S11 Light Bulbs | McMaster-Carr

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18 Products

About Brightness and Light Appearance

Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

Bayonet Base Miniature Light Bulbs

Single-Contact Base with Tapered Bulb

Double-Contact Base with Tapered Bulb

Small

Pins on either side of the base lock these bulbs into sockets. These bulbs are sized to fit tight spaces such as indicators and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

Incandescent bulbs are traditional light bulbs.

Single Contact—Small Base (0.59" Base Dia.)
Bulb Trade Number	Voltage	Wattage	Current	Light Technology	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Color	Pkg. Qty.		Pkg.
Tapered Bulb
309	28V AC/28V DC	25.2W	0.9A	Incand.	Not Rated	1.38"	2.38"	Clear	10	9527T123	000000
311	28V AC/28V DC	36.1W	1.29A	Incand.	Not Rated	1.38"	2.38"	Clear	1	1505K383	0000
1723	6.2V AC/6.2V DC	27.9W	4.5A	Incand.	Not Rated	1.38"	2.38"	Clear	1	9527T121	0000
Double Contact—Small Base (0.59" Base Dia.)
Tapered Bulb
310	28V AC/28V DC	25.2W	0.9A	Incand.	Not Rated	1.38"	2.38"	Clear	10	9527T124	00000
312	28V AC/28V DC	36.1W	1.29A	Incand.	Not Rated	1.38"	2.38"	Clear	1	1505K45	0000
1724	6.2V AC/6.2V DC	27.9W	4.5A	Incand.	Not Rated	1.38"	2.38"	Clear	10	9527T122	00000

Screw-In Base Light Bulbs

Globe

Your go-to bulbs for everyday use in standard sockets.

Use the light appearance to match older bulbs in your facility. A 2,700K (warm) light appearance resembles incandescent bulbs.

Plastic bulbs are shatterproof.

Globe Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
Equiv. Incand. Bulb Wattage	Bulb Shape No.	Color	Light Appearance	Light Setting	CRI	Brightness, lumens	Light Technology	Bulb Material	Wattage	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Pkg. Qty.		Pkg.
120V AC
8W	S11	Frosted	Warm (2,700K)	Dimmable	90	30	LED	Plastic	.6W	15,000	1 3/8"	2 1/4"	1	9236N144	00000
8W	S11	Frosted	Warm (2,700K)	Dimmable	90	30	LED	Plastic	.6W	15,000	1 3/8"	2 1/4"	24	9236N145	00000
8W	S11	Clear	Warm (2,700K)	Dimmable	90	30	LED	Plastic	.6W	15,000	1 3/8"	2 1/4"	1	1721K167	0000
8W	S11	Clear	Warm (2,700K)	Dimmable	90	30	LED	Plastic	.6W	15,000	1 3/8"	2 1/4"	24	1721K168	00000
Globe Bulb—Intermediate Base (11/16" Dia.)
120V AC
10W	S11	Clear	Warm (2,400K)	Dimmable	100	70	Incand.	Glass	10W	1,400	1 3/8"	2 3/8"	1	1317T16	0000
25W	S11	Clear	Warm (2,700K)	Not Dimmable	80	180	LED	Glass	2.5W	15,000	1 3/8"	2 5/16"	1	1721K169	0000
25W	S11	Clear	Warm (2,700K)	Not Dimmable	80	180	LED	Glass	2.5W	15,000	1 3/8"	2 5/16"	24	1721K171	00000
40W	S11	Frosted	Warm (2,400K)	Dimmable	100	435	Incand.	Glass	40W	525	1 3/8"	2 3/8"	1	1317T18	0000
Globe Bulb—Candelabra Base (1/2" Dia.)
120V AC
25W	S11	Clear	Warm (2,400K)	Dimmable	100	220	Incand.	Glass	25W	500	1 3/8"	2 1/4"	1	1317T11	0000
25W	S11	Clear	Warm (2,400K)	Dimmable	100	220	Incand.	Glass	25W	500	1 3/8"	2 1/4"	24	1317T31	00000

Bayonet Base Light Bulbs

Globe

Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

Double Contact—Small Base (0.59" Dia.)
Voltage	Wattage	Light Appearance	Brightness, lumens	Light Technology	Bulb Shape No.	Color	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Dia.	O'all Lg.	Pkg. Qty.		Pkg.
Globe Bulb
32V DC	30W	Not Rated	Not Rated	Incand.	S11	Clear	1,000	3.70	1 3/8"	2"	1	1317T13	00000
75V AC/75V DC	30W	Warm (2,400K)	300	Incand.	S11	Clear	2,000	3.70	1 3/8"	2.38"	1	1317T14	0000