950703 - ESAB 85A 1200V Forward Rectifier Diode

Restore Your Welder's Power with the ESAB 950703 Diode

Is your welding machine acting up? Symptoms like a humming noise, weak arc, or a machine that trips the breaker immediately upon striking an arc can often point to a failed diode in the rectifier assembly. The ESAB 950703 Forward Diode is the heavy-duty replacement part you need to get your equipment back up and running. Rated for a substantial 85 Amps and 1200 Volts, this diode is built to handle the rigorous demands of professional welding shops and manufacturing floors.

Inside your welder, a team of diodes works together to smooth out the electrical current, providing the stable DC output necessary for smooth MIG, TIG, or Stick welding. When one diode fails—usually by shorting out—it disrupts the entire flow, putting massive stress on the transformer and remaining diodes. Replacing the faulty unit immediately is crucial to prevent a small repair from turning into a total machine replacement. This particular unit is a Forward Polarity diode, designed specifically to fit ESAB machines that call for part number 950703.

Why Choose Genuine Replacement Parts?

When repairing complex power sources, fit and specification are everything. The ESAB 950703 offers:

• Exact Electrical Match: With an 85A rating, it handles the high amperage of industrial welding without overheating.
• Surge Protection: The 1200V rating ensures the diode won't blow out from the voltage spikes common in welding circuits.
• Reliable Construction: Built to withstand the thermal cycling of repeated welding tasks.

Don't let downtime kill your productivity. Keeping a spare set of diodes on hand is a smart strategy for any shop relying on older or heavily used power sources. This diode is a direct replacement, meaning no modifications are needed to get it to fit. Simply remove the old, defective part, clean the mounting surface, apply a bit of thermal paste, and install the new ESAB 950703. It’s the professional's choice for reliable, long-lasting welder repair.