led r7s replacing linear tungsten halogen lamp

May 11, 2026

Swapping Out Your Tungsten Halogen Lamp? It’s More Than Just a Bulb Change

Let’s talk about replacing that old linear tungsten halogen lamp with an R7s LED unit. It’s not a simple bulb swap. It’s really about rethinking how the heat works. We built these units to slide right into the same spot as the original—that classic 300mm, or 12-inch, length. So you get a clean, drop-in fit without messing with your existing fixtures. And the driver electronics? They’re tough enough to handle high-voltage inputs, up to 400V, to match the power setup you already have in your industrial gear. That means it pulls the right wattage without tripping anything up.

The Quartz Tube and the R7s Connection

That old halogen lamp relied on a quartz envelope to hold the tungsten filament and halogen gas cycle. We kept that same sturdy quartz body in our replacement. It shields everything inside from shock and intense heat. Then there’s the R7s double-ended connector. It’s the standard for linear lamps, and for good reason. It locks in tight, even when things get hot and shaky. No slipping, even with constant vibration. This thing is built to survive the factory floor—the kind of place that chews up standard bulbs and spits them out.

Built for the Heat, But Plan for It

These lamps are made for high-heat density jobs—think PET bottle blowing or plastic welding. The halogen cycle keeps output steady over the life of the lamp, so you don’t get that annoying fade you see with regular incandescent bulbs. But here’s the trade-off: thermal management. A 2500W unit throws off a lot of ambient heat. You’ve got to make sure the machinery around it has proper cooling. If it doesn’t, the lamp can overheat and push past its operational limits.

Quick Look at the Specs

***Type:**Linear Tungsten Halogen Lamp ***Replacement:**Direct R7s LED compatible ***Voltage:**400V High Voltage Input ***Dimensions:**300mm (12 inch) Length ***Application:**PET Blowing, Industrial Heating