
58661-20W-12V Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $5.25 | Condition is New, SYLVANIA 58661 20W 12V 20T3Q/CL. 1 Pk Bulb., shipping cost = $1.00 | 100.0% |
![]() | $27.90 | Top Pick! Condition is New, Replacement LED for SYLVANIA 58661 20W 12V, FREE SHIPPING | 98.9% |
![]() | $61.15 | Condition is New, Replacement LED for OSRAM SYLVANIA 58661 20W 12V, FREE SHIPPING | 98.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.00 | Condition is New other (see details), SYLVANIA 58661 BI-PIN MINI BULB 20W 12V 20T3Q/CL ****LOTOF4****, shipping cost = $17.02 | 100.0% |

Introducing the Pennsylvania 58661/20W/12V Tungsten Halogen Lamps, a superior lighting solution for your commercial or industrial applications. These lamps are designed to provide an exceptional level of brightness and consistency, making them an ideal choice for various settings.
The Pennsylvania 58661 lamps come in a pack of twelve, each with a wattage of 20W and operating voltage of 12V. They are constructed using Tungsten Halogen technology, which offers several advantages over other lighting types. With a filament made of tungsten wire, these lamps emit light due to the incandescence of the filament. This results in a warm, white light with high color rendering index (CRI), allowing true colors to be represented accurately.
These lamps feature a frosted glass bulb, which provides a diffused light output, reducing glare and creating a more comfortable lighting environment. The frosted glass also enhances the lamp's lifespan, as it protects the filament from premature degradation caused by direct exposure to external elements.
The Pennsylvania 58661 lamps are compact in size, measuring 7 inches (17.8 cm) in length and 3 inches (7.6 cm) in diameter. Their streamlined design makes them easy to install in a variety of fixtures, and their compatibility with a 12V DC power source makes them suitable for use in applications where a stable voltage is available.
Despite their compact size, these lamps pack a punch when it comes to brightness. They provide an impressive luminous flux of 1,220 lumens per bulb, ensuring ample light for your workspace or facility. Additionally, they have a long lifespan of approximately 2,500 hours, reducing the need for frequent replacement and minimizing downtime.
In conclusion, the Pennsylvania 58661/20W/12V Tungsten Halogen Lamps are a versatile and reliable lighting solution for your commercial or industrial needs. With their bright, warm white light, long lifespan, and compact design, these lamps offer an excellent value for the price. Upgrade your lighting system today with these top-quality tungsten halogen lamps.
Tungsten Halogen lamps, specifically model number PS-58661/20W/12V from FNFP, are commonly used in various applications due to their good color rendering index and brightness. Here are some pros and cons of buying this lamp:
Pros:1. High Intensity: Tungsten Halogen lamps produce a very intense light which makes them ideal for use in areas where bright illumination is required.
2. Good Color Rendering: These lamps have a high color rendering index, which means they can accurately represent the colors of objects.
3. Long Lamp Life: Compared to other types of bulbs, tungsten halogen lamps have a relatively long life span.
4. Instant Light: Tungsten Halogen lamps light up immediately when turned on, unlike some other types of bulbs that take time to warm up.
Cons:1. Energy Inefficiency: Tungsten Halogen lamps consume a lot of power and are not very energy efficient.
2. Fragile: The glass bulb in a tungsten halogen lamp can be easily broken if dropped.
3. Short Lamp Life under Heavy Use: While the lamp has a relatively long life span, it can be shortened significantly if the lamp is used heavily.
4. Heat Generation: Tungsten Halogen lamps generate a lot of heat, which can be a concern in certain applications.
Conclusion:The FNFP PS-58661/20W/12V Tungsten Halogen lamp offers high intensity and good color rendering, making it an attractive option for various applications. However, it is important to consider the energy inefficiency, fragility, and heat generation before making a purchase. If the benefits outweigh the cons for your specific application, then this lamp could be a good choice. However, if energy efficiency is a priority, or if the lamp will be subjected to heavy use or frequent handling, other types of bulbs, such as LED bulbs, may be a better option.
Details:
Sylvania 58661/20w/12v bag of 6 12v tungsten halogen quartz bi-pin standard low pressure clear finish UV-filter with transverse filament g4 base 20w. 2-year MRI shield protection plan included. Sylvania 58661/20w/12v bag of 6 12v tungsten halogen lamps manufactured by Sylvania. A brand-new, unused, unopened, undamaged item in its original packaging where is applicable.
The product must be the original item shipped, with matching serial numbers if applicable. Most items are in stock when they listed. Special instructions. Manufacturer part number: 58661/20w/12v.
specifications faclighting:
- brand: Sylvania
- mpn: 58661/20w/12v
- part type: Bag Lamp
seller faclighting:
- # reviews: 16126
- city: mount sterling, kentucky
- rating: 99.1%
shipping faclighting:
- type: calculated
- carrier: ups
- transit: 5-10 days
- service: ups ground, ups next day air
- class: standard, one-day
offer faclighting:
- in stock #: 4
- started: october 25, 2025
- prices: $20.00–$61.15
- item condition:
- New
- New other (see details)
- availability: in stock
- best offers: true
- sold #: 19
- options: ship-to-home
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
returns faclighting:
- time: 30 days
- method: money back
- paid by: buyer
- policy: returns accepted
payments faclighting:
- wallet: paypal
- credit card: mastercard
- other
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