About Brightness
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About Light Appearance
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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.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
For technical drawings and 3-D models, click on a part number.
| 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 | FCS, JC150 | 24V AC/24V DC | 150W | 5,000 | Not Rated | Halogen | Glass | Clear | 50 | 0.53" | 2" | T4 | 1 | 0000000 | 000000 |
| A | FDV | 24V AC/24V DC | 150W | 5,000 | 6.25A | Halogen | Glass | Clear | 300 | 0.43" | 1 15/16" | T3 1/2 | 1 | 0000000 | 0000 |
Screw-In Base Light Bulbs
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.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
| 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, $ | Pkg. Qty. | Pkg. | |
Standard Bulb—Medium (Standard Household) Base (1 1/16" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
| Each | |||||||||||||
Pointed Bulb—Miniature Candelabra Base (7/16" Dia.) | |||||||||||||
120V AC | |||||||||||||
| 150W | Warm (2,900K) | 2,800 | Halogen | Dimmable | T4 1/2 | Glass | Clear | 150W | 2,000 | 18.10 | __ | 0000000 | 0000 |
Bayonet Base Light Bulbs
Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
| Voltage | Wattage | Light Appearance | Brightness, lumens | Bulb Trade Number | Light Technology | Bulb Shape No. | Color | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
Double Contact—Small Base (0.59" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pointed Bulb | ||||||||||||||
| 120V AC/120V DC | 150W | Warm (2,950K) | 2,800 | 150Q/CL/DC, ETC | Halogen | T4 | Clear | 2,000 | 18.10 | 1/2" | 2.5" | 1 | 0000000 | 000000 |
Bi-Pin Base Floodlight Bulbs
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. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
For technical drawings and 3-D models, click on a part number.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Beam Angle | Bulb Trade Number | Light Technology | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
MR16 Bulb | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
15V AC/15V DC | |||||||||||||||
| 150W | Neutral (3,400K) | Not Rated | Not Rated | EFR | Halogen | Glass | Clear | 150W | 50 | 18.02 | 2" | 1 5/8" | 1 | 0000000 | 000000 |
20V AC/20V DC | |||||||||||||||
| 150W | Neutral (3,150K) | Not Rated | Not Rated | DDL | Halogen | Glass | Clear | 150W | 500 | 18.07 | 2" | 1 3/4" | 1 | 0000000 | 00000 |
21V AC/21V DC | |||||||||||||||
| 150W | Neutral (3,250K) | Not Rated | Not Rated | EKE | Halogen | Glass | Clear | 150W | 200 | 18.02 | 2" | 1 3/4" | 1 | 0000000 | 00000 |
| 150W | Neutral (3,400K) | Not Rated | Not Rated | EJA | Halogen | Glass | Clear | 150W | 40 | 18.02 | 2" | 1 3/4" | 1 | 0000000 | 00000 |
| 150W | Neutral (3,400K) | Not Rated | Not Rated | EJV | Halogen | Glass | Clear | 150W | 40 | 18.02 | 2" | 1 3/4" | 1 | 0000000 | 00000 |
Side-Prong Base Floodlight Bulbs
Prongs on the side of the base plug into specialty track lighting fixtures. This bulb produces a focused beam of light. Its warm light appearance has yellow tones. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Beam Angle | Bulb Trade Number | Light Technology | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Each | |
PAR38 Bulb—1 9/16" Base Dia. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | ||||||||||||||
| 150W | Warm (3,000K) | 1,250 | 25° | LR38sp/25/30K/1250/WH | LED | Plastic | Clear | 17W | 50,000 | 18.07 | 4 11/16" | 3 3/4" | 0000000 | 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 | |
| JCD | 120V AC/120V DC | 150W | Warm (2,900K) | 3,000 | Halogen | Not Dimmable | Glass | Clear | 100 | 1/2" | 2" | T4 | 00000000 | 000000 |
Terminal Base Sealed-Beam Vehicle Headlamp Light Bulbs
The sealed assembly withstands the rigors of outdoor use. In addition to using these bulbs in vehicles, they can be used for spot, flood, and emergency lighting. 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. | Each | |
Screw-On Terminal Base | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PAR46 Bulb | |||||||||||||
| 4049 | 13V DC | 150W | Warm (2,800K) | 2,000 | Incand. | Not Dimmable | Glass | Clear | 15 | 5 3/4" | 3 3/4" | 00000000 | 000000 |
Metal Halide Light Bulbs
Illuminate large warehouses, factories, and arenas with the bright, white light of these metal halide bulbs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh. They cannot be sold to Canada because they exceed local regulatory limits on mercury.
| Wattage | Light Appearance | Brightness, lumens | Bulb Shape No. | Operating Position | CRI | For Ballast ANSI No. | Start Type | Bulb Material | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Cannot Be Sold To | Each | |
For Enclosed Fixtures | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cone Bulb—E26 Medium (Standard Household) Base (1 1/16" Dia.) | |||||||||||||||
| 150W | Neutral (3,700K) | 12,500 | BD17 | Base Up, Base Down, Horizontal | 65 | M107 | Probe | Glass | 10,000 | 18.07 | 2 1/8" | 5 7/16" | Canada | 0000000 | 000000 |
| 150W | Warm (3,000K) | 12,900 | E17 | Base Up, Base Down, Horizontal | 75 | M102 | Probe | Glass | 15,000 | 18.07 | 2 1/8" | 5 7/16" | Canada | 0000000 | 00000 |
LED Light Bulbs for High-Intensity Discharge (HID) Lights
Replace high-intensity discharge (HID) lights with the longer-lasting, energy-efficient LEDs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. LED lights are perceived as brighter at night than high-intensity discharge light technologies, so they require fewer lumens to provide the same brightness. Match your old light’s wattage to find the right LED bulb. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.
