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75 Watt Incandescent Equivalent 18 Watt, Cold Cathode Coil Lamp

SKU: U3000513 | Ordering Code: CF18/CLT/2700/E26

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Product Details

Brand

Ushio

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
 
Energy Used
18 Watts

Volts

A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.
 
Volts
120

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
 
Bulb Shape
Coil

Base

The end (or ends) of the lamp that fits into the socket.
 
Base
Medium (E26)

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
 
Diameter (in)
2.8

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
 
Length (in)
4.9

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
 
Average Rated Life (hr)
25000

Brightness (Lumens)

A rating of the inital light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
 
Brightness (Lumens)
1050

CRI

Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.
 
CRI
82

Color Temperature (Kelvin)

An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).
 
Color Temperature (Kelvin)
2700K

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
 
Bulb Technology
CFL

Bulb Finish

The surface finish of a bulb, which may affect the quality of the light emitted.
 
Bulb Finish
Clear

Bulb Color

The color of the light produced by a bulb
 
Bulb Color
Warm White

Product Notes: Analog Dimming Systems Only. Dimming Range 100-30%

Description
 
Reviews
 
Q & A
SAVE ENERGY & MAINTENANCE COSTS! Ushio Cold Cathode, 18 Watt (75 Watt Incandescent Equivalent) Dimmable, Clear Coil Lamp with Medium Base and 2700K Warm White Color (dia 2.8", length 4.9"). Recommended for Indoor Use Only. Not To Be In Direct Contact With Water.

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1 Question | 1 Answer
Displaying question 1
  • Q:

    What is the minimum starting temperature for this bulb? Can it start at -30 F? If not, do you have a CFL that will?
    Asked on 1/2/2011 by Green Rancher from South Dakota

    1 answer

    • Staff Reviewer

      A:

      The minimum operating temperature for this bulb is -4° Fahrenheit. Most Compact Fluorescents have a minimum temperature of 5° Fahrenheit. We do not have any CFL bulb that is rated to -30° Fahrenheit. We can offer a Philips product EL/MDT 18W (non-dimmable) that has a minimum operating temperature of -22° Fahrenheit. This lamp can be found on our website using the following link. http://www.bulbs.com/Spirals_&_Bent_Tubes/results.aspx.
      Please note that while the bulb will ignite, light output will be dramatically reduced at these extreme low temperatures.

      Answered on 1/5/2011 by Product Support from Bulbs.com
Displaying question 1

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