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Hamamatsu 10W HQ (high quality) xenon flash lamp is compact with high stability at a reasonable price.  The lamp outer diameter is 20 mm which is the smallest size Hamamatsu xenon flash lamp. There are two window shapes available: flat and hemispherical.

This item is equivalent to the Excelitas FX1100 series.


  • Chemical Analysis,
  • Biological Research,
  • Factory Automation,
  • Environmental Analysis.


  • Instantaneously high peak output,
  • High-intensity, continuous line spectra from UV to IR,
  • High stability; Fluctuation (p-p): 1.0 % Typ.,
  • Long service life: 1 x 109 flashes,
  • Less heat buildup:
    • Minimal thermal damage to samples,
  • No warm-up required,
  • Color temperature: 15000 K,
  • Compact size,
  • Point light source (1.5 mm gap type).





Part No.

Arc Size (mm)

Lamp Shape

Window Material

Spectral Distribution (nm)

Recommended Supply Voltage (V dc)

Trigger Voltage p-p (kV)

Max. average input (Continuous) (W)

Max. average input energy [Single] (J/flash)

Repetition rate Max. (Hz)

Light output stability Max. (%)

Life Min. (flash)

Applicable trigger sockets

L4644 3 1-A Hemispherical UV Glass 185 to 2000 700 to 1000 5 to 7 10 0.1 100 3 1 x 109    flash E2418 & E6188
L4646 2-A Flat
L4645 1-A Hemispherical Borosilicate Glass 240 to 2000
L4647 2-A Flat
L4640 1.5 1-B Hemispherical UV Glass 185 to 2000 3.5 E2442 & E6186
L4642 2-B Flat
L4641 1-B Hemispherical Borosilicate Glass 240 to 2000
L4643 2-B Flat



Current Stock:
HAM L4600 Series
1.00 LBS
1.00 (in)
1.00 (in)
1.00 (in)
Manufacturer's Warranty: The manufacturer warrants its products to be free of detects in materials and workmanship for the stated period from date of original purchase invoice. All warranties or merchant ability and fitness for any purpose and all other warranties, expressed or implied, except those expressly set forth herein, are deemed waived and excluded. Manufacturer's duty under the warranty is limited to replacement and/or repair of the defective part at their exclusive option. Seller shall not be liable for any expenses or damages incurred by the purchaser except as expressly set forth herein, and in no event shall seller or manufacturer be liable for any special, incidental or consequential damages of any kind. This warranty does not supersede any statutory rights that may be available in certain countries. The foregoing manufacturer's warranty of shall be voided, and of no force and effect if buyer has modified or damaged the product.

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