Philips Lighting 7W T8 LED Tub...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$20.21
Philips Lighting 7W T8 LED Tube Dimmable InstantFit Replacement

Philips Lighting 7W T8 LED Tube Dimmable InstantFit Replacement

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Model: 541821

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

$20.21
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Philips Lighting 7W T8 LED Tube 3500K Dimmable InstantFit Replacement System

Professional LED upgrade solution with InstantFit compatibility and 70,000-hour lifetime

Philips Lighting delivers professional-grade LED tube replacement technology with this 7W T8 LED system featuring 3500K color temperature and dimmable operation. The InstantFit design provides excellent compatibility with over 350 existing ballasts and drivers, offering plug-and-play installation alongside ballast bypass and UL Type C options. With 1200 lm output and 157 lm/W efficacy, this DLC Standard certified tube delivers reliable performance for commercial and industrial applications while minimizing overall lighting costs through energy-efficient operation and extended 70,000-hour lifetime.

Professional Features & Benefits

  • 7W Power Rating: Energy-efficient operation reduces electricity consumption while maintaining optimal light output for cost-effective facility management.
  • 3500K Color Temperature: Neutral white light provides excellent visibility and color rendering for professional work environments and commercial spaces.
  • Dimmable Operation: Flexible light control capabilities allow customized illumination levels to match specific application requirements and energy management goals.
  • InstantFit Compatibility: Works with over 350 ballasts and drivers for seamless retrofit installation without extensive electrical modifications.
  • 70,000-Hour Lifetime: Extended operational life reduces maintenance frequency and replacement costs in commercial and industrial facilities.
  • DLC Standard Certification: Meets energy efficiency standards for utility rebate eligibility and professional lighting specifications.
  • 157 lm/W Efficacy: High luminous efficacy delivers maximum light output per watt for superior energy performance and operational efficiency.

Technical Specifications

  • Base: G13 [ Medium Bi-Pin Fluorescent]
  • Beam Angle Nom : 180 �
  • Color Code: 835 [ CCT of 3500K]
  • Color Consistency: <6
  • Color Designation: White (WH)
  • Color Rendering Index Nom : 80
  • Correlated Color Temperature Nom : 3500 K
  • Dimmable: Yes
  • Energy Certifications: DLC Standard
  • Energy Saving Product: Yes
  • Eu Rohs Compliant: Yes
  • Initial Lumen Nom : 1200 lm
  • Input Frequency: 20K to 120K Hz
  • Lamp Current Max : 240 mA
  • Lamp Current Min : 80 mA
  • Llmf At End Of Nominal Lifetime Nom : 70%
  • Luminous Efficacy Rated Nom : 157.00 lm/W
  • Nominal Lifetime Nom : 70000 h
  • Power Factor Nom : 0.9
  • Power Rated Nom : 7 W
  • Starting Time Nom : 0.5 s
  • Switching Cycle: 50000X
  • T Ambient Max : 45 �C
  • T Ambient Min : -20 �C
  • T Case Maximum Nom : 50 �C
  • T Storage Max : 65 �C
  • T Storage Min : -40 �C
  • Voltage Nom : 120-277, 347 V
  • Warm Up Time To 60 Light Nom : 0.5 s

Professional Applications

  • Office Buildings and Commercial Spaces
  • Industrial Facilities and Warehouses
  • Parking Lots and Covered Car Parks
  • Retail and Shopping Centers
  • Educational and Healthcare Facilities
  • Manufacturing and Distribution Centers

Why Choose Philips Lighting Quality?

Philips Lighting provides professional-grade LED technology backed by up to 7-year limited warranty coverage and DLC Standard certification. The polycarbonate tube construction offers shatter-resistant durability for demanding commercial and industrial environments, while NSF certification ensures food-safe applications. With proven InstantFit compatibility across hundreds of ballast types and comprehensive voltage range support from 120-277V to 347V, this LED tube system delivers reliable performance and simplified retrofit installation for professional lighting upgrades.

