What Is A Type A19 Light Bulb

A19 light bulb base.

What is a type a19 light bulb.

Not all e26 bulbs will be of a19. It has been used since the incandescent era and now cfl and led bulbs use the same term. A19 incandescent light bulb. Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80.

E26 medium screw b. A19 light bulb length. The term a19 is used to describe the shape and general dimensions of a bulb. From a distance there may not seem to be any differences between the a19 vs a21 bulb.

60 mm wide at its widest point and approximately 4 3 8 inches 110 mm in length. The name a19 consists of two parts. 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. In the us a19 bulbs must always have e26 type bases.

4 10 in base type. 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. That said all a19 bulbs have e26 bases so all a19 bulbs are the same as e26 bulbs. A19 and e26 refer to different things but in this case you will find that all a19 bulbs use e26 lamp bases.

To answer the question about whether a19 and e26 bulbs can be the same or not yes they can. Be aware however that the opposite does not hold true. Comparing the two types of bulbs means that you need to compare the a19 vs a21 bulb shape. However further examination of the bulbs will show you that there is a slight difference in the size of the bulb head.

However not all e26 bulbs are a19 bulbs.