RAB ST19 LED Filament Bulb 3W-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$10.00
$4.18
RAB ST19 LED Filament Bulb – 3W–5W, 2700K, E26 Base, Clear Glass

RAB ST19 LED Filament Bulb 3W-5W 2700K E26 Base Clear Glass Energy Star

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Model: ST19-5-E26-927-F-C

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

$10.00
$4.18
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RAB ST19 LED Filament Bulb 3W-5W 2700K E26 Base Clear Glass Energy Star

Professional LED lighting with vintage filament design and modern efficiency

The RAB ST19 LED Filament Bulb combines classic Edison-style aesthetics with advanced LED technology, delivering 3W-5W power consumption with warm 2700K color temperature. Featuring an E26 standard base and clear glass construction, this Energy Star certified bulb provides reliable illumination with constant current driver technology for consistent performance and 15,000-hour rated lamp life.

Professional Features & Benefits

  • 3W-5W Power Range: Provides flexible wattage options for optimal energy efficiency while maintaining desired light output levels.
  • 2700K Warm Color Temperature: Delivers comfortable warm white light ideal for residential and hospitality applications requiring inviting ambiance.
  • E26 Standard Base: Ensures universal compatibility with most standard light fixtures and easy installation without special adapters.
  • Clear Glass Construction: Offers unobstructed light transmission and showcases the decorative filament design for aesthetic appeal.
  • Energy Star Certification: Meets strict energy efficiency guidelines for reduced operating costs and environmental impact.
  • 15,000 Hour Rated Life: Provides long-lasting performance reducing maintenance frequency and replacement costs.
  • Constant Current Driver: Maintains stable LED performance and extends lamp life through consistent power delivery.

Technical Specifications

  • Amps 120: 0.06A
  • Driver Info: Constant Current
  • Energy Star: st19-3-e26-927-f-c.es-certificate.pdf
  • Flicker: <30%
  • Input Voltage: 120V
  • Lamp Hours: 15000
  • Lamp Info: LED

Professional Applications

  • Residential dining rooms and living spaces requiring warm ambient lighting
  • Hospitality venues including restaurants, cafes, and hotel lobbies
  • Retail establishments seeking decorative lighting with energy efficiency
  • Professional offices and commercial spaces with exposed fixture designs
  • Historic renovation projects requiring period-appropriate LED solutions
  • Decorative pendant and chandelier installations

Why Choose RAB Quality?

RAB delivers professional-grade LED lighting solutions with Energy Star certification ensuring verified performance and efficiency. The 15,000-hour rated life and constant current driver technology provide reliable operation with minimal flicker for consistent illumination in demanding commercial and residential applications.

Manufacturer Resources

Product Specs

Amps 120:
0.06A
Driver Info:
Constant Current
Energy Star:
st19-3-e26-927-f-c.es-certificate.pdf
Flicker:
<30%
Input Voltage:
120V
Lamp Hours:
15000
Department:
Electrical
Product Group:
A-Line Bulbs
Light Technology:
LED

RAB ST19-5-E26-927-F-C – Frequently Asked Questions

1) Will the RAB ST19 LED filament bulb fit a standard medium screw socket?
The ST19 uses an E26 medium base, so it threads into the same socket as a standard household or commercial A-lamp with no adapter. It runs on 120V line voltage and draws 0.06A at 120V, so it drops straight into existing 120V fixtures, pendants, and chandeliers.
2) What is the difference between the 3W and 5W RAB ST19 filament bulbs?
Wattage is the only ordering choice on the RAB ST19 clear filament lamp: model ST19-3-E26-927-F-C at 3W and ST19-5-E26-927-F-C at 5W. Both are 2700K, clear glass, E26 base, 120V. Pick the 5W where you want more output from the same fixture and the 3W where the lamp is decorative and you are running a lot of them on one circuit.
3) Are RAB ST19 LED filament bulbs Energy Star certified for a utility rebate or a green spec?
Yes, the ST19 clear filament lamp is Energy Star certified, and RAB publishes the certificate for the 3W E26 2700K clear version. That is the documentation an institutional or MRO buyer needs when a project spec or a utility rebate program requires Energy Star listed lamps.
4) Is the RAB ST19 filament bulb warm enough to match existing incandescent lamps in a lobby?
At 2700K it reads as warm white, the same range as the incandescent and halogen lamps most hospitality and residential spaces were originally lamped with. Clear glass leaves the filament visible, so it looks right in exposed pendants and open chandeliers rather than washing out like a frosted lamp.
5) How often will I have to relamp RAB ST19 LED filament bulbs in a hotel or restaurant?
Rated lamp life is 15,000 hours. In a space burning roughly 12 hours a day that is about 3.4 years of service before rated end of life, which is why these get specified in high-ceiling pendants and chandeliers where access is the real cost. A constant current driver in the lamp keeps output stable over that life.
6) Will these LED filament bulbs flicker on camera or bother occupants?
Flicker is rated at under 30 percent, and the lamp runs on a constant current driver rather than a cheap resistive supply, which is what holds the output steady. That matters in offices, retail, and any space where security cameras or phone video are in use.
7) Do I need a special dimmer or transformer for the RAB ST19 E26 filament bulb?
No extra gear. The ST19 is a line voltage lamp at 120V with the driver built in, drawing 0.06A at 120V, so it wires like any standard screw-base bulb. No remote transformer and no low voltage supply.
8) Can I use a clear ST19 filament LED in an enclosed or frosted fixture?
You can, but you lose the reason to buy it. The clear glass exists to show the filament, so it belongs in exposed sockets, open pendants, and chandeliers. If the lamp sits behind a diffuser where nobody sees it, a frosted A-line lamp does the same job for the same energy.
How fast can I get the RAB ST19-5-E26-927-F-C 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 RAB ST19-5-E26-927-F-C come with a warranty?
Absolutely. The RAB ST19-5-E26-927-F-C 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 RAB ST19-5-E26-927-F-C?
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 RAB ST19-5-E26-927-F-C from ZenSupply?
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