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About Light Appearance
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Bayonet Base Miniature Light Bulbs
Pins on either side of the base lock these bulbs into sockets. These bulbs are sized to fit tight spaces such as indicators and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Incandescent bulbs are traditional light bulbs.
| Bulb Trade Number | Voltage | Wattage | Current | Light Technology | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Color | Pkg. Qty. | Pkg. | |
Single Contact—Miniature Base (0.36" Base Dia.) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Flat Top Bulb | |||||||||||
| 60MB | 60V AC/60V DC | 3W | 0.05A | Incand. | Not Rated | 0.31" | 1.19" | Clear | 5 | 00000000 | 000000 |
| 120MB | 120V AC/120V DC | 3W | 0.03A | Incand. | Not Rated | 0.31" | 1.19" | Clear | 5 | 0000000 | 0000 |
Single Contact—Small Base (0.59" Base Dia.) | |||||||||||
Tapered Bulb | |||||||||||
| 1651 | 5V AC/5V DC | 3W | 0.6A | Incand. | Not Rated | 1" | 2" | Clear | 10 | 00000000 | 00000 |
Wedge Base Miniature Light Bulbs
These bulbs are sized to fit tight spaces such as indicators and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Incandescent bulbs are traditional light bulbs.
| 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. | |
Tubular Bulb—Medium Base (0.37" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 147 | 7V AC/7V DC | 3W | 25 | 0.43A | Incand. | Glass | Clear | Not Rated | 0.41" | 1.06" | T3 1/4 | 10 | 00000000 | 00000 |
| 2821 | 12V AC/12V DC | 3W | 22 | 0.25A | Incand. | Glass | Clear | Not Rated | 0.41" | 1.06" | T3 1/4 | 10 | 00000000 | 0000 |
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.
| 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 | 12V AC/12V DC | 3W | 300 | 0.25A | LED | Plastic | Clear | 25,000 | 1/2" | 1 5/8" | T4 | 1 | 00000000 | 000000 |
Festoon Base Miniature Light Bulbs
These bulbs are sized to fit tight spaces such as signs, instruments, indicators, and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
| Bulb Trade Number | Voltage | Wattage | Brightness, lumens | Current | Light Technology | Bulb Material | Color | Rated Life | Bulb Dia. | O'all Lg. | Bulb Shape No. | Pkg. Qty. | Pkg. | |
Tubular Bulb—0.33" Base Dia. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3021 | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Clear | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 000000 |
| 3021A | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Amber | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 00000 |
| 3021B | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Blue | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 00000 |
| 3021G | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Green | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 00000 |
| 3021P | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Purple | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 00000 |
| 3021R | 12V AC/12V DC | 3W | 25 | 0.25A | Incand. | Glass | Red | Not Rated | 0.28" | 1.14" | T2 1/4 | 10 | 00000000 | 00000 |
Slide Base Miniature Light Bulbs
These bulbs are sized to fit older telephone switchboards, signs, instruments, and indicators. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Incandescent bulbs are traditional light bulbs.
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.
Incandescent bulbs are traditional light bulbs. Many have been phased out due to governmental energy requirements, but some are still available for special applications.
| 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. | |
Tapered Bulb—Candelabra Base (1/2" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC/120V DC | |||||||||||||
| 3W | Warm (2,400K) | 10 | Incand. | Dimmable | S6 | Glass | Clear | 3W | 1,000 | 0.40 | 1 | 0000000 | 00000 |