Led Bulbs G40 Bulb 5W/4W
This serial of bulb is small and global type. It is a popular lighting product known for its energy efficiency and decorative appeal.
Product Overview
A compact global LED bulb designed for decorative fixtures such as pendant lights, wall sconces, and vanity lights. The G40 bulb uses a high-transmittance PC cover and branded LED chips to deliver flicker-free, instant-on lighting with energy efficiency. Available in 4W and 5W versions, it operates on AC85-265V or AC110V, with a beam angle of 190 degrees and colour temperatures from 2200K to 6500K. CRI is available at 80 or 90. The E17 base allows for easy replacement in standard fixtures. Dual colour options are available. Certified to CE, RoHS, FCC, SAA, and PSE.
Key Benefits
- Compact and decorative design fits in small fixtures like pendant lights and vanity sconces
- High-transmittance PC cover maximises light output and clarity
- Flicker-free operation ensures stable lighting without visual fatigue
- Instant-on performance with no warm-up delay
- Energy-efficient operation with 4W and 5W power options
- Dual colour temperature option available for different lighting moods
- Wide input voltage range AC85-265V / AC110V supports global use
- E17 base allows direct replacement in standard fixtures without adapter
Problems It Solves
- Halogen G40 bulbs consume more power and generate excess heat in small fixtures
- Low-transparency covers reduce light output and create a dim or yellowed appearance
- Flickering from low-quality drivers causes visual discomfort and affects video recording
- Slow warm-up time delays usability in frequently switched lighting applications
- Inconsistent colour temperature across batches affects design consistency
- Lack of dual colour options limits flexibility in multi-use spaces
- Non-compliant bulbs risk rejection in European and North American markets
Application Scenarios
- Vanity lighting in bathrooms and bedrooms where instant-on and consistent colour are needed
- Wall sconces in hallways, stairwells and lobbies for ambient and accent lighting
- Pendant lights in kitchens, dining areas and retail spaces for decorative and functional illumination
- Recessed or surface-mounted fixtures where a small, low-profile bulb is required
- Commercial spaces needing energy-efficient replacements for halogen G40 bulbs
- Residential lighting where dual colour temperature offers flexibility between warm and cool light
- Global installations where voltage compatibility across regions is critical
Who It Is For
- Overseas lighting distributors stocking decorative bulbs for residential and commercial projects
- Electrical wholesalers replacing halogen G40 bulbs with energy-efficient LED alternatives
- OEM/ODM brands integrating a compact bulb into custom fixture designs
- Contractors specifying a reliable, certified bulb for renovation or new build projects
Engineering Detail
Technical Features
- High-transmittance PC cover for maximum light output and clarity
- Branded LED chips ensure consistent performance and longevity
- Flicker-free operation with stable current drive
- Instant-on capability with no warm-up delay
- Wide input voltage range AC85-265V / AC110V for global compatibility
- Beam angle of 190 degrees for wide, even illumination
- Dual colour temperature option available for flexible lighting design
- E17 screw base for direct replacement in standard fixtures
Materials
- Aluminum housing for heat dissipation and structural stability
- High-transmittance PC cover for light output and durability
- Original branded LED chips for consistent performance
- E17 screw base for compatibility with standard fixtures
Specifications
Technical Data
Values taken from our product datasheet. Anything not listed here is confirmed per order.
| Model number | WK-BL-D33 |
|---|---|
| Size | ￠38*75 mm |
| Power | 4W / 5W |
| Lumens | 400 lm / 500 lm |
| Input voltage | AC85-265V / AC110V |
| Beam angle | 190° |
| CCT | 2200K-6500K |
| CRI | 80 / 90 |
| Base | E17 |
| Housing material | Aluminum |
| LED chip | Original branded LED chip |
| Dimming range | 5-100% |
| Certifications | CE, RoHS, FCC, SAA, PSE |
| Lifespan | Not specified in FACTS |
| Operating temperature | Not specified in FACTS |
Manufacturing Process
- LED chip assembly on the base with thermal management design
- PC cover installation to ensure high light transmittance
- Electrical testing for voltage, dimming, and flicker performance
- Final inspection and certification verification before packing
- Packaging for safe shipping and storage
Quality Control
- Products are 100% tested before delivery
- Branded LED chips and high quality raw materials used on the production line
- Colour temperature and CRI verified against the ordered specification
- Certifications CE, RoHS, FCC, SAA, PSE confirmed on each batch
Customization Options
- Dual colour temperature option available for different lighting needs
- LED quantity and power output set to 4W or 5W based on project requirements
- CRI 80 or 90 available depending on the application
- E17 base standard, but compatible with other bases if specified
- Custom packaging or labelling available upon request
Honest Comparison
How It Compares With the Alternatives
| Halogen G40 bulb | LED version uses less power, lasts longer, and generates less heat |
|---|---|
| Generic LED G40 bulb | Branded LED chips and higher transmittance PC cover improve light output and consistency |
| Bulb with plastic housing | Aluminum housing improves heat dissipation and durability |
Use Guide
Getting the Best Out of It On Site
- Use in fixtures rated for 4W or 5W to avoid overheating
- Ensure the fixture has proper ventilation, especially in enclosed spaces
- Select 2200K-3000K for warm ambient lighting in living areas
- Choose 4000K-6500K for task lighting in kitchens, bathrooms, or workspaces
- Use CRI 90 where accurate colour rendering is needed, such as in retail or makeup areas
- Ensure the fixture supports E17 base for direct replacement
- Avoid use in fully enclosed or poorly ventilated fixtures to prevent overheating
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Questions About Led Bulbs G40 Bulb 5W/4W
What is the minimum order quantity?
Small order quantities are accepted. Send the run lengths and profile size you need and we will confirm the minimum for that configuration.
Can the colour temperature and CRI be customised?
Yes. CCT from 2200K to 6500K is available, with CRI Ra 80 or 90 depending on the order.
Is this bulb dimmable?
Yes. It supports trial dimming from 5% to 100%.
What certifications does this bulb have?
It conforms to CE, RoHS, FCC, SAA, and PSE standards.
What voltage range does it support?
It operates on AC85-265V or AC110V, suitable for global use.
Is the PC cover durable?
Yes. The high-transmittance PC cover is designed for long-term clarity and impact resistance.
What base does it use?
It uses an E17 screw base, compatible with standard fixtures.
Request a Quote for Led Bulbs G40 Bulb 5W/4W
Send the quantity, colour temperature and any customisation you need. Our sales team will confirm the configuration, lead time and price.