Light Bulbs
LIGHT BULB COATINGS REVEALED
Most light bulbs are available with a variety of coatings, or, no coating at all. Clear bulbs are useful when a stark, intense luminance is desired. If clear incandescent and halogen bulbs are fully exposed, the human eye will see the illuminated tungsten filament directly. This is used to good effect in Edison-style historic reproduction and vintage bulbs.
Clear bulbs can create hard shadows that in most cases are not desirable. One solution is "inside frost," the most common bulb coating. It is applied to most bulb types and sizes to provide soft appearing illumination. Frost produces moderate diffusion of the light with almost no reduction in light output.
Some bulbs come with a white coating. Finely powdered white silica coats the inside of the bulb. The result is more diffuse light than inside frost, minimizing shadows with very little absorption of light.
So called "daylight" incandescent bulbs are coated with neodymium that gives a bluish appearance to the light. These bulbs are not true full-spectrum bulbs; rather, they give the appearance of daylight by filtering out the warmer wavelengths light.
Other specialty coatings, such as for shatter-resistance, are also available. If you have any special coating needs please call us.
CONFUSED BY LIGHT BULB DESCRIPTIONS?
Light bulb descriptions can seem arcane, but they tell a lot about the bulb before you ever read the fine print. Let's look at two examples. Many bulb descriptions include a letter followed by a number. A few examples: A19, BR30, PAR20, ED28, T8. The letters are a code for bulb shape (Bulged Reflector, etc) and the number is the diameter of the bulb, at the widest point, in 1/8 inch increments. To calculate the diameter in inches, simply divide the number by 8. Now look at a typical fluorescent bulb description: F32T8/841. Translation: F is fluorescent, 32 is watts, T is shape (tubular), 8 is diameter (1 inch) and 841 gives you both CRI and color temperature information. The first number tells you the color temperature range; in this case in the 80s. The second two numbers indicate color temperature, so 41 means 4100K.
1134 Bulb | 3.87 Amp, 6.2 Volt, 24 Watts, RP11, BA15D Base
This incandescent bulb with ANSI code 1134 uses 3.87 amps, 6.2 volts, and 24 watts. It has a RP11 lamp shape, and BA15D base. The 1134 bulb has an average rated life of 200 hours.
1142 Bulb 1.44 Watt Incandescent
This Eiko 1142 40178 bulb with ANSI code 1142 uses 20.48 watts and 12.8 volts. It has a BA15D base, and an average rated life of 1000 hours. It has a S8 lamp shape, and is an incandescent bulb.
1142 BULB.
1143 Bulb | 1.98 Amp, 12 Volt, 23.8 Watts, RP11, BA15S Base
This incandescent bulb with ANSI code 1143 uses 1.98 amps, 12 volts, and 23.8 watts. It has a RP11 lamp shape, and BA15S base. The 1143 bulb has an average rated life of 400 hours.
1152 Bulb | 1.34 Amp, 12.8 Volt, 17.2 Watts, S8, BA15D Base
This incandescent bulb with ANSI code 1152 uses 1.34 amps, 12.8 volts, and 17.2 watts. It has a S8 lamp shape, and BA15D base. The 1152 bulb has an average rated life of 500 hours.
1157 Stop, Signal Bulb - 12.8V Incandescent - Double Contact Index Base 10-Pk
Eiko (40194) standard 1157 automotive bulb. This bulb is commonly used for auto stop, signal, tail, and brake lights.
Sold in packs of 10
1158 Bulb Mini Lamp (6.4-7V, 2.63-.75A)
This incandescent automotive bulb has an ANSI code of 1158. It uses 2.63-0.75 amps and 6.4-7 volts. The 1158 bulb has a BA15S base, and a max overall length of 2 inches.
115W Halogen GZ9.5 Bi-Pin Prefocus
This Sylvania 6.6A/115T4Q/58798/2PPF/EVV 58798 bulb uses 115 watts and 6.6 volts. It has a GZ9.5 base, and an average rated life of 500 hours. It has a T4 lamp shape, and is a halogen bulb.
Q6.6A/T4/2PPF
11S14 Bulb 11W 130V S14 Clear Incandescent Medium Base
Cross reference: GE (12575), Osram Sylvania (17450). Used for: photosensitization and photo chemical reaction applications
11S14/G Bulb 11W 130V Incandescent Green Medium Base
This Standard 11S14/CG/3M/130V/STD 52212 bulb uses 11 watts and 130 volts. It has a E26 medium base, and an average rated life of 2500 hours. It has a S14 lamp shape, and is an incandescent bulb.
11S14/G BULB.
11S14/O Bulb 11W 130V S14 Incandescent Orange Medium Base
This Damar 11S14O 00060B bulb uses 11 watts and 130 volts. It has a E26 medium base, and an average rated life of 3000 hours. It has a S14 lamp shape, and is an incandescent bulb.
11S14/O BULB.
11S14/R Bulb 11W 130V S14 Incandescent Red Medium Base
This Bulbrite 11S14CR 701701 bulb uses 11 watts and 130 volts. It has a E26 medium base, and an average rated life of 2500 hours. It has a S14 lamp shape, and is an incandescent bulb.
11S14/R BULB.
11S14/Y Bulb 11W 130V S14 Yellow Incandescent Medium Base
This Bulbrite 11S14CY 701801 bulb uses 11 watts and 130 volts. It has a E26 medium base, and an average rated life of 2500 hours. It has a S14 lamp shape, and is an incandescent bulb.
11S14/Y BULB.
11W 120V CFL Warm White Medium Base
This Megalight U28011-2700 bulb uses 11 watts and 120 volts. It has a E26 medium base, and an average rated life of 8000 hours. It has a T4 lamp shape, and is a fluorescent bulb.
CF2U-11W BULB.
120PS - 0.025A, 120V, 3W Incandescent - Wire Lead Base
This miniature line voltage wire lead bulb from Chicago Miniature is often used in indicator applications.
120V 60W G9 Halogen Flat Pin-Blade Frosted, UV Stop
JC TYPE with G9 pin blade; a unique flat pin fuse design that allows easy snap in / pull out and firmer fit with socket. Cross reference: Bulbrite 654160.
124 Bulb - 14V .27A Incandescent Wedge Base
This Eiko 124 40238 bulb with ANSI code 124 uses 14 volts and 0.27 amps. It has a mini wedge base, and an average rated life of 5000 hours. It has a T3.25 lamp shape, and is an incandescent bulb.
124 BULB. Cross reference: Eiko 40238, Bulbrite 751145.
1240 Bulb - 112W 32V Incandescent
This Topbulb 1240 bulb with ANSI code 1240 uses 32 volts and 3.6 amps. It has a P30D base, and an average rated life of 35 hours. It has a G16.5 lamp shape, and is an incandescent bulb.
ANSI 1240. Applications: microfilm, medical.
1252 Bulb | 0.23 Amp, 28 Volt, 6.44 Watts, G6, BA15D Base
This incandescent bulb with ANSI code 1252 uses 0.23 amps, 28 volts, and 6.44 watts. It has a G6 lamp shape, and BA15D base. The 1252 bulb has an average rated life of 2000 hours.
12ESB Bulb | 0.04 Amp, 12 Volt, 0.48 Watts, T2, T7.2-5 Base
This incandescent bulb with ANSI code 12ESB uses 0.04 amps, 12 volts, and 0.48 watts. It has a T2 lamp shape, and T7.2-5 base. The 12ESB bulb has an average rated life of 7500 hours.
12V 2W T2 Incandescent Midget Bayonet Base
Osram 3898 bulb. Cross reference Philips 12829.
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