Ballast bypass bulbs eliminate the need for a ballast, so the socket must be wired directly to the power source.
Equiv. Bulb Wattage | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metal Halide | High-Pressure Sodium | Mercury Vapor | Light Appearance | Brightness, lumens | Operating Position | Bulb Dia. | O'all Lg. | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Specifications Met | Each | |
Ballast Bypass | |||||||||||||
Flat Top Bulb—EX39 Mogul Base | |||||||||||||
| 400W | 400W | 400W | Neutral (4,000K) | 20,900 | Base Up, Base Down, Horizontal | 8 3/4" | 10" | 150W | 50,000 | 18.07 | UL Listed, C-UL Listed | 0000000 | 0000000 |
| 400W | 400W | 400W | Cool (5,000K) | 21,200 | Base Up, Base Down, Horizontal | 8 11/16" | 10" | 150W | 50,000 | 18.07 | UL Listed, C-UL Listed | 00000000 | 000000 |
Tubular Bulb—E26 Medium (Standard Household) Base | |||||||||||||
| 150W | 150W | 150W | Warm (3,000K) Neutral (4,000K) Cool (5,000K) | 3,170 3,333 3,360 | Base Up, Base Down, Horizontal | 3" | 6 5/8" | 24W | 50,000 | 2.89 | UL Listed, C-UL Listed | 00000000 | 00000 |
| 150W | 150W | 150W | Warm (3,000K) Neutral (4,000K) Cool (5,000K) | 5,040 5,600 5,400 | Base Up, Base Down, Horizontal | 3 3/8" | 7 1/2" | 36W | 50,000 | 4.33 | UL Listed, C-UL Listed | 00000000 | 00000 |
Tubular Bulb—EX39 Mogul Base | |||||||||||||
| 70W/100W/150W | 70W/100W/150W | 70W/100W/150W | Warm (3,000K) Neutral (4,000K) Cool (5,000K) | 3,170 3,333 3,360 | Base Up, Base Down, Horizontal | 3" | 7" | 12W, 18W, 24W | 50,000 | 2.89 | UL Listed, C-UL Listed | 0000000 | 00000 |
| 150W | __ | __ | Warm (3,000K) Neutral (4,000K) Cool (5,000K) | 6,684 6,750 7,000 | Base Up, Base Down, Horizontal | 3 3/8" | 10" | 45W | 50,000 | 5.42 | UL Listed, C-UL Listed | 00000000 | 00000 |
High-Pressure Sodium Light Bulbs
Illuminate parking lots and roads with the warm, yellow light of these high-pressure sodium bulbs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh. Bulbs cannot be sold to Canada because they exceed local regulatory limits on mercury.
Non-cycling bulbs prevent damage to ballasts and starters because they remain off at the end of their service life instead of cycling on and off like other high pressure sodium bulbs.
An instant restart means you won’t have to wait the several minutes it takes other high-pressure sodium bulbs to restart.
| Wattage | Light Appearance | Brightness, lumens | Bulb Shape No. | CRI | For Ballast ANSI No. | Restart Time, min. | End-of-Life Operation | Bulb Material | Color | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Cannot Be Sold To | Each | |
Cone Bulb | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E26 Medium (Standard Household) Base (1 1/16" Dia.) | ||||||||||||||||
| 150W | Warm (2,100K) | 15,800 | ED17 | 22 | S55 | 1-5 | Cycling | Glass | Clear | 24,000 | 18.07 | 2 1/8" | 5 7/16" | Canada | 0000000 | 000000 |
E39 Mogul Base (1 5/8" Dia.) | ||||||||||||||||
| 150W | Warm (2,000K) | 14,400 | ED23 1/2 | __ | S55 | 10-15 | Cycling | Glass | Clear | 24,000 | 18.07 | 2 15/16" | 7 1/2" | Canada | 0000000 | 00000 |
| 150W | Warm (2,100K) | 15,200 | ED23 1/2 | 22 | S55 | Instant | Non-Cycling | Glass | Clear | 80,000 | 18.07 | 2 15/16" | 7 3/4" | Canada | 0000000 | 00000 |
| 150W | Warm (2,100K) | 16,000 | ED23 1/2 | 22 | S55 | 1-5 | Cycling | Glass | Clear | 30,000 | 18.07 | 2 15/16" | 7 3/4" | Canada | 0000000 | 00000 |
| 150W | Warm (2,100K) | 16,000 | ED23 1/2 | 22 | S55 | 1-5 | Non-Cycling | Glass | Clear | 40,000 | 18.07 | 2 15/16" | 7 3/4" | Canada | 0000000 | 00000 |