McMaster-Carr logo
    Filter by
    Bulb Base Type
    Bayonet Base Size
    Light Bulb Contact Type
    Light Technology
    Bulb Material
    Beam Angle
    Industrial Info Snippet
    Attribute Image
    Bulb Base Number
    Beam Spread
    Bulb Shape Number
    Base Diameter
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Material
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Industrial Info Compare
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    Help me decide (beta)
    7 Products
    About Brightness and Light Appearance
    industrial info icon

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

    Dual-Filament Bayonet-Base Miniature Light Bulbs

    Image of Product. Front View. Front orientation. Light Bulbs. Dual-Filament Bayonet-Base Miniature Light Bulbs.
    Image of Product. Side View. Side1 orientation. Light Bulbs. Dual-Filament Bayonet-Base Miniature Light Bulbs.

    Front

    View

    Side View

    Often used in taillights and brake lights. These bulbs have two filaments that operate at different brightness levels, with the second filament shining brighter when activated. Pins on either side of the base lock these bulbs into sockets. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
    Light
    Bulb
    Bulb Trade
    No.
    Voltage
    Wattage
    Brightness
    Tech.
    Intensity
    Setting
    Rated
    Life
    Color
    Overall
    Lg.
    Dia.
    Material
    Shape
    No.
    Pkg.
    Qty.
    Pkg.
    Double Contact—BA15d Small Base (0.59" Dia.)
     
    Tapered Bulb
    11586.4V AC
    6.4V DC
    7V AC
    7V DC    		5.25 W
    16.83 W    		38 lm
    264 lm    		Incandescent2 Way1,000 hr.
    200 hr.    		Clear2"1"GlassS8109527T10700000
     

    Bayonet-Base Miniature Light Bulbs

    Image of Product. Front orientation. Light Bulbs. Bayonet-Base Miniature Light Bulbs, Tubular Bulb.
    Image of Product. Front orientation. Light Bulbs. Bayonet-Base Miniature Light Bulbs, Globe Bulb.

    Tubular

    Bulb

    Globe

    Bulb

    Image of Specification. Miniature Bayonet Base. Front orientation. Contains Annotated. Miniature Bayonet Base. Bayonet-Base Miniature Light Bulbs.

    Miniature

    Bayonet

    Base

    Image of Specification. Small Bayonet Base. Front orientation. Contains Annotated. Small Bayonet Base. Bayonet-Base Miniature Light Bulbs.

    Small

    Bayonet Base

    Replace bulbs in tight spaces, such as those in indicators and vehicle lights. Pins on either side of the base lock these bulbs into sockets.
    LED—Last longer and are more efficient than other technologies.
    Plastic Bulb—Plastic-coated glass and plastic bulbs are more shatter-resistant than glass.
    Bulb
    Bulb Trade No.
    Voltage
    Wattage
    Light
    Technology
    Rated Life
    Overall
    Lg.
    Dia.
    Material
    Shape
    No.
    Choose a
    Color
    Pkg.
    Qty.
    Pkg.
    Single Contact—BA9s Miniature Base (0.36" Dia.)
     
    Tubular Bulb
    44, 47, 1847, 18666V AC/7V AC/6V DC/7V DC0.19 WLED100,000 hr.1.12"0.39"PlasticT3 1/4Clear, Red16570T93000000
    18887V AC/7V DC3.5 WIncandescentNot Rated1.19"0.41"GlassT3 1/4Clear109527T1880000
     
    Globe Bulb
    557V AC/7V DC2.9 WIncandescentNot Rated1.07"0.56"GlassG4 1/2Clear101505K130000
     
    Single Contact—BA15s Small Base (0.59" Dia.)
     
    Globe Bulb
    637V AC/7V DC4.4 WIncandescentNot Rated1.44"3/4"GlassG6Clear109527T060000
     
    Double Contact—BA15d Small Base (0.59" Dia.)
     
    Globe Bulb
    647V AC/7V DC4.4 WIncandescentNot Rated1.44"3/4"GlassG6Clear101505K3580000
     

    Index-Base Miniature Light Bulbs

    Image of Product. Side View. Side1 orientation. ZoomedIn view. Contains Border. Light Bulbs. Index-Base Miniature Light Bulbs.
    Image of Product. Tapered Bulb (Front View). Front orientation. Light Bulbs. Index-Base Miniature Light Bulbs, Tapered Bulb.

    Side View

    Tapered

    Bulb

    (Front

    View)

    Often used in taillights, brake lights, indicators, and other vehicle lights. These bulbs have two filaments that operate at different brightness levels, with the second filament shining brighter when activated. They lock into sockets in tight spaces with offset pins on the base; one pin is slightly higher on the base than the other pin. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
    Light
    Bulb
    Bulb Trade
    No.
    Voltage
    Wattage
    Brightness
    Tech.
    Intensity
    Setting
    Rated
    Life
    Color
    Overall
    Lg.
    Dia.
    Material
    Shape
    No.
    Pkg.
    Qty.
    Pkg.
    Double Contact—BAY15d (0.6" Dia.)
     
    Tapered Bulb
    11546.3V AC
    6.3V DC
    7V AC
    7V DC    		5.25 W
    16.57 W    		38 lm
    264 lm    		Incandescent2 Way1,000 hr.
    200 hr.    		Clear2"1"GlassS8109527T10300000
     
    back to top