Sylvania 21609 F15T8/D35 15W 18" T8 3500K Neutral White Fluorescent Lamp

Product Overview

Sylvania 21609 F15T8/D35 15W 18" T8 3500K Neutral White Fluorescent Lamp

The Sylvania 21609 (F15T8/D35) is a 15W 18" T8 fluorescent lamp on a Medium Bi-Pin (G13) base. Rated 3500K neutral white at 70 CRI, it delivers 940 initial lumens (845 mean).

Wattage

15W

18" T8

Color Temp

3500K

Neutral White

Lumens

940

Initial

CRI

Color Rendering

Rated Life

7,500

Hours

Technical Specifications

Item Number	21609
Ordering Abbreviation	F15T8/D35
Bulb Shape	T8
Base	Medium Bi-Pin (G13)
Wattage	15W
Nominal Length	18"
MOL (Maximum Overall Length)	17.78"
Color Temperature	3500K (Neutral White)
CRI	70
Initial Lumens	940 lm
Mean Lumens @ 25°C/77°F	845 lm
Average Rated Life	7,500 hours (3 hours per start)
Standard Package Quantity	24 per case

Product Overview

This Sylvania 15W 18" T8 fluorescent lamp uses a Medium Bi-Pin (G13) base. Initial output is 940 lumens, dropping to 845 mean lumens at 25°C/77°F. Specifications were taken from the Sylvania lighting catalog. For ballast/lamp compatibility, refer to the Sylvania QUICKTRONIC ballast guide.

Compatible Applications

Fixtures specified for a 15W 18" T8 lamp with a Medium Bi-Pin base
Direct replacement for the Sylvania 21609 (F15T8/D35)

Before Ordering – Verify

Confirm your ballast type is compatible with this lamp (see the Sylvania ballast guide)
Confirm 3500K color temperature matches the rest of your installation
Confirm lamp length (18") and base type match your fixture

Safety and Handling Guidelines

Always disconnect power before servicing or installing
Handle by the base/end caps; avoid flexing or striking the glass tube
Contains mercury – if broken, ventilate the area and follow EPA cleanup guidance
Dispose of / recycle in accordance with state and local mercury-lamp regulations; recycle per lamprecycle.org