COB LED Ceramic Filament 3V 38mm Multicolor 10PCS – DIY Edison Bulb
COB LED Ceramic Filament 3V 38mm Multicolor 10PCS – DIY Edison Bulb
Give your DIY lighting projects a professional edge with these 3V 38mm COB LED Ceramic Filaments. Coming in a pack of 10, these hard ceramic filaments are engineered for stable, long-lasting, flicker-free illumination — perfect for Edison-style bulbs, neon signs, holiday string lights, and creative art installations.
Made in Mainland China.
Why Choose These COB LED Filaments?
- Superior Thermal Stability: High-grade hard ceramic material effectively resists high temperatures and thermal deformation during extended operation, greatly reducing burnout risk and extending the service life of your lighting devices.
- Low-Voltage Energy Efficiency: Operates at a safe 3V low-voltage input with minimal heat loss, cutting down power consumption while keeping your DIY projects safe and efficient.
- High Structural Durability: The hard ceramic body offers far greater impact resistance than glass filaments — resistant to cracking or breaking during installation, transport, and daily use, lowering your long-term replacement costs.
- Uniform Flicker-Free Light Output: Precision-processed ceramic construction emits even, soft, and flicker-free light across all 7 color options, delivering eye-friendly illumination ideal for long-term decorative displays.
- Easy Installation & Wide Compatibility: Standard conductive metal pins at both ends make welding and assembly straightforward. Compatible with most 3V power supply systems, DIY neon signs, holiday string lights, and small electronic lighting modification projects.
Specifications
| Material | Hard Ceramic (filament body) + Conductive Metal (connecting pins) |
| Voltage | 3V (0–5V compatible) |
| Size | 38mm length |
| Colors Available | Yellow, Pale Yellow, Orange, Fluorescent Green, White, Translucent Orange, Transparent (7 options) |
| Quantity | 10 pieces per pack |
| Power Source | Solar / Low-voltage DC |
| Luminous Flux | <60 lm |
Applications
- DIY neon signs and art installations
- Holiday and party decorative string lights
- Edison-style bulb builds and repairs
- Home decoration lighting projects
- Small electronic device lighting modifications
Notes
- Product photos may not reflect actual size — please refer to specifications above for accurate dimensions.
- Allow slight differences due to manual measurement.
- Due to monitor variation, displayed colors may differ slightly from the actual item.
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Frequently Asked Questions
Q: What voltage do these COB LED ceramic filaments require?
A: These filaments are rated at 3V and are compatible with power supplies ranging from 0–5V. They are ideal for low-voltage DIY electronics and decorative lighting projects.
Q: Are these LED filaments compatible with standard Edison bulb bases?
A: Yes! With standard conductive metal pins at both ends, these 38mm ceramic filaments are easy to solder and fit most DIY Edison bulb builds, neon sign projects, holiday string lights, and small electronic lighting modifications.
Q: How many colors are available in this LED filament set?
A: There are 7 color options available: Yellow, Pale Yellow, Orange, Fluorescent Green, White, Translucent Orange, and Transparent. Each pack contains 10 filaments of your chosen color for consistent decorative displays.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.