McMaster-Carr logo
    Bayonet Base Size
    Bayonet Base Size
    MiniatureSmall
    Bulb Shape
    Bulb Shape
    TubularFlat
    Top
    Bulb Shape Number
    Bulb Shape Number
    T3 1/4
    T1 3/4
    T4 1/2
    S6
    T2
    T3
    T6
    T4
    Bulb Material
    Bulb Material
    Plastic
    Glass
    Plastic-Coated Glass
    Base Number
    Base Number
    BA9s
    BA15d
    5
    E11
    E12
    S5.7s
    3
    Resistor Required
    Resistor Required
    Yes
    No
    Contact Style
    Contact Style
    Single
    Double
    Beam Spread
    Beam Spread
    WideNarrow
    Sphere
    Base Diameter
    Base Diameter
    0.23"
    0.28"
    0.36"
    7/16"
    1/2"
    0.59"
    Rated Life @ 3 Hours per Day
    Rated Life @ 3 Hours per Day
    0.9 yrs.
    27.4 yrs.
    45.6 yrs.
    45.66 yrs.
    91.3 yrs.
    Maximum Temperature
    Maximum Temperature
    80° F
    120° F
    122° F
    140° F
    180° F
    Not Rated
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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    72 Products