1. Introduction
Thank you for choosing PHILIPS LED PAR38 Dimmable Light Bulbs. These high-lumen 45W equivalent PAR38 LED reflectors are designed to provide extra brightness for various applications, including large rooms or high ceilings. They offer a bright white light at 3000K and are fully dimmable to create your desired ambiance. Philips EyeComfort criteria ensure a quality, comfortable light experience with no visible flicker or glare.

Image 1.1: PHILIPS LED PAR38 4-Pack Bright White (3000K) Light Bulbs and packaging.
2. Safety Information
- Always turn off power to the fixture before installing, removing, or inspecting the bulb.
- Do not use with standard dimmers unless specifically rated for LED compatibility. Use with compatible LED dimmers for optimal performance.
- Do not disassemble the bulb. There are no user-serviceable parts inside.
- Avoid direct exposure to water if the fixture is not rated for wet locations. These bulbs are suitable for wet locations.
- Ensure the bulb is securely screwed into the socket to prevent electrical hazards.
- Do not exceed the maximum wattage rating of your fixture.
3. Setup and Installation
- Ensure the power to the light fixture is turned off at the circuit breaker or wall switch.
- Carefully remove the old bulb from the fixture. Allow it to cool if it was recently in use.
- Screw the PHILIPS LED PAR38 bulb into the E26 medium base socket. Turn clockwise until snug, but do not overtighten.
- Restore power to the fixture.
- Turn on the light switch to verify proper installation.
These LED bulbs are suitable for both indoor and outdoor use, including wet locations, making them versatile for various lighting needs.

Image 3.1: PHILIPS LED PAR38 bulbs installed in a typical ceiling fixture.

Image 3.2: A PHILIPS LED PAR38 bulb being screwed into an outdoor landscape lighting fixture.
4. Operating Instructions
Dimmable Functionality
These PHILIPS LED PAR38 bulbs are fully dimmable, allowing you to adjust the light output from 100% down to 10% of full brightness. For optimal performance and to avoid hum or flicker, use these bulbs with compatible LED dimmers. Refer to your dimmer's instructions for specific compatibility and operation.
EyeComfort Technology
PHILIPS EyeComfort LEDs are designed to be gentle on your eyes, minimizing visual discomfort. This technology ensures:
- No Visible Flicker: Reduces distraction and eye strain.
- Reduced Glare: Ensures comfortable viewing without harsh brightness.
- High Color Rendering: Provides accurate and vibrant colors in your environment.

Image 4.1: PHILIPS EyeComfort LEDs provide comfortable brightness for your eyes, ideal for activities like reading.

Image 4.2: Unlike older bulbs, PHILIPS EyeComfort LEDs are designed to eliminate visible flicker.

Image 4.3: PHILIPS EyeComfort LEDs reduce unwanted glare for a more pleasant lighting experience.
5. Maintenance
PHILIPS LED PAR38 bulbs require minimal maintenance. Follow these guidelines for optimal performance and longevity:
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid or abrasive cleaners.
- Replacement: These bulbs have a long lifespan of up to 15,000 hours. Replace the bulb when its light output significantly diminishes or it ceases to function.
- Storage: If storing bulbs, keep them in their original packaging in a cool, dry place.
6. Troubleshooting
If you encounter issues with your PHILIPS LED PAR38 bulb, refer to the following common troubleshooting steps:
- Bulb does not light up:
- Check if the power switch is on.
- Ensure the bulb is securely screwed into the socket.
- Verify that the circuit breaker for the fixture is not tripped.
- Test the bulb in a different, known-working fixture.
- Bulb flickers or hums:
- Ensure you are using an LED-compatible dimmer switch. Incompatible dimmers can cause flickering or humming.
- Check if the bulb is fully screwed into the socket. A loose connection can cause instability.
- If using multiple bulbs on one dimmer, ensure the total wattage is within the dimmer's specified range.
- Light output is too low or too high:
- Adjust the dimmer switch to your desired brightness level.
- Confirm the bulb's specifications match your lighting needs.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | PHILIPS |
| Model Name | 5.5PAR38/PER/930/G/E26/F40/D/ULW/T 2/2CT |
| Item Model Number | 576876 |
| Light Type | LED |
| Wattage | 5.5 Watts |
| Incandescent Equivalent Wattage | 45 Watts |
| Brightness | 500 Lumens (Note: Product title states 500 Lumen, specifications list 4500 lumen, using product title for consistency) |
| Color Temperature | 3000 Kelvin (Bright White) |
| Bulb Shape Size | PAR38 |
| Bulb Base | E26 (Medium) |
| Dimmable | Yes |
| Voltage | 120 Volts |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Color Rendering Index (CRI) | 90 |
| Average Life | 15,000 Hours (up to 15 years with average use) |
| Indoor/Outdoor Usage | Indoor, Outdoor (Suitable for wet locations) |
| Material | Glass |
| Unit Count | 4.0 Count |
8. Warranty and Support
Warranty Information
This PHILIPS LED PAR38 bulb is covered by a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact PHILIPS customer support. Refer to the PHILIPS website or product packaging for the most current contact information.
You can also visit the official PHILIPS Lighting LED store for more information: PHILIPS Lighting LED Store