Satco S3219 25 Watt B9.5 Incandescent 120 Volt Candelabra Base Light Bulb, Transparent Red
Product Description
Satco S3219 25 Watt B9.5 Incandescent 120 Volt Candelabra Base Light Bulb, Transparent Red
- Light Bulb from the
- Item Size: Length: 3. 50 inches Width: 1. 19 inches
- Style: Candelabra Light Type: Lamps
- Finish: Transparent Red
- Included Components: Satco S3219 Candelabra Light Bulb in Bronze/Dark finish, 3.50 inches
- Included Components: Satco S3219 Candelabra Light Bulb In Bronze/Dark Finish, 3.50 Inches
The basic design of the incandescent lamp has not changed much since the late 1800s, when Thomas Alva Edison successfully produced the fist operational electric light bulb. The filament inside an incandescent lamp must be protected so that oxygen does not reach it and cause it to evaporate on contact. Most incandescent lamps are either vacuum-sealed or gas-filled. Incandescent lamp filaments are made of tungsten. Tungsten is a metal that can operate at very high temperatures without evaporating too quickly an resulting in early lamp failure. Incandescent filaments only convert about 10 percent of the energy used into visible light, so it is necessary to use a material that can withstand extremely high temperatures. Most lamps use a coiled filament design, which has been found to be stronger and deliver better performance.
Technical Specifications
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