Xcortech - XET304u MOSFET for AEG Airsoft Guns

Xcortech - XET304u MOSFET for AEG Airsoft Guns

So, is a MOSFET upgrade really worth it for your airsoft AEG? If you’re still running stock wiring, the Xcortech XET304u is one of those small upgrades that makes a noticeable difference straight away. It’s compact, efficient, and built to protect your trigger contacts while giving your rifle a sharper, more responsive feel on every shot.

In a standard airsoft setup, electrical current passes directly through the trigger contacts, which over time can cause arcing and wear. The XET304u solves that by redirecting the load through its MOSFET system, reducing stress on your internals and improving long-term reliability. With support for up to 30V input and a hefty 200A current capacity, it’s more than capable of handling everything from basic skirmish builds to more demanding high-performance setups.

What really stands out is the ultra-low internal resistance—around 0.00095Ω—which means more efficient power transfer with less heat build-up. In practical terms, that translates to faster trigger response and better battery efficiency. The dual MOSFET driver ensures quick switching, while built-in back-EMF protection helps guard against voltage spikes from the motor, keeping your system safe under load.

Thanks to its small footprint (roughly 30 x 14 x 4.7mm), installation is straightforward, even in tighter gearboxes or compact builds. Whether you’re upgrading your airsoft rifle for performance or just want to protect your trigger system, this MOSFET is a simple, effective upgrade that delivers real results without overcomplicating your setup.

It’s not the flashiest upgrade—but it’s one you’ll feel every time you pull the trigger.

Highlights

• Compact MOSFET unit for airsoft AEG upgrades 
• Supports up to 30V input voltage and 200A current
• Ultra-low internal resistance (~0.00095Ω) for efficient power flow
• Dual MOSFET driver design for improved trigger response
• Protects trigger contacts from electrical wear and arcing
• Built-in back-EMF protection against voltage spikes
• Improves battery efficiency and consistency
• Small size for easy installation in most gearboxes

What's Included

• 1 x Xcortech XET304u MOSFET Unit 
• Heat-shrink tubing for installation
• Compact wiring setup
• Protective insulation components

Technical Specifications

• Brand: Xcortech
• Model: XET304u
• Input Voltage: Up to 30V
• Maximum Current: 200A
• Internal Resistance: Approx. 0.00095Ω
• Dimensions: Approx. 30 x 14 x 4.7 mm
• Application: Airsoft AEG electrical upgrade
• Compatibility: Suitable for most AEG platforms