The Fairchild/ON Semiconductor FDU6512A is a MOSFET transistor that comes in a TO-251-3 Short Leads, IPak, TO-251AA package. It has a N-Channel polarity and a drain-source breakdown voltage of 20V.

• Continuous Drain Current: 10.7A (Ta), 36A (Tc) @ 25°C
• Maximum Rds On: 21 mOhm @ 10.7A, 4.5V
• Gate-Source Threshold Voltage: 1.5V @ 250μA
• Maximum Gate Charge: 19nC @ 4.5V
• Maximum Input Capacitance: 1082pF @ 10V
• Maximum Gate-Source Voltage: ±12V
• Power Dissipation (max): 3.8W (Ta), 43W (Tc)
• Status: Obsolete(EOL)
• Temperature Range - Operating: -55°C to 175°C (TJ)
• Drive Voltage (max Rds On, Min Rds On): 2.5V, 4.5V

Its supply and demand status is limited.