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Dynamic Lamps

2.5V Replacement Medical Ophthalmoscope Lamp for Welch Allyn 03900-U
3.6 (14 reviews)
8.99 USD
Shipping calculated at checkout.
In stock

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Need help confirming compatibility? Ask us before ordering.

Shipping calculated at checkout · 30-day returns on unused items

Confirm before ordering

Match manufacturer code 03900-U, 2.5V, or the exact manufacturer marking on the lamp, equipment label, or service documentation. A lamp with the same wattage and voltage is not necessarily interchangeable.

Specifications

Compatible Replacement Halogen Medical Ophthalmoscope Bulb for Welch Allyn 03900-U

  • Used in medical ophthalmoscopes
  • 1.65 Watt  2.5 Volt
  • Single Ended
  • Contact Base
  • T-1.5 Bulb Shape
  • 20 Hours Rated Average Life
  • Clear Lamp
  • .55 in (14.0 mm) Max Overall Length
  • .19 in (4.83 mm) Bulb Diameter
  • RoHS Compliant
  • Other part numbers, 03900, WA-03900-U, WA03900U, BO03900, CA1670
Equipment compatibility

Compatible-equipment references

The following established equipment references call for the 03900-U lamp reference. Equipment configurations and production revisions can vary; confirm that the installed system calls for manufacturer code 03900-U before ordering.

  • Welch Allyn 11110 Ophthalmoscope
  • Welch Allyn 12811 Ophthalmoscope
  • Welch Allyn 12821 Ophthalmoscope
  • Welch Allyn 13000 Ophthalmoscope
  • Welch Allyn 11100 Ophthalmoscope
  • Welch Allyn 11150 Ophthalmoscope
  • Welch Allyn 11200 Ophthalmoscope
  • Welch Allyn 12800 Ophthalmoscope
  • Welch Allyn 12810 Ophthalmoscope
  • Welch Allyn 12820 Ophthalmoscope
  • Welch Allyn 13010 Ophthalmoscope
  • Welch Allyn Pocket Scope Ophthalmoscope
Brand alternatives

Other stocked 03900-U options

These products share the 03900-U lamp-family reference. Manufacturer specifications and dimensions can vary slightly, so verify the installed lamp marking and equipment requirement before substituting.

No other exact cross-brand alternative is currently linked in our active catalog.

Documentation & safety

Documentation

Manufacturer documentation is not currently attached to this listing.

Safety

Disconnect power and allow the lamp to cool before handling. Keep the equipment's protective enclosure in place and follow the equipment manufacturer's installation and disposal instructions.

Specifications and equipment references were retained from the existing product record and organized for easier verification. Confirm the exact lamp code because equipment revisions can vary.

Need help matching this replacement lamp?

Use our specialty lamp matching guide, or send the full lamp markings and equipment model for help. For a quantity or repeat-order inquiry, include the exact part number, quantity, delivery postal code and requested timing.
  • 5 stars: 9 (64%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 5 (36%)
j
james a.
IS NOT COMPATIBLE WITH THE 390-U

DOES NOT WORK

K
Krystal B.
These lamps are said to

These lamps are said to fit a Welch Allyn ophthalmoscope, but they do not. Side-by-side with the manufacturer OEM part they are clearly larger and will not fit in the unit. Still trying to get these returned. I’ve heard they will send me a prepaid return receipt, but still haven’t gotten it.

M
Mohamed A.
It does not fit my

It does not fit my Welch Allyn Ref 13010 like it is said on the product’s description. I bought 4 of them

M
Matthew R.
Fast shipping, functional item!

Fast shipping, functional item!

K
Kalev K.
Those are very specific lamps,

Those are very specific lamps, but your service is excellent.

J
Jennifer W.
Doesn’t fit

This item does not fit the Welch allyn model 13010. The bulb is too big.

G
Glen B.
Replacement for small Welch Allyn ophthalmoscope bulb

Fits the ophthalmoscope. Cost effective replacement (much lower than buying directly from Welch Allyn).

J
Jose R.
perfect

perfect

F
Fernando B.
Great replacement

Outstanding service. I recommend this replacement to everybody who own a Welch Allyn 03900-U.

B
Bruce M.
Work great

Had trouble finding the light bulb for this ophthalmoscope. These work perfectly, and much less expense than another site.

L
Luis V.
as described

very good

C
Crystal G.
Great delivery time and product

Great delivery time and product was perfect

D
Dudley G.
Otoscope bulbs

Timely inexpensive and they worked!

K
Katheen B.
Welch Allyn replacement bulb for pocket ophthalmoscope

I purchased the 3900-U 2.5 replacement bulb for my Welch Allyn Pocket Ophthalmoscope model 11100. The generic bulb didn't fit.

I ordered a brand WA 3900-U and it fit perfectly.

The company sent the generic bulb as promised in a timely manner, however, don't waste your money on generic bulbs.