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Olec L1261 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 190 mm. Also listed as Alpha Cure ACP-0954, Theimer TR 5167 and 13 more part numbers.

Power5,000 W
Overall length (mm)190 (US distributor catalogue); 189mm MOL (Ushio)
Arc / lighted length (mm)102mm lighted length (Ushio)
Tube diameter (mm)28mm (Ushio)
Base / connectionCeramic base, Spade Tongue contact (Ushio)
Doping / spectrumUS distributor catalogue spectrum code 'Red' (dopant not stated); Ushio: 350-370nm Photo-Polymer
Rated life (h)600 (US distributor catalogue typical/warranty); 500 average (Ushio)

Need a replacement for the Olec L1261?

Send the part number, a photo of the old lamp and your exposure unit model. We check length, base, doping and power and quote within 24 hours.

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Part numbers listed for this lamp

The same lamp — same overall length and spectrum — appears under all of these numbers in published replacement-lamp catalogues. Brand names identify the original part only.

BrandPart number(s)
OlecL1261
Alpha CureACP-0954
TheimerTR 5167 · TH 5167
FabconL1261
LichtzenLMX5K-C
KawaH.0515
Ushio5000090 · 25270941 · MHL-261L
BLVMHL-261L · 25270941
Kuehnast2210-7
Bacher9602-572
Cure UV191140
AmbaAM 1657 X

Equipment this lamp is listed for

Other exposure lamps with the same doping and similar length

Shown for navigation only — a lamp only fits if length, base and doping all match your unit.

Olec L 1250 · 190 mmOlec L 1252 · 190 mmOlec AL 83 · 248 mmOlec L1282 · 248 mmOlec L1281 · 248 mm

Frequently asked

Which part numbers are listed for the same lamp as the Olec L1261?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 16 part numbers: Olec L1261, Alpha Cure ACP-0954, Theimer TR 5167, Fabcon L1261, Lichtzen LMX5K-C, Kawa H.0515, Ushio 5000090, Theimer TH 5167, BLV MHL-261L, Ushio 25270941, Kuehnast 2210-7, BLV 25270941, Bacher 9602-572, Cure UV 191140, Amba AM 1657 X, Ushio MHL-261L. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Olec L1261?

Yes — send the part number on your old lamp, a photo of its label and ends, and your exposure unit model. We check overall length, base, doping and power against the original before we quote, and quote within 24 hours.

Why does the doping matter?

The metal added to the mercury fill (iron, gallium or none) sets which UV and violet wavelengths the lamp emits. Your dry film, solder mask, screen emulsion or printing plate is sensitised to particular wavelengths, so the replacement should carry the same doping as the original.

Safety: metal-halide exposure lamps contain mercury and emit strong UV. Never run one outside its housing, wear UV-blocking eye protection when servicing, handle with gloves, and return used lamps for mercury recycling.

Specifications and cross-references compiled from published lamp-maker data (Ushio, Alpha-Cure) and a US replacement-lamp distributor's catalogue. Where sources differ the values are shown side by side. Data is given for identification only — verify against your unit's manual. Lamps supplied by Kilowatt Lamps are compatible replacements and are not made by or affiliated with the brands named.

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