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PHILIPS  |  SKU: 215363

Philips MHN-TD Double Ended Metal Halide Light Bulb RX7s 150W/842

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Light Bulb Fittings

The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.

Check fitting guide

Colour Temperature

Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.

Check details of colour temperature

Equivalent Wattages Between Different Light Bulbs

As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.

Check table chart

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  • The Philips MHN-TD 150W lamp quartz discharge tube contains high-pressure mercury and a mixture of dysprosium, holmium and thallium halides (MHN-TD), or tin iodide (MHW-TD), with sodium thallium added for colour correction and arc stabilization.
  • It's a double-ended lamp housed in a tubular clear UV-block quartz evacuated outer envelope.
  • All types are UV-block for reduced health and fading risks.



  • Fitting/Base: RX7s
  • Wattage: 150W
  • Voltage: 108V
  • Colour Temperature: 4200K
  • Colour Code: 842
  • Luminous Flux: 12,500lm
  • Nominal Current: 1.8A
  • Life Span: 12,000H
  • UV Protection: Yes
  • Maximum Permitted Pinch Temperature: 350 °C
  • Burning Position: p45
  • Over All Length: 135.4mm
  • Light Center: 17.8mm
  • Width: 23mm

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Philips MHN-TD Double Ended Metal Halide Light Bulb RX7s 150W/842

Philips MHN-TD Double Ended Metal Halide Light Bulb RX7s 150W/842




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