What Is A Type A19 Light Bulb

The first letter and the two digit number.

What is a type a19 light bulb.

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. 4 10 in base type. Comparing the two types of bulbs means that you need to compare the a19 vs a21 bulb shape. A19 light bulb length.

That said all a19 bulbs have e26 bases so all a19 bulbs are the same as e26 bulbs. In the us a19 bulbs must always have e26 type bases. To answer the question about whether a19 and e26 bulbs can be the same or not yes they can. The term a19 is used to describe the shape and general dimensions of a bulb.

A19 bulbs always use e26 but not vice versa according to ansi standards a19 bulbs must always use an e26 base for mounting into a light fixture. Feit electric 60 watt equivalent a19 dimmable cec energy star 90 cri indoor outdoor led light bulb daylight 4 pack model om60dm 950ca 4 view the feit california compliant general purpose led bulbs. This is based on ansi standards imposed for bulb manufacturers in the us. It has been used since the incandescent era and now cfl and led bulbs use the same term.

Not all e26 bulbs will be of a19. However further examination of the bulbs will show you that there is a slight difference in the size of the bulb head. The name a19 consists of two parts. E26 medium screw b.

60 mm wide at its widest point and approximately 4 3 8 inches 110 mm in length. Be aware however that the opposite does not hold true. Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80. From a distance there may not seem to be any differences between the a19 vs a21 bulb.

A19 light bulb base.