23W Light Bulbs | McMaster-Carr

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About Brightness

About Light Appearance

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
1073	12.8V AC/12.8V DC	23W	1.8A	Incand.	Not Rated	1"	2"	Clear	10	0000000	00000
Double Contact—Small Base (0.59" Base Dia.)
Tapered Bulb
1076	12.8V AC/12.8V DC	23W	1.8A	Incand.	Not Rated	1"	2"	Clear	10	0000000	0000
1076IF	12.8V AC/12.8V DC	23W	1.8A	Incand.	Not Rated	1"	2"	Frosted	10	0000000	00000

Index Base Miniature Light Bulbs

Side View

Tapered (front view)

Offset pins on 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.

Bulbs have two filaments, which operate at two brightness levels. The first filament illuminates a light and the second emits a brighter light similar to a tail light and brake light.

Double-Contact Base (0.6" Dia.)
Bulb Trade Number	Voltage	Wattage	Brightness, lumens	Current	Light Technology	Light Setting	Bulb Material	Color	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Bulb Shape No.	Pkg. Qty.		Pkg.
Tapered Bulb
1034	12.8V AC 12.8V DC 14V AC 14V DC	8.59W 23W	38 402	0.59A 1.8A	Incand.	2 Way	Glass	Clear	200 5,000	1"	2"	S8	10	0000000	00000

Screw-In Base Light Bulbs

Standard

Spiral

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.

CFL (compact fluorescent) bulbs are more energy efficient and last longer than halogen bulbs. It takes several seconds for them to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).

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.
120V AC
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	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	__	12	0000000	000000
Spiral Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
120V AC
100W	Daylight (6,500K)	1,450	CFL	Not Dimmable	__	Glass	Frosted	23W	10,000	2.77	Canada	1	0000000	0000

Screw-In Base Floodlight Bulbs

BR40

PAR38

Medium (Standard Household)

Often used in recessed can fixtures and track lighting, these bulbs produce a focused beam of light. 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 light 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.

BR and R bulbs have wide beam angles that create broad beams of light. Their length makes them good for use in large can fixtures.

PAR bulbs have narrow beam angles that provide more focused beams of light than other floodlights. A short length allows them to fit in small can fixtures without protruding.