Specification Sheet
9/5/2013
FB25T8/841/ES/ECO
Project:
A B
T8 U-Bent Linear Fluorescent Lamp
25 Watt / 85 CRI / 4100K
ENERGY SAVING
Ordering Information
Howard Catalog Number (Ordering Code) FB25T8/841/ES/ECO
UPC Code 02927
Description
Package Quantity 20
Physical Characteristics
Base Medium Bipin
Bulb Type T8 (8/8 inch)
Bulb Description Tubular Fluorescent Lamp
Base face to base face (A) (in) 23
Base face to end of opposite base pin (B) (in) 23
End of base pin to end of the opposite pin
end (C) (in)
Operating Characteristics
Nominal Wattage 25
C
Approximate Initial Lumen (lm) 2400
Approximate Mean Lumen (lm) 2260
Average Rated Life (hours) 24000
Color Temperature (K) 4100
Color Rendering Index (CRI) 85
Catalog#:
Approved by:
T8 U-Shaped, 6” Spacing, Low
Mercury Linear Fluorescent
6
1.0
0.8
0.6
0.4
0.2
0.0
Relative Power
400 450 500
550 600 650 700
Wavelength / nm
E
This lamp meets
Federal Minimum
Efficiency standards.
Note: Lamps may operate on suitable energy saving 25W ballasts or instant start 32W electronic ballasts with a minimum
starting voltage of 550V rms & anti-striation circuitry. Recommended for use above 60°F ambient temperature. Not
recommended to be used on dimming ballasts or inverter operated emergency lighting systems unless equipment is
specically listed for 25 watt lamps. Rated lamp life is 24,000 based on 3 hours per start and 30,000 based on 12 hours
per start.
Specifications subject to change without notice.
Howard Lighting Products | 580 Eastview Drive | Laurel, MS 39443
(toll free) 800.956.3456 | (direct) 601.422.0033 | (fax) 601.422.1652
www.HowardLightingProducts.com
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