A21 Light Bulbs | McMaster-Carr

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	Voltage Voltage

	Base Type Base Type


Screw In	Twist and Lock

	Bulb Shape Bulb Shape

	Standard

	Screw-In Base Size Screw-In Base Size

	Medium (Standard Household)

	Light Technology Light Technology

Incandescent

LED

	Wattage Wattage

	Light Appearance Light Appearance

Warm

Cool

Neutral

	Light Setting Light Setting

Dimmable

Not Dimmable

3 Way

	Color Temperature Color Temperature

	Color Color

	Frosted

	Bulb Material Bulb Material

Glass

Plastic

	Base Number Base Number

E26

GU24

	Bulb Shape Number Bulb Shape Number	Show

A21

	Bulb Shape Number Bulb Shape Number	Hide

	Overall Length Overall Length

	Beam Spread Beam Spread


Sphere	Partial Sphere

	Brightness Brightness

Less than 10,000 lumens

	Bulb Diameter Bulb Diameter

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Beam Angle Beam Angle

	Rated Life Rated Life

1,000 hrs.

11,000 hrs.

25,000 hrs.

	Rated Life @ 3 Hours per Day Rated Life @ 3 Hours per Day

0.9 yrs.

10 yrs.

22.8 yrs.

	Estimated Yearly Energy Cost Estimated Yearly Energy Cost

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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18 Products

About Brightness

About Light Appearance

Standard

Medium (Standard Household)

Use these bulbs in standard sockets, panels, and appliances. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. Bulbs with a cool or daylight appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

LED bulbs last longer and are more efficient than other technologies. They generate little heat and withstand vibration. Plastic LED bulbs are shatterproof.

Incandescent bulbs are traditional light bulbs. Many have been phased out due to governmental energy requirements, but some are still available for special applications.

Bulbs that cannot be sold to the listed regions do not meet energy efficiency and/or mercury regulations.

Standard Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
Equiv. Incand. Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Shape No.	Bulb Material	Color	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
12V AC/12V DC
75W	Warm (2,850K)	1,420	Incand.	Dimmable	A21	Glass	Frosted	75W	1,000	9.10	CA, CO, NV, VT, WA	1	0000000	00000
120V AC
30W 70W 100W	Warm (2,700K)	500 1,050 1,600	LED	3 Way	A21	Plastic	Frosted	5W 10W 16W	25,000	0.60 1.20 1.93	__	1	0000000	00000
30W 70W 100W	Warm (2,700K)	500 1,050 1,600	LED	3 Way	A21	Plastic	Frosted	5W 10W 16W	25,000	0.60 1.20 1.93	__	12	0000000	000000
30W 70W 100W	Cool (5,000K)	500 1,050 1,600	LED	3 Way	A21	Plastic	Frosted	5W 10W 16W	25,000	0.60 1.20 1.93	__	1	0000000	00000
30W 70W 100W	Cool (5,000K)	500 1,050 1,600	LED	3 Way	A21	Plastic	Frosted	5W 10W 16W	25,000	0.60 1.20 1.93	__	12	0000000	000000
50W 100W 150W	Warm (2,700K)	800 1,600 2,200	LED	3 Way	A21	Plastic	Frosted	7W 15W 23W	25,000	0.84 1.81 2.53	__	1	0000000	00000
50W 100W 150W	Warm (2,700K)	800 1,600 2,200	LED	3 Way	A21	Plastic	Frosted	7W 15W 23W	25,000	0.84 1.81 2.53	__	12	0000000	000000
100W	Warm (2,700K)	1,600	LED	Dimmable	A21	Plastic	Frosted	17W	25,000	2.05	__	1	00000000	00000
100W	Warm (2,700K)	1,600	LED	Dimmable	A21	Plastic	Frosted	17W	25,000	2.05	__	12	00000000	000000
100W	Cool (5,000K)	1,600	LED	Not Dimmable	A21	Plastic	Frosted	17.7W	11,000	2.13	__	2	00000000	00000
100W	Cool (5,000K)	1,600	LED	Not Dimmable	A21	Plastic	Frosted	17.7W	11,000	2.13	__	6	00000000	00000
100W	Cool (5,000K)	1,600	LED	Dimmable	A21	Plastic	Frosted	17.5W	25,000	2.11	__	2	00000000	00000
100W	Cool (5,000K)	1,600	LED	Dimmable	A21	Plastic	Frosted	17.5W	25,000	2.11	__	12	00000000	000000
200W	Cool (5,000K)	3,050	LED	Not Dimmable	A21	Plastic	Frosted	25W	25,000	3.01	__	1	0000000	00000
120V AC/120V DC
100W	Neutral (3,000K)	1,600	LED	Dimmable	A21	Plastic	Frosted	17W	25,000	2.05	__	6	00000000	00000
														Each
120V AC/277V AC
125W	Warm (2,700K)	2,000	LED	Not Dimmable	A21	Glass	Frosted	20W	25,000	2.41	__	__	0000000	00000
														Pkg.
230V AC
100W	Warm (2,850K)	1,260	Incand.	Dimmable	A21	Glass	Frosted	100W	1,000	12.10	CA, CO, NV, VT, WA	1	0000000	0000

Twist-and-Lock Base Light Bulbs

Standard

Standard Bulb—GU24 Base
Equiv. Incand. Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Shape No.	Bulb Material	Color	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Dia.	O'all Lg.	Pkg. Qty.		Pkg.
120V AC
100W	Neutral (4,000K)	1,600	LED	Dimmable	A21	Plastic	Frosted	18W	25,000	2.17	2 5/8"	5 7/16"	1	0000000	000000

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About Brightness

About Light Appearance

Screw-In Base Light Bulbs

Twist-and-Lock Base Light Bulbs