Halogen Light Bulb Types That You Should Know

If you are looking for an old-school light bulb or getting that ancient light experience that you might have seen in movies, then halogen light bulb could be the best choice for you.

Not only will it give you that traditional feel, but you will also be able to save energy consumption. Incandescent light bulbs are pretty much costlier and consume around 30% more energy than halogen bulbs.

So, this shows your money will also be saved along with the power. What a great combination, right?

These bulbs are commonly used in garage, cabinet, etc. and they can be found in different shapes.

Following the article, you will get to know all the information regarding halogen light bulb types. Everything will be covered for your full understanding.

Read on to find out more.

What Is A Halogen Light Bulb, And How Does It Work?

From the name, you can easily decipher that this bulb operates with the help of halogen gas.

This kind of lamp has a filament surrounded by this gas. As the switch is turned on, the filament gets hotter, and there is a chemical reaction between the gas and the tungsten (evaporates from the filament) and due to that the bulb lights up.

The glass is very thick to enclose the gas safely and to avoid any permanent black mark due to the heat and the chemical reaction. 

Halogen Light Bulb Types

You will get to see various types of this bulb in the stores and all are made in different shapes: incandescent, halogenLED, and so forth. Below, you will get to know the different brands and their usages.

Halogen bulbs are not as great as LEDs, but they are certainly better than the traditional incandescent bulbs. In fact, they improved on incandescent bulbs.

However, even these bulb types have their own different types. Let’s take halogen light bulbs, for instance, and examine the different types of halogen bulbs.


The MR8s have the least size among halogen spot lights.

MR8s uses a 2-pin GU4 fitting. The GU4 fitting has 2 pins which are 4 mm apart. This fitting is used only by two types of bulbs: the MR8 and the MR11. The diameter of a MR8 is 25 mm.

If you are looking for a Halogen light bulb that will last you a long time? MR Halogen Light Bulbs are your best bet! With an average lifespan of 2000 hours, these bulbs will keep your displays shining brightly for months on end.

Plus, the lenses protect against UV radiation.  Choose from different beam spreads and wattages to find the perfect fit for your needs.

MR8s are mostly used in novelty lights. They are also used in the interior of low-voltage vehicles like buses, RVs, boats, and yachts.


The MR11 is also small, but not as small as the MR8. It’s a bright halogen bulb that uses a GU4 2-pin fitting, the same one used by the MR8.

As mentioned above, the GU4 fitting has 2 pins, 4 mm part. The diameter of a MR11 bulb is 35 mm.

Looking to save on your energy costs while still getting high-quality light? Look no further than the MR11 Halogen Light Bulb! This bulb uses just 20 watts of power while providing 220 lumens of brightness – that’s like replacing a 60-watt incandescent bulb with something that’s more efficient and lasts longer.

And because it’s a halogen bulb, you get all the benefits of excellent quality light with none of the mercury contamination. Plus, this bulb is dimmable so you can customize your lighting to fit your needs. Whether you need a new light for your landscape or want to spruce up your Christmas tree, the MR11 Halogen Light Bulb is perfect for the job

MR11s are used mostly for track and ceiling spot lighting.


The MR16 is halogen bulb most widely used. It uses a GU5.3 fitting that has 2 pins.

The GU5.3 fitting has 2 pins that are 5.3 mm apart. The fitting is used in MR16 spot lights.

MR6s have a diameter of 50 mm.

These bulbs are pretty good in use as recessed lighting in a continuous form. Like the track lighting already mentioned above, you can apply the same technique in the hollow portion of the ceiling. These are very much common in meeting rooms and other significant areas where there are a massive amount of people in a single place.

It's available in different beam spreads and wattages to meet your needs. Plus, it features full UV protection to keep your stuff looking its best. Don't miss out on this great product!

They are commonly used for track and ceiling spot lighting. This long-lasting bulb is also perfect for retail displays, showcases, and exhibits. Note that LED replacements are edging out the traditional halogen.


This is a high-voltage halogen spot light that is largely used in households. It uses a GU10 fitting that has 2 pins.

The GU10 fitting is a twist and lock affair. That means when you are replacing the bulb, you have to give it a twist. Note that halogen bulbs get extremely hot when they are turned on, so if you are replacing one, wait until it cools down.

The GU10 fitting has 2 pins that are 10 mm apart. The fitting is used only in the GU10 light bulb.

The GU10 bulb has a diameter measuring 50 mm. The bulb is mostly used for spot lighting in the home, and in track and rail lamps. It is also used in standing and ceiling lamps.


You can use it as your desk lamp, and the lights would get your job done very smoothly. If you prefer to install multiple views in the same area on your room or any other places, track lighting will be a great idea.


You can wire the electrical connection in a continuous direction in any position of your preferred choice. Fitting the lights and turning it on will illuminate the light in a constant manner. This lighting system will level up the beauty of your room or any place of its installation.

