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Ushio MHL-5020 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 247 mm, gallium-doped (Ga). Also listed as Ushio 5000126, Theimer TR 5020 and 9 more part numbers.

Power6,000 W (published figures differ between sources — confirm on the label)
DopingGallium-doped (Ga)
Overall length (mm)247 (US distributor catalogue); 244mm (Alpha-Cure Amba AM614X); 245mm (Alpha-Cure Theimer TH5020)
Arc / lighted length (mm)156mm (Alpha-Cure Amba AM614X); 155mm (Alpha-Cure Theimer TH5020)
Tube diameter (mm)28mm (Alpha-Cure Amba AM614X); 28mm (Alpha-Cure Theimer TH5020)
Base / connectionPinch seal (Alpha-Cure Amba AM614X); Pinch seal (Alpha-Cure Theimer TH5020)
Doping / spectrumGa (gallium-doped)
Rated life (h)600 (US distributor catalogue typical/warranty)

Need a replacement for the Ushio MHL-5020?

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)
UshioMHL-5020 · 5000126
TheimerTR 5020 · TH 5020
SylvaniaMO 60
Sack200 126
PhilipsHPM 4020
Klimsch659 7350 · 6000 W OL
HeraeusQ 6136 Z1
AmbaAM 614 X · AM 2380

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.

Ushio MHL-5020S · 247 mmTheimer TH 5020 · 249 mmTheimer TR 3500 A · 245 mmTheimer TR 2060 · 245 mmUshio MHL 4000/U2 · 241 mmTheimer TR 4120 · 240 mmTheimer TH 5490 · 254 mmAmergraph MP3000T8/6J · 240 mm

Frequently asked

Which part numbers are listed for the same lamp as the Ushio MHL-5020?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 12 part numbers: Ushio MHL-5020, Ushio 5000126, Theimer TR 5020, Sylvania MO 60, Sack 200 126, Philips HPM 4020, Klimsch 659 7350, Klimsch 6000 W OL, Heraeus Q 6136 Z1, Amba AM 614 X, Amba AM 2380, Theimer TH 5020. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Ushio MHL-5020?

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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