Philips LED GU5.3 Spot - White

Upgrade your lighting with the Philips LED GU5.3 reflector bulb. Designed to replace a standard 50...

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eBayPhilips LED Bulb GU5.3 7W=50W Warm White 5.05x4.45cm 1pc
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Rapid Online - Rapid Electronics Ltd.Philips 77403500 LED Bulb GU5.3 7W=50W Warm White 5.05x4.45cm 1pc
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Product Information

Full details

The Philips LED GU5.3 reflector bulb is an ideal choice for homeowners looking to upgrade their 50W halogen MR16 spots to energy-efficient LED technology without sacrificing ambiance. Designed for indoor use, this 7W bulb features WarmGlow technology that dims from a standard 2700K to a cozy 2200K, creating a versatile lighting experience for any room; however, users should ensure they have a compatible 12V LED-ready dimmer switch to achieve flicker-free performance.

All features

ColourWhite
Energy EfficiencyF
Model Part Number8718699774035
BrandPhilips by Signify

Extended Product Information

FAQs

Can I use this bulb in a standard 230V socket?

No, this is a 12V bulb designed for MR16 fixtures. Using it with higher voltage will cause immediate damage.

What does WarmGlow mean?

WarmGlow is a technology that allows the LED to mimic the behavior of a traditional incandescent lamp, meaning the light gets warmer in color temperature as you turn it down.

Is this bulb mercury-free?

Yes, this product is completely free of heavy metals including mercury.

What is the beam angle of this bulb?

This bulb features a 36-degree beam angle, providing a focused, directional light ideal for spots and accents.

How long will this bulb last?

It has a rated lifetime of 15,000 hours, which equates to approximately 15 years based on average daily use of 2.7 hours.

Does it work with any dimmer?

It is designed to work with most dimmers, but for the best experience, we recommend using a leading or trailing edge dimmer specifically tested for LED compatibility.

Troubleshooting

Bulb flickers when dimmed

Check if your wall dimmer switch is compatible with LED bulbs. Standard halogen dimmers often cause instability with low-wattage LEDs.

Bulb does not light up

Ensure the 12V transformer in your ceiling or fixture is compatible with LED power requirements and check that the pins are fully seated in the socket.

Dimming range feels restricted

Verify that your dimmer's minimum load requirements are met, as the 7W draw of this bulb may be below the threshold of older, high-wattage dimmers.

Pros and Cons

Pros

  • WarmGlow dimming creates a cozy atmosphere
  • High energy efficiency with 50W equivalent output
  • Long lifespan of 15,000 hours
  • Provides instant full brightness
  • Mercury-free construction

Cons

  • Requires 12V AC electronic compatible dimmers
  • Not intended for outdoor moisture-exposed fixtures
  • Specific GU5.3 base limits compatibility to existing MR16 track or spot systems

Setup, Compatibility & Care

This bulb is a 12V system and requires a compatible 12V transformer or electronic power supply. Before installation, ensure your existing fixture supports the GU5.3 base and that your dimming switch is rated specifically for LED loads.

  1. Ensure the power is completely turned off at the main breaker or wall switch.
  2. Allow the existing halogen bulb to cool completely before removal.
  3. Carefully align the two pins of the GU5.3 base with the socket and push/twist gently until seated.
  4. When cleaning, use only a dry, soft cloth while the bulb is off and cool; do not use liquid cleaners or aerosols directly on the glass surface.

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