If you are interested in displaying only your family or personal picture in the wall, then accent lighting will fulfill your wish. You will see this kind of light in restaurants and also in different organizations. This kind of lighting system highlights beauty precisely so that it can draw the attention of everyone.


The PAR20 is a common household, screw base, high-voltage halogen spot light. It features a E26 – E27 spiral screw fitting. Handle this bulb with care as it will require a bit of a twist when you are replacing it.

The PAR20 screw fitting measures 26 – 27 mm in diameter and is used in a variety of light bulbs.

The diameter of the PAR20 bulb is 65 mm.

These halogen bulbs are RoHS and CE certified, meaning they're high quality and durable. They also have a 6000 hour lifespan, saving you money on frequent bulb replacement. Plus, with a 3000k brilliant warm white light, they create a cosy and relaxing atmosphere.

Installation is easy - these Par20 50w halogen bulb fit perfectly in any E26 medium Screw base sockets (26mm Diameter). So why wait? Order your pack of par20 halogen flood 50w bulbs today!

The bulb has wide use for home spot lighting. IT is also used in track and rail lamps, and in standing and ceiling lamps.


The PAR30 is the larger (than the PAR20) screw base household high-voltage halogen spot light. It too uses a E26 – E27 spiral screw fitting which necessitates twisting when you are replacing it.

The PAR30 screw fitting measures 26 – 27 mm in diameter. This screw fitting is used in a variety of light bulbs.

Looking for a quality light source that will make your living room, kitchen, or basement look its best?  Look no further than our PAR20 Halogen Light Bulb. This 75-watt bulb provides 1025 lumens of brightness in a soft white 2700K color, making it perfect for standard E26 medium base sockets.

It also comes with a short neck glass cover and is dimmable for your convenience. Whether you're looking to use it in recessed, track, accent, or landscape lighting, this halogen bulb is perfect for any application.

The PAR30 has a diameter of 95 mm. Like the PAR20, it is used for home spot lighting, standing and ceiling lamps, and track and rail lamps.

A 19

These bulbs are oval in shape, and you might have seen it in different areas starting from your childhood. Along with the lighting system in your wall, these bulbs are also very much in use when it comes to lamps.

If you prefer to use a lamp in any corner of your room to lighten up a small portion, A 19 will come in handy in this case. Along with that, these are also in use in multiple purposes.

T Type Halogen Bulbs

You can get halogen bulbs in a series of different sizes and shapes. They have a coding system which specifies a bulb’s diameter and whether or not the bulb features a built-in dichroic reflector.

T-shaped halogen light bulbs are tubular in shape. They are the most common halogen bulb shape. They do not have a perfectly cylindrical shape. Most of them have 2-pin bases with a variety of pin spacings and pin widths. They may also feature double-ended bases or common bases such as the medium screw base.

T type halogen bulbs feature the letter “T” to indicate their tubular shape, followed by a number which specifies the tube’s diameter.in eighths of an inch. For instance, a T3 bulb is a tubular halogen bulb which has a diameter measuring 3/8ths of an inch.

Other examples of common T type bulbs include T4, T6, T7, T8, and T10. T6 is a tubular halogen bulb with a diameter of 0.75 inches, or rather 6/8 of an inch.

T 10

These are one of the most common halogen bulbs of all time. This is very helpful in your daily needs in terms of lighting. The shape is nice and beautiful, and the lighting is top-notch.


You can use it as your desk lamp. The light illuminates brightly. If you prefer to work on your desk and make your whole room dark, T 10 bulbs will come in handy in this case. You also can use it as a light fixture on your wall.

Choose any place in your wall where you prefer to use the light. Drill the necessary areas then make electrical connections and finish it off with fitting the bulb in the socket and you are good to go.

Other bulb shapes are:

  • A: Standard
  • B: Bullet
  • C: Candle
  • F: Flare
  • G: Glove
  • R: Reflector
  • S: Sign

Benefits Of Halogen Light Bulb

  • Halogen light bulbs are much more efficient than incandescent bulbs as it saves energy and money.
  • The lights illuminated are soft.
  • The views spread out instantly with the time you turn on the switch and fades away the time you turn it off.
  • These bulbs are quite popular in automotive lighting (headlamps) and also in under cabinet lighting.

Drawbacks Of Halogen Light

  • The lifespan of these bulbs is shorter if you compare it with LED and CFL bulbs.
  • You can use these smoothly for less than two years whereas LED and CFL bulbs can be used for more than ten years.

Final Verdict

Have you ever wondered what codes like GU4, GU53. MR11, and so forth meant? Well, now you know. All these are different types of light bulbs. 

You can go for halogen light bulbs if you are looking for a replacement of incandescent bulbs. The performance and light illumination will satisfy your daily needs. 

As you have seen, different bulb types use different fittings and are ideal for different applications. Your electricity bill won't go down that much as the one happens in case of LED and CFL bulbs, but the quality of light won't let you down for sure.

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