
What is the difference between a PAR16 and MR16 bulb?
The lengths of a PAR16 bulb and a MR16 GU10 fixture, however, are different. The MR16 GU10 fixture 2.10 inches long whereas a PAR16 lamp is 3.15 inches long. In short, a PAR16 lamp will fit in a MR16 GU10 fixture but part of the bulb will be exposed.
What is the difference between an MR11 and an MR16?
The differences between the two are slim however, notable. Here are some of the most common differences. The size of each MR bulb is indicated in the name itself, with the number at the end of the bulb's name standing for how many eighths of an inch wide the bulb measures. For example, the MR11 is 11/8 inches, while the MR16 is 16/8 inches wide.
What is the difference between GU10 and MR16 light bulbs?
On the other hand, GU10 based bulbs can simply be plugged in and are ready for action. Some MR16 bulbs also come with other pin bases such as GU5.3. As far as MR16 vs. PAR16, the main difference is the size, variety, and heat.
What are the advantages of MR16 lamps?
MR16 lamps have several advantages over other reflectorized lamps such as standard incandescent reflector ( R) lamps, parabolic aluminized reflector ( PAR) lamps, and reflector compact fluorescent lamps ( CFLs ). These advantages are their small size, color properties, and beam control. MR16 lamps are small.

Is PAR16 and MR16 the same?
The lengths of a PAR16 bulb and a MR16 GU10 fixture, however, are different. The MR16 GU10 fixture 2.10 inches long whereas a PAR16 lamp is 3.15 inches long. In short, a PAR16 lamp will fit in a MR16 GU10 fixture but part of the bulb will be exposed.
What does PAR16 mean on a light bulb?
The number on a LED PAR Bulb refers to the diameter of the lamp (not the base size) measured in terms by eighths of an inch. The PAR number can be easily converted to inches by multiplying the PAR number x 1/8 (0.125). A PAR16 bulb, for example, has a diameter of 16/8ths or 2 inches.
What does Mr stand for in MR16?
The “M R” of “MR16” stands for multifaceted reflector, which is what controls the direction and spread of light cast from a MR16 lamp. MR16 light bulbs provide precise center beam intensity and beam control.
Can I use GU10 instead of MR16?
If it is a GU10, you can simply replace it with a LED GU10 equivalent. However, if this is an MR16 then we strongly advise you make the switch over to GU10. This is for two reasons: It will give you more choice in your lighting options, including smooth dimming.
Can I use PAR20 instead of PAR16?
While a PAR20 and a PAR16 Bulb can have the same base size, the dimension of the bulb is what differs. This is important when using existing fixtures because the fit might not be the same. The base type helps determine which light fixture your bulb will fit in.
Does MR16 LED need transformer?
MR16s run on low voltage which means they require a transformer. Most transformers installed to work with halogens have a minimum wattage of 25 watts. The LED equivalents are generally between 3-7 watts which means they won't always run on your current set up.
Are MR16 bulbs being phased out?
From 1 September 2016, PAR16 (ES50 GU10/E27), PAR20 (ES63 GU10/E27), PAR30, PAR38 R50, R63, R80, R90 and ES111 mains‐voltage Halogen lamps and low‐voltage directional Halogen lamps being phased out are MR11, AR111 and MR16 which do not comply to the new EU legislative requirements will no longer be placed on the EU ...
Can I replace halogen MR16 with LED MR16?
The LED MR16 lamp is a retrofit product, meaning that it is designed to replace a halogen MR16 lamp used in a luminaire such as a downlight using the existing transformer and dimmer (if installed).
Are there different types of MR16 bulbs?
There are two base types for MR16 light bulbs, the GU10 (twist), and the two pin GU5. 3 (push to fit). The GU5. 3 base commonly operates using 12 volts while the GU10 operates off 120 volts.
Why do MR16 LED lights flicker?
If your new MR16 LED lights are flickering or aren't coming on at all, it's probably because your transformers are incompatible. As mentioned earlier, you'll either need to change your transformers to LED compatible drivers, or switch out your MR16 fittings for GU10 ones.
Will MR16 LED work with halogen transformer?
MR16 LED light bulbs are compatible with 50W halogen downlight transformers, and many, such as the Phillips Master MR16, are fully dimmable. This means you can retrofit your MR16 globe to your old transformer – no replacement needed.
Can I replace a GU10 halogen with a GU10 LED?
Most non-dimmable GU10 Halogen bulbs can be easily replaced with an equivalent GU10 LED as electrical current conversion happens at the bulb.
What do letters on lightbulb mean?
The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is "A" type and the diameter would be 23/8". A 65BR40 is a 65 watt reflector 5" in diameter. © 2022 Bulbrite Industries, Inc.
What does 43w mean on a light bulb?
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value. 43 Watts. Volts.
What do lightbulb numbers mean?
Numbers in a bulb code indicate the size of the base, measured in millimeters or eighths of an inch, depending on the bulb. Take an A19, for example: letter 'A' indicates that the bulb comes in a standard household shape, and the '19' indicates that the base is 19/8ths inches in size.
What is an R 40 bulb?
R40 bulbs are a style of flood light bulb with a reflective coating on the inside of the bulb. Similar to other R-style bulbs, most R40 bulbs are frosted to create a softer light and reduce glare. Though they may vary slightly in size, most R40 bulbs have a diameter of approximately 5 inches.