Product Specs

T Storage Min:
-40 °C
Input Frequency:
20K to 120K Hz
T Ambient Max:
45 °C
Initial Lumen Nom:
1200 lm
Color Rendering Index Nom:
80
Voltage Nom:
120-277, 347 V
Energy Certifications:
DLC Standard
Energy Saving Product:
Yes
Power Rated Nom:
7 W
T Ambient Min:
-20 °C
Power Factor Nom:
0.9
Beam Angle Nom:
180 °
Lamp Current Max:
240 mA
Dimmable:
Yes
Warm Up Time To 60 Light Nom:
0.5 s
Base:
G13 [ Medium Bi-Pin Fluorescent]
Starting Time Nom:
0.5 s
Product Type:
LED Tube
Switching Cycle:
50000X
Lamp Current Min:
80 mA
Eu Rohs Compliant:
Yes
Llmf At End Of Nominal Lifetime Nom:
70%
T Case Maximum Nom:
50 °C
T Storage Max:
65 °C
Nominal Lifetime Nom:
70000 h
Department:
Electrical
Product Subgroup:
Lamps & Bulbs
Product Group:
Lighting

Philips Lighting 541821 – Frequently Asked Questions

1) Can I drop this Philips 7W T8 LED tube into my existing fluorescent fixture without rewiring?
Yes. The 7W InstantFit T8 uses a G13 medium bi-pin base and is built to run on over 350 existing ballasts and drivers, so it goes into a standard T8 fluorescent socket with no rewiring. If you prefer to remove the ballast, ballast bypass and UL Type C options are also part of the InstantFit program. Starting time is 0.5 seconds, so there's no warm-up delay after the swap.
2) Will this LED tube work on 347V building power as well as standard 120/277V?
Yes. The tube is rated for 120-277V and 347V, which covers standard U.S. commercial circuits and the 347V distribution common in Canadian industrial buildings. Input frequency range is 20K to 120K Hz, and power factor is 0.9.
3) Which color temperature should I order to match the fluorescent tubes already in my building?
Three choices: 3500K (part 541821), 4000K cool white (541839), and 5000K daylight (541847). If the existing lamps are 835 fluorescents, 3500K matches; 841 lamps match 4000K, and 850 matches 5000K. All three run 7W at 1200 lumens with a CRI of 80, so output and color quality stay consistent across a mixed-area relamp.
4) Is 7W and 1200 lumens enough to replace a 32W fluorescent T8?
At 1200 lumens with 157 lm/W efficacy, the 7W tube puts out less raw lumen than a typical 32W F32T8, so in open-fixture, high-ceiling, or task areas check your footcandle target before committing to a full relamp. Where it works well is lower-mounted or multi-lamp troffers and corridors, where the fixture was over-lamped to begin with. The tube holds 70 percent of initial lumen output at the end of its 70,000-hour rated life, so the design figure should be based on that depreciation.
5) Can I put this LED tube on my existing fluorescent dimmer?
The tube itself is dimmable, and lamp current runs from a minimum of 80 mA to a maximum of 240 mA. Dimming performance depends on the ballast or driver it's operating on, and InstantFit dimming is tied to the specific dimming ballast in the fixture, so verify the ballast model against Philips' compatibility list for the lamp before you order a dimmed zone.
6) Can this T8 LED tube be used in an unheated warehouse or a covered parking garage?
Yes, within limits. Operating ambient range is -20C to 45C, and maximum case temperature is 50C. That covers unheated warehouses, loading docks, and covered car parks in most climates, but not enclosed fixtures running hot above 45C ambient. Storage range is -40C to 65C.
7) Does this Philips LED tube qualify for a utility rebate?
It carries DLC Standard listing, which is the qualification most utility prescriptive rebate programs require for linear LED replacement lamps. Submit the specific part number you buy (541821, 541839, or 541847) with the application, since rebate amounts are set per listed model by the utility.
8) Is the light spread from this LED tube as wide as a fluorescent lamp's?
Beam angle is 180 degrees nominal. A fluorescent tube emits a full 360 degrees, so in an open strip or wraparound fixture you'll see more light directed down and less bounced off the reflector. In a lensed troffer that's usually a net gain in delivered light; in a pendant or indirect cove fixture it changes the look, so plan accordingly.
9) Is this tube safe to use over food prep areas, and is it shatter resistant?
The tube is of polycarbonate construction rather than glass, which makes it shatter resistant, and it carries NSF certification for food-safe applications. It's also EU RoHS compliant.
10) Is 3500K or 4000K better for an office retrofit?
3500K reads as neutral white and is the traditional North American office color, so it blends in where you're relamping part of a floor that still has 835 fluorescents. 4000K cool white looks crisper and is the common choice for new commercial standardization and for retail and healthcare corridors. 5000K daylight suits warehouses and shops. All three are the same 7W, 1200 lumen, 80 CRI lamp, so the only variable is appearance.
How fast can I get the Philips Lighting 541821 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 541821 come with a warranty?
Absolutely. The Philips Lighting 541821 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 541821?
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
Why buy the Philips Lighting 541821 from ZenSupply?
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