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Dynamic Lamps

3.5V Replacement Medical Scope Lamp for Welch Allyn 03100-U
4.8 (16 reviews)
8.49 USD
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Match Welch Allyn lamp reference 03100-U / 03100 on your existing bulb or equipment documentation. This is a compatible replacement lamp, not a Welch Allyn OEM-branded bulb. Different Welch Allyn heads can require different lamp codes even when they use a 3.5 V handle.

In stock now. Dynamic Lamps currently has inventory of this single replacement lamp.

Need help confirming fit? Email help@dynamiclamps.com with the instrument model and a clear photo of the original bulb marking and base.

Specifications

Compatible replacement for Welch Allyn 03100-U

Lamp reference 03100-U / 03100
Brand status Compatible replacement; not Welch Allyn OEM
Quantity One lamp per unit
Technology / nominal voltage Halogen / 3.5 V
Nominal power 2.52 W
Base / form Small screw base; TL-1.5 clear lamp
Rated average life 20 hours
Maximum overall length / diameter 20 mm / 6 mm

Other identifiers used to search for this lamp

994 · 8000017 · 99-5014 · CA994 · CL994 · CESS-2976-00 · WA-31 · WA-03100-U · 03100U · BO03100. These search references are not separate manufacturer approvals.

Equipment compatibility

Models associated with the 03100-U lamp reference

The following Welch Allyn model references appear in existing catalog and lamp-reference documentation. Check the specific instrument head and installed bulb because revisions can differ; a 3.5 V handle alone does not establish which lamp fits.

  • Welch Allyn 20000
  • Welch Allyn 20200
  • Welch Allyn 20202
  • Welch Allyn 21700
  • Welch Allyn 25000
  • Welch Allyn 25020
  • Welch Allyn 25200
  • Welch Allyn 26538
  • Welch Allyn 27000
  • Welch Allyn 27050
  • Welch Allyn 28100
  • Welch Allyn 41100
  • Welch Allyn 43300
  • Welch Allyn 73500

Model 73500 is a handle adapter reference, not a standalone bulb location. Verify the attached instrument head's lamp requirement.

Brand alternatives

OEM and other options

This listing is the compatible replacement. If your service documentation requires a genuine Welch Allyn OEM 03100-U lamp, confirm OEM availability with us before ordering; we are not representing this generic lamp as OEM.

Documentation & safety

Fit guidance

Power off and cool the instrument before replacing the lamp. Compare the old bulb's code, screw base, and envelope size; follow the instrument manufacturer's replacement procedure. Do not touch the halogen envelope with bare fingers.

Welch Allyn lamp-reference chart