38/78 Mosffet card

38/78 MOSFET Card

High-Efficiency Switching | Power Stage Control | Built for Inverter Welders

The 38/78 MOSFET Card is a power control board engineered to handle the switching operations of inverter-based welding machines. Designed to work with MOSFETs in the 38 or 78 configuration, this card plays a vital role in regulating current flow, voltage conversion, and heat dissipation, ensuring smooth and efficient welding machine operation.

Ideal for ARC, MIG, and TIG welders, this card is built for high durability, fast switching, and overload resistance.

🔧 Key Features:

• ⚡ Supports High-Frequency Switching – Ideal for efficient DC-AC or AC-DC conversion

• 🔁 MOSFET-Based Inverter Control – Stable and low-heat operation under load

• 🔒 Overload & Thermal Cutoff Protection

• 🔌 Multi-Connector Terminals – Easy integration with main board & control card

• 🧊 Built-In Heatsink Support Zones – Helps manage thermal output

• 🛡️ Insulated & Coated PCB Design – For long life in harsh conditions