SKU: 59158110354

Philips 54-Watt Equivalent 46in. Linear T5 InstantFit LED Tube Light Bulb Daylight (5000K)

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Description

Philips 54-Watt Equivalent 46in. Linear T5 InstantFit LED Tube Light Bulb Daylight (5000K)Experience hassle free energy savings simply by replacing your currently linear fluorescent tube with the Philips InstantFit 24 Watt 4 ft. T5 linear LED light bulb (LED T5 24W 850). It is the easiest way to replace a linear fluorescent light bulb with an LED solution. Philips InstantFit is a true plug 'n play solution that allows you to leave your existing ballast in your system, while upgrading to the energy savings of LED technology. This product is

Experience hassle-free energy savings simply by replacing your currently linear fluorescent tube with the Philips InstantFit 24-Watt 4 ft. T5 linear LED light bulb (LED T5 24W/850). It is the easiest way to replace a linear fluorescent light bulb with an LED solution. Philips InstantFit is a true plug 'n play solution that allows you to leave your existing ballast in your system, while upgrading to the energy savings of LED technology. This product is compatible with most instant start ballasts and requires no modifications to your existing fixture, which means no rewiring is necessary with this InstantFit design. They are ideal for use in general lighting applications where fluorescent lighting is used and are perfect for applications with frequent "ON/OFF" switching cycles. In residential settings, this light bulb is perfect for laundry rooms, kitchens, garages and basements and in commercial settings in retail offices, parking garages or industrial spaces. Unlike fluorescent bulbs, Philips InstantFit linear T5 LED light bulbs contain no mercury, offering a safe and sustainable, solution, while operating well in cold temperatures.

  • For a full list of compatible ballasts please refer to the installation guide
  • Brightness: 3,500 Lumen
  • Estimated yearly energy cost: USD 2.89 (based on 3-hours/day, 11/kWh, costs depend on rates and use)
  • Life: 30+ years (based on 3-hours/day)
  • Light appearance: 5000K (daylight)
  • Energy used: 24-Watt (equivalent to a 54-Watt linear fluorescent light bulb)
  • Lumens per watt: 145.83 Lumen
  • Uses 56% less energy compared to a linear fluorescent light bulb
  • Ideal for use in general lighting applications where fluorescent lighting is used like laundry rooms, kitchens, garages as well as commercial use in offices and hospitals
  • Instant fit design means that no modifications are needed to the current fixture housing instant start ballast, nor rewiring, simply plug it in and use
  • Contains mercury: no
  • Click here to learn more about


Features
Light Bulb Base Type Bi-Pin
Wattage Equivalence 54 Watts
Lighting Technology LED
Average Life (hours) 36000
Indoor/Outdoor Indoor
Wattage (Watts) 24
Returnable 180-Day
Light Bulb Base Code G5
Bulb Type General Purpose
Lumens (Brightness) 3500
Bulb Construction Plastic
Light Bulb Features Energy Saving,Plug & Play
Color Temperature Daylight
Light Bulb Shape Code T5
Actual Color Temperature (K) 5000
Color Rendering Index (CRI) 82
Fixture Color/Finish Frosted
Number of Bulbs Included 1
Bulb Shape Linear
Product Length (in.) 48
Bulb Diameter (In.) 1
Approximate Light Bulb Length 4 ft.
Product Width (in.) 1
Product Height (in.) 1
Manufacturer Warranty There is a warranty for this item. Please see the package for details.

Shipping Notes
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SKU: 59158110354

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4.3 ★★★★★
Based on 21 reviews
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J
Verified Purchase
John T
San Leandro, US
★★★★★ 5
The best on the subject since LDD3
Format: Paperback
I found this book as impacting me as LDD (by Rubini etc) has been in its days, a de-facto standard established to the point that people keep searching for LDD4/LDD5 to these days, that much desirable. Since LDD3 the last update on 2.6, this book (as well as kernel debugging and hands-on systems programming) is a valuable source of information for modern kernels 5 and 6 for a few years to come. Knowledgeable and easy to follow, captivating attention to keep on reading it through, impressive for a technical book. LDD4+ has now found reincarnated, thank you very much for all the effort composing it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2024
N
Verified Purchase
Nick
Fort Morgan, US
★★★★★ 5
Compelling, informative, and accurate
Format: Kindle
I really could not be happier with the pace and level of detail this book provides. I am a very surface-level Linux user and I wanted to dive in head first. I often find that when I learn about something that I consider really hard or intimidating in tech, I get better at day-to-day use of the tools and my confidence grows. This book is a real confidence-booster if you crave the knowledge of how things work under the hood.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2024
W
Verified Purchase
Wenhui Zhang
Fort Morgan, US
★★★★★ 5
Great book to read
Format: Paperback, Format: Paperback
Great book to keep you updated about upstream Linux
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2024
D
Dieter
Waukegan, US
★★★★★ 5
A Hands-On and Deep Guide to Linux Kernel Programming
Format: Paperback
Linux Kernel Programming, Second Edition is a very practical and well-structured book for anyone who wants to understand how the Linux kernel works. It focuses on both theory and real hands-on learning. The book uses a clear style and explains complex topics in a simple way. It is designed to help readers build real skills, not just read concepts. It is especially useful for developers who want to work closer to the operating system. One of the most interesting parts of the book is the strong introduction to kernel programming. It explains how to set up a development environment, build the Linux kernel from source, and write the first kernel module. This section gives readers a solid starting point and builds confidence early in the learning process. It also explains why loadable kernel modules are widely used in real-world projects. Another highlight is the deep coverage of kernel internals. The book explains core concepts such as kernel architecture, processes, threads, and the difference between user mode and kernel mode. These ideas are often hard to understand, but the book presents them in a clear and structured way. This helps readers see how the operating system really works under the surface. The memory management section is especially strong and detailed. The book spends several chapters explaining how memory is allocated and managed inside the kernel. It also explains advanced topics such as page allocation, memory reclaim, and the out-of-memory system. These chapters are very useful for understanding performance and stability in real systems. Another very interesting section is the coverage of CPU scheduling. The book explains how the Linux kernel decides which task runs at a given time. It introduces scheduling policies, priorities, and modern features like control groups. The explanations are practical and supported by examples, which makes the topic easier to follow. The chapters on kernel synchronization are also a major highlight. They explain concepts such as locks, atomic operations, and deadlock prevention. These topics are critical for writing safe and reliable kernel code. The book also shows real examples and common mistakes, which helps readers avoid problems in their own work. Another strength of the book is its hands-on approach. It includes many kernel modules, scripts, and examples that readers can try themselves. This makes learning more engaging and helps turn theory into real skills. The focus on practical work makes the book stand out from more theoretical resources. Overall, this book is a great choice for developers, system programmers, and engineers who want to understand the Linux kernel in depth. It starts with the basics and moves into advanced topics in a smooth way. The combination of clear explanations and practical examples makes it a strong and valuable learning resource.
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Reviewed in the United States on April 16, 2026
E
Verified Purchase
Ember
Boise, US
★★★★★ 4
Poor quality binding
Format: Paperback, Format: Paperback
Binding glue fell apart in less than a week and the pages fell out. Content is great though and I have a shiny new kernel based on Kali. 4 stars despite the binding because the content is top tier if you love all things Linux 🤌
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2025

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