Philips Lighting 146845 PL-S 1...
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Philips Lighting 146845 PL-S 13-Watt 2-Pin Compact Fluorescent Lamp, 3500K

Philips Lighting 146845 PL-S 13-Watt 2-Pin Compact Fluorescent Lamp, 3500K

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Model: 146845

In Stock (leaves warehouse same day if ordered before 3pm ET)

$8.14
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Philips Lighting 146845 PL-S 13W/835/2P/ALTO Compact Fluorescent Lamp

The Philips Lighting 146845 PL-S 13W/835/2P/ALTO is a linear compact fluorescent lamp built on the PL-S platform, delivering dependable performance for commercial and light-industrial fixtures that call for a compact 2-pin GX23 base lamp. Rated at 13-Watts, this Alto® lamp produces 825 lumens at a 3500K color temperature, giving spaces a neutral white light output with an 82 CRI for accurate color rendering. Designed as a direct, code-compliant replacement option for facilities standardizing on the PL-S 2-pin family, the 146845 is well suited to downlights, wall sconces, task fixtures, and other enclosed or semi-enclosed compact fluorescent applications where a reliable, efficient light source is required.

Key Features

  • Wattage: 13-Watts for efficient energy use in compact fluorescent fixtures.
  • Light Output: 825 lumens at 3500K delivers clean, neutral-white illumination suited to general commercial lighting.
  • Color Rendering: 82 CRI provides accurate, true-to-life color rendering for occupied work and living spaces.
  • Base Type: 2-Pin GX23 base ensures compatibility with PL-S 2-pin compact fluorescent fixtures and sockets.
  • Lamp Format: PL-S linear compact fluorescent construction offers a compact form factor for space-constrained luminaires.
  • Alto® Technology: Part of the Philips Alto® lamp family, engineered for consistent, reliable operation.

Technical Specifications

  • Lamp Type: PL-S Linear Compact Fluorescent
  • Wattage: 13-Watt
  • Base: 2-Pin GX23
  • Lumens: 825
  • CRI: 82
  • Color Temperature: 3500K
  • Series: Alto®

Typical Applications

  • Commercial Downlighting and Sconces
  • Office and Retail Fixture Retrofits
  • Task and Accent Lighting Fixtures
  • Facilities Standardizing on PL-S 2-Pin Lamp Platforms

Why Philips Lighting?

Philips Lighting's Alto® PL-S lamp platform is engineered to deliver consistent color temperature and reliable lumen output across every unit, helping facility managers and electrical contractors maintain uniform lighting quality across large installations. With a 2-Pin GX23 base built for straightforward fixture compatibility, the 146845 supports code-compliant, professional-grade compact fluorescent lighting projects.

Manufacturer Resources

Spec Sheet

Product Specs

list_batch:
PHIL-20260925
Product Type:
Compact Fluorescent Lamp
Product Wattage:
13W
Light Temperature:
3500K
Bulb Base:
GX23
Lumens:
825
CRI:
82
Department:
Electrical
Product Subgroup:
Lamps & Bulbs
Product Group:
Lighting
Country Of Origin:
United States
Product Diameter:
1.1 in
Product Color:
White (WH)
Product Height:
0.906 in
Product Weight:
0.11 lb
Product Width:
1.417 in
Amperage Rating:
0.29A
Product Length:
7.016 in

Philips Lighting 146845 – Frequently Asked Questions

1) I have a mix of PL-S lamps in my building. How do I confirm the 146845 matches what I am replacing?
Read the printing on the old lamp. The Philips designation is PL-S 13W/835/2P/ALTO: 13W wattage, 835 meaning 82-plus CRI at 3500K, and 2P for the two-pin GX23 base. If the lamp coming out reads 13W/835/2P, the 146845 is the same lamp. A 13W/841 or 13W/827 is the same size and base but a different color temperature, and mixing those in one space will show.
2) Can I swap a 13W PL-S 2-pin for a twin-tube or triple-tube CFL of a different wattage?
Not interchangeably. A 2-pin lamp is matched to the ballast by wattage as well as by base, so a 13W GX23 lamp does not substitute for an 18W or 40W lamp even when the pins look similar. The Sylvania 20877 Dulux T/E/IN is 18W 4-pin and the Sylvania 20586 Dulux L is a 40W twin-tube, both different sockets and ballasts. Match wattage and pin count to the fixture, then pick color temperature.
3) Is 3500K the right color for an office corridor, or should I go cooler?
3500K is neutral white, the middle ground between warm 2700K/3000K and cool 4100K. It is the common standard for office, corridor and retail work in North America, and the 146845 pairs it with 82 CRI for decent color accuracy on skin tones and finishes. If your building is already standardized on 4100K cool white, a Sylvania 20586 Dulux L Ecologic runs 4100K; for warmer spaces the Sylvania 20721 Dulux D/E is 3000K.
4) How much light does a 13W PL-S put out compared with the wattage it replaces?
825 lumens at 13 watts. That is the standard output for a 13W 2-pin PL-S and it is what you should see on the lamp you are pulling out if it is also marked 13W/835. Draw is 0.29A, which matters when you are totalling a circuit across a lot of downlights.
5) What is the difference in light color between the Philips 146845 and the Sylvania 20721 Dulux D/E?
The Philips 146845 is a 3500K neutral white lamp with 82 CRI, while the Sylvania 20721 Dulux D/E Ecologic is a 3000K lamp, a warmer tone. If a facility has standardized on 3500K in corridors and offices, mixing in a 3000K lamp will read visibly yellower in adjacent fixtures. The Sylvania 20877 Dulux T/E/IN is also 3500K if you need that color in a 4-pin socket.
6) I need more output than 13 watts in a compact fluorescent fixture. What should I look at instead of the Philips 146845?
The Philips 146845 is a 13-Watt PL-S lamp producing 825 lumens. For higher output, the Sylvania 20586 Dulux L Ecologic is a 40-Watt twin-tube lamp and the Sylvania 20877 Dulux T/E/IN is an 18-Watt 4-pin. Both are different lamp formats and base configurations, so the luminaire and its ballast have to be built for them - this is a fixture change, not a lamp swap.
7) Is the Philips 146845 made in the USA, and what does Alto mean?
Country of origin on the 146845 is the United States. Alto is Philips' lamp family designation covering their low-mercury fluorescent construction, which is why facilities standardizing a lamp platform tend to spec it across the whole building for consistent color and disposal handling. The lamp body is white.
8) For a 4100K cool white look, is there an alternative to the Philips 146845?
The Philips 146845 is a 3500K lamp. If the spec calls for a cooler 4100K appearance, the Sylvania 20586 Dulux L Ecologic is a 4100K lamp, though it is a 40-Watt twin-tube on a different base rather than a 13-Watt PL-S, so it suits a different luminaire. Within a PL-S 2-pin GX23 socket, you would stay in the PL-S family and select the color code you need.
How fast can I get the Philips Lighting 146845 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Philips Lighting 146845 come with a warranty?
Absolutely. The Philips Lighting 146845 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Philips Lighting 146845?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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