G4 Base Light Bulbs | McMaster-Carr

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20 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.

Bi-Pin Base Miniature Light Bulbs

These bulbs are small, but very bright, so they're often used in flashlights and optical instruments such as projectors and microscopes. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

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

Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.

	Bulb Trade Number	Voltage	Wattage	Brightness, lumens	Current	Light Technology	Bulb Material	Color	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Bulb Shape No.	Pkg. Qty.		Pkg.
A	20T3/CL/24V	24V AC/24V DC	20W	260	0.83A	Halogen	Glass	Clear	2,000	0.38"	1 1/4"	T3	1	2288K111	000000
A	778	6V AC/6V DC	20W	400	3.33A	Halogen	Glass	Clear	100	0.37"	1.24"	T2 3/4	1	1997K38	0000
A	780	12V AC/12V DC	12W	275	0.83A	Halogen	Glass	Clear	50	0.37"	1.24"	T2 3/4	1	1997K37	0000
A	782	12V AC/12V DC	20W	310	1.57A	Halogen	Glass	Clear	2,000	0.37"	1.24"	T2 3/4	1	1997K36	0000
A	783	12V AC/12V DC	12W	275	1A	Halogen	Glass	Clear	50	0.37"	1.24"	T2 1/4	1	1997K35	0000
A	785	6V AC/6V DC	8W	160	1.83A	Halogen	Glass	Clear	50	0.37"	1.24"	T2 1/4	1	1997K33	0000
A	786	6V AC/6V DC	12W	235	2A	Halogen	Glass	Clear	50	0.37"	1.24"	T2 1/4	1	1997K32	0000
A	788	6V AC/6V DC	20W	400	3.33A	Halogen	Glass	Clear	100	0.37"	1.24"	T2 1/4	1	1997K31	0000
A	789	12V AC/12V DC	22W	275	1.17A	Halogen	Glass	Clear	200	0.37"	1.24"	T2 3/4	1	1997K29	0000
A	ESB, FHE, JC20	6V AC/6V DC	20W	450	Not Rated	Halogen	Glass	Clear	100	0.35"	1 3/16"	T3	1	1535K45	0000
B	__	12V DC	1W	100	0.14A	LED	Plastic	Frosted	15,000	5/8"	1 1/2"	T3	1	1997K211	0000

Bi-Pin Base Floodlight and Spotlight Bulbs

MR11

Often used in display and landscape lighting, these small bulbs produce a focused beam of light. Bulbs that are 50W or higher are often used in overhead projectors and microscopes. They’re brightest at the center of their beam angle; the edges of the beam are about half as bright. The narrower the beam, the more concentrated the light.

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

Small Pack
Equiv. Incand. Bulb Wattage	Base Number	Beam Angle	Light Appearance	Brightness, lumens	Bulb Trade Number	Light Setting	Light Technology	Bulb Material	CRI	Wattage	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Pkg. Qty.		Pkg.
MR11 Bulb
12V AC/12V DC
10W	G4	40°	Warm (3,000K)	80	FTD	Dimmable	Halogen	Glass	99	10W	3,000	1 3/8"	1 3/8"	1	8849N23	00000
10W	G4	40°	Warm (3,000K)	200	FTD	Dimmable	LED	Plastic	80	1.6W	25,000	1 5/16"	1 9/16"	1	8849N29	00000
Large Pack
MR11 Bulb
12V AC/12V DC
10W	G4	40°	Warm (3,000K)	80	FTD	Dimmable	Halogen	Glass	99	10W	3,000	1 3/8"	1 3/8"	24	8849N24	00000
10W	G4	40°	Warm (3,000K)	200	FTD	Dimmable	LED	Plastic	80	1.6W	25,000	1 5/16"	1 9/16"	20	8849N31	000000

Bi-Pin Base Vehicle Headlamp Light Bulbs

Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

Bulb Trade Number	Voltage	Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	Color	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Bulb Shape No.		Each
787	6V AC/6V DC	10W	Warm (2,650K)	200	Halogen	Not Dimmable	Glass	Clear	100	5/16"	1 1/4"	T2 1/4	9613T129	00000
891	12V AC/12V DC	8W	Warm (2,650K)	135	Halogen	Not Dimmable	Glass	Clear	500	3/8"	1 1/4"	T3	9613T143	0000
JC10	12V AC/12V DC	10W	Warm (2,650K)	115	Halogen	Not Dimmable	Glass	Clear	2,000	3/8"	1 1/4"	T3	9613T124	0000
JC20	12V AC/12V DC	20W	Warm (2,650K)	350	Halogen	Not Dimmable	Glass	Clear	1,000	3/8"	1 1/4"	T3	9613T125	0000
JCD	120V AC/120V DC	150W	Warm (2,900K)	3,000	Halogen	Not Dimmable	Glass	Clear	100	1/2"	2"	T4	9613T123	00000