A vaporizer consists of several parts, including the coil. Professionals often say, “the coil is the heart of the vaporizer. If it is defective, you won’t have any vapor.” Why is this necessary? What role does this component play in the electronic cigarette? How does it work to fulfill its role?
What is the coil of an electronic cigarette made of?
The coil is a metallic spare part resembling a small silver tube that screws inside the vaporizer. Its lifespan is not unlimited, so you need to replace it regularly. Several platforms, including WebHebdo magazine, offer tips to guide you when changing your coil.
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One or more wires are arranged inside the coil. These are resistive wires. They are wound in a way that takes the shape of a corkscrew or a coil. They can also, in some cases, be assembled in a grid form.
The resistive wires are wrapped around an absorbent wick usually made of cotton. For the system to function properly, this wick is constantly soaked with e-liquid.
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What is the purpose of the coil in a vaporizer?
The main function of the coil is to heat the e-liquid to lead to its evaporation. The principle is that the electrical energy generated by the vaporizer’s battery is transformed into thermal energy. This is how a cloud of vapor is created. That’s why without the coil, the vaporizer cannot function.
Vaporizing the e-liquid is the primary function of the coil, but it also helps ensure a good rendering of the flavors and vapor.
How does it work?
For the coil to perform its role well, it must first receive electrical current generated by the battery. When you press the fire button on your vaporizer, the battery is activated. An electrical current is then released and passes through the system.
This current will travel through the elements of the circuit to reach the coil. The resistive wires will then slow down the passage of the current. This slowing will cause a loss of energy that will then be transformed into thermal energy; this is the Joule effect.
Moreover, the heat created will pass through the wick located in the coil to heat the e-liquid. Since it is primarily composed of a mixture of glycol and vegetable glycerin, it will form a cloud of vapor above 60 °C. This vapor rises through a conduit to reach the mouthpiece, from which you simply need to draw for inhalation.
How long can you use an e-cigarette coil?
As you use your vaporizer, the wick inside the coil disintegrates. Additionally, burnt residues of e-liquid also settle in your coil. Therefore, you will need to replace the part.
Typically, an e-cigarette coil can last 15 to 20 days. However, its exact lifespan depends on how you use the vaporizer and also on the composition of your e-liquid.