 25.

Key Features

• 8-watt T5 preheat fluorescent lamp with cool white phosphor
• 385 lumens initial output at 25 degrees C
• 4200 K color temperature with CRI of 60
• Miniature bi-pin base for direct fixture compatibility
• Rated lamp life of 7500 hours
• Lead-free glass construction
• Nominal length of 12 inches; actual length 11.909 inches

Compatibility

Designed as a direct replacement for T5 preheat fluorescent lamps with a miniature bi-pin base in fixtures requiring an 8-watt, 12-inch nominal T5 lamp. Also referenced under catalog number 21366 and part number F8T5CW-25/CS.

Installation Notes

Installation should be performed by a qualified electrician or lighting technician in accordance with applicable NEC requirements. Disconnect and lock out power to the fixture before removing or installing the lamp. Preheat fixtures use a starter circuit — confirm the existing fixture and starter are compatible with a T5 preheat lamp before installation. Handle the glass envelope carefully to avoid breakage and contamination of the lamp phosphor coating.

Technical Specifications

• Wattage: 8 watts
• Initial Lumens: 385 lumens at 25 degrees C
• Color Temperature: 4200 K
• Color Rendering Index (CRI): 60
• Lamp Life: 7500 hours
• Shape: T5
• Base Type: Miniature Bi-Pin
• Lamp Type: Preheat
• Style: Cool White Phosphor
• Nominal Length: 12 inches
• Diameter: 0.63 inches
• Overall Length: 11.909 inches
• Material: Glass
• Package Quantity: 1 per pack, 25 per case
• Package Weight: 1.997 pounds
• Package Length: 12.441 inches
• Country of Origin: Multiple

Standard Information

• Brand: OSRAM
• Manufacturer Part Number: F8T5/CW-25/CS