1. Product Overview
This manual provides essential information for the installation, operation, and maintenance of your Philips 16T8/LED/48-850/IF18/G LED Light Bulb.
Product Description
The Philips 16T8/LED/48-850/IF18/G is a 16-watt, 48-inch T8 LED light bulb designed for direct replacement of traditional fluorescent T8 lamps. It features a Medium Bi-Pin (G13) base, emits 5,000K Daylight white light, and has a frosted glass finish. This bulb is ballast compatible (InstantFit) and is non-dimmable.
Key Features
- Wattage: 16 watts
- Length: 48 inches
- Bulb Shape Size: T8
- Base Type: Medium Bi-Pin (G13)
- Color Temperature: 5,000K (Daylight White)
- Brightness: 1800 Lumens
- Color Rendering Index (CRI): 80
- Average Lifetime: 36,000 hours
- Special Features: Frosted glass, Ballast Compatible (InstantFit), Non-Dimmable

Image: Philips 16T8/LED/48-850/IF18/G LED Light Bulb, showing its cylindrical shape and bi-pin base.
2. Safety Information
Please read and understand all safety instructions before installing or using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- WARNING: Risk of Electric Shock. Always turn off power to the fixture at the circuit breaker or fuse box before installation, removal, or inspection.
- This lamp is designed to operate with an electronic ballast. Do not use with magnetic ballasts.
- Do not disassemble or modify the lamp. There are no user-serviceable parts inside.
- Do not use in totally enclosed luminaires unless specified.
- Suitable for damp locations. Not for use where directly exposed to water.
- This device is not intended for use with emergency exits.
- Ensure the fixture is properly grounded.
- Handle the bulb by its ends, avoiding direct contact with the glass surface.
3. Setup and Installation
This Philips LED T8 bulb is designed for "InstantFit" installation, meaning it can be directly installed into existing fluorescent fixtures that use compatible electronic ballasts without rewiring.
Installation Steps:
- Turn Off Power: Locate the circuit breaker or fuse box that controls the power to the lighting fixture. Turn off the power completely to prevent electric shock. Verify power is off using a voltage tester.
- Remove Existing Lamp: Carefully remove the existing fluorescent T8 lamp from the fixture. Rotate the lamp 90 degrees and gently pull it out of the lampholders.
- Insert LED Lamp: Align the pins of the Philips LED T8 bulb with the slots in the lampholders. Insert the pins into the slots and rotate the bulb 90 degrees until it clicks securely into place. Ensure both ends of the bulb are firmly seated.
- Restore Power: Once the LED bulb is securely installed, restore power to the fixture at the circuit breaker or fuse box.
- Test: Turn on the light switch to confirm the LED bulb is functioning correctly.
Note: If the LED bulb does not light up, ensure it is properly seated and that the fixture's electronic ballast is compatible. Refer to the ballast manufacturer's specifications for compatibility.
4. Operating Instructions
Operating the Philips 16T8/LED/48-850/IF18/G LED Light Bulb is straightforward:
- Simply turn on the light switch connected to the fixture to illuminate the bulb.
- Turn off the light switch to turn off the bulb.
- This bulb is non-dimmable. Do not attempt to use it with dimmer switches, as this may damage the bulb or the dimmer.
- The bulb provides instant full brightness upon switching on, with no warm-up time.
5. Maintenance
The Philips LED T8 bulb requires minimal maintenance due to its long lifespan and durable construction.
- Cleaning: To clean the bulb, ensure the power is turned off at the circuit breaker. Allow the bulb to cool completely. Gently wipe the frosted glass surface with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners or solvents.
- Replacement: Replace the bulb only when it reaches the end of its operational life. Follow the installation steps in Section 3 for replacement.
- No User-Serviceable Parts: Do not attempt to open or repair the bulb. Doing so will void any warranty and may pose a safety risk.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. |
|
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| Bulb flickers or dims. |
|
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7. Specifications
| Attribute | Value |
|---|---|
| Brand | PHILIPS |
| Model Number | 542092 |
| Light Type | LED |
| Wattage | 16 watts |
| Bulb Shape Size | T8 |
| Bulb Base | G13 (Medium Bi-Pin) |
| Light Color | Daylight White |
| Color Temperature | 5000 Kelvin |
| Brightness | 1800 Lumen |
| CRI | 80 |
| Average Lifetime | 36,000 hours |
| Material | Glass |
| Special Feature | Frosted, Non Dimmable |
| Connectivity Technology | Normal bulb |
| UPC | 046677542092 |
8. Warranty and Support
Specific warranty information for the Philips 16T8/LED/48-850/IF18/G LED Light Bulb is typically provided with the product packaging or can be found on the official Philips lighting website. Please retain your proof of purchase for warranty claims.
For technical support, product inquiries, or warranty service, please contact Philips customer support through their official channels. You can usually find contact information on the Philips website or on the product packaging.
Online Resources:
- Visit the official PHILIPS Store on Amazon for more products and information.
- Check the Philips Lighting global website for support and product documentation.