It has been used since the era of incandescent light bulbs and now cfl and led light bulbs continue to use the same term.
What is a19 led light bulb.
40 60 100 watt equivalent a19 3 way and energy star led light bulb in bright white 4000k 10 pack model ea19 14w2140et 39 90 package 39 90 package free delivery.
Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80.
Buy long lasting energy efficient led bulbs for your home.
The most commonly used a series light bulb type is an a19 bulb or its metric iec equivalent the a60 bulb which is 19 8 in 2 3 8 in.
The term a19 is used to describe the overall shape and dimensions of a light bulb.
Light color or color temperature is measured using the kelvin scale.
The bulb is designed for indoor use and features an a line shape and medium base.
This ecosmart a19 light bulb s estimated energy cost this ecosmart a19 light bulb s estimated energy cost is usd 1 08 per year.
60 mm wide at its widest point and approximately 4 3 8 inches 110 mm in length.
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So the light bulb that most of us have used in our homes here in the states is an a19 bulb with an e26 base.
The a19 has a diameter of 2 375 inches and a height of 4 13 inches.
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The a refers to the overall shape of the bulb.
Led bulbs buying guide.
From a distance there may not seem to be any differences between the a19 vs a21 bulb.
Leds are available in warm colors low k to match the yellowish light of incandescent bulbs but you can also choose cooler colors high k with whiter or bluer light.
We previously recommended philips s basic dimmable bulbs the 60 w equivalent a19 led with warm glow and the 60 w equivalent a19 dimmable energy saving led light bulb daylight as well as the.
The reason it s useful to know both the shape and base is because you can t just ask for one of these and get the bulb you re looking for.
The lifetime of the bulb is a long 11000h.
The name a19 consists of two parts the first letter and the two digit number.
A19 bulbs were originally manufactured using incandescent technology but are now available as energy efficient led alternatives.
You can find led bulbs that fit that description here or other types of bulbs here.
The a19 a21 bulb dimensions are as follows.
These led a19 bulbs are designed as a direct replacement for your existing incandescent light bulbs while consuming significantly less power.