The MTN3400N3 is a surface-mount MOSFET manufactured by CYSTECH. It is an N-Channel Trench 30V MOSFET with a rated drain current of 5.8A, a drain-source On-state resistance of 26 mO at 5.8A drain current, a gate threshold voltage of 1.4V (at 250uA gate current) and an RDS(on) or standby drain-source On-state resistance of 10V. It is made in an SOT-23 package, and is compliant to RoHS standards.