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Philips UHP bare projector bulb, compact glass arc tube with metal electrodes, clear finish

Hitachi, Ltd.

Hitachi, Ltd. DT01021 Philips UHP 210W 140W .8 E19.4 bare bulb

SKU CH-9S1Y-51EBB

Genuine Philips UHP 210W-140W bare bulb with .8 arc and E19.4 reflector for Hitachi DT01021 projectors

  • TypeProjector Lamps
  • Genuine Philips UHP technology delivers superior light output
  • 210W to 140W power range matches original projector specifications
  • 8 mm arc length ensures correct ignition parameters
  • E19.4 reflector shape fits Hitachi DT01021 cooling design
  • Bare bulb format replaces the lamp without cage assembly

Genuine Philips UHP bare bulb for Hitachi DT01021

This bare bulb replaces the lamp in a Hitachi DT01021 projector. It is a genuine OEM Philips component manufactured to match the original cooling setup and driving mode. The bulb delivers the specified power range and arc parameters required by the projector. It is intended for users who need a direct replacement without the cage assembly.

Upgrade from a dim or flickering lamp

A worn lamp that shows reduced brightness, colour shift or unstable ignition is the condition this bulb addresses. The jump is worth it when the existing lamp no longer provides uniform light distribution or has reached the end of its rated life. Installing this genuine Philips UHP bulb restores the projector's original luminance and reliability. It is not for buyers who require a complete lamp module with housing included.

Sustained output with correct thermal matching

Under continuous operation the bulb maintains stable output because its cooling requirements and ignition parameters match the OEM specification. The 0.8 mm arc and E19.4 reflector shape ensure consistent light distribution during extended use. Philips UHP technology supports long lamp life and reduces the risk of overheating or premature lumen decay. The 210W and 140W power characteristics are sustained when the projector's cooling system functions as designed.

Highlights

  • Genuine Philips UHP technology delivers superior light output
  • 210W to 140W power range matches original projector specifications
  • 8 mm arc length ensures correct ignition parameters
  • E19.4 reflector shape fits Hitachi DT01021 cooling design
  • Bare bulb format replaces the lamp without cage assembly

Specifications

BrandHitachi
TypeProjector Lamps

Questions about this item

What projector model does the .8 mm arc bare bulb fit?

The Philips UHP 210-140W bare bulb is compatible with the Hitachi DT01021 projector.

How is the bare bulb installed and what step is often missed?

The bare bulb installs inside the existing cage assembly; the critical step is seating the .8 mm arc lamp precisely so the reflector aligns with the E19.4 mount.

When will the Philips UHP 210-140W bulb need replacement?

Replace the bulb when brightness drops noticeably or the projector indicates end of lamp life; genuine Philips UHP technology is rated for long lamp life to reduce maintenance frequency.

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