Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 245 mm, gallium-doped (Ga). Also listed as Theimer TH 3500 A, Heraeus 80009033 and 7 more part numbers.
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.
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.
| Brand | Part number(s) |
|---|---|
| Theimer | TR 3500 A · TH 3500 A |
| Heraeus | 80009033 · RQ 5435 Z1 |
| Kuehnast | JGMH 3510-0 |
| Polygraph | CP 950 · 42664 · 42663 |
| Stock | 42664 · 42663 |
Shown for navigation only — a lamp only fits if length, base and doping all match your unit.
In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 10 part numbers: Theimer TR 3500 A, Theimer TH 3500 A, Heraeus 80009033, Heraeus RQ 5435 Z1, Kuehnast JGMH 3510-0, Polygraph CP 950, Polygraph 42664, Stock 42664, Stock 42663, Polygraph 42663. Confirm the length, base and doping of the lamp in your unit before ordering.
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.
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.
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.