ترانزیستور IRF640 یک ماسفت از نوع N-CHannel با تحمل ولتاژ 200 ولت و جریان 18 آمپر و توان 150 وات می باشد.

MOSFET, N, 200V, 18A, D2PAK;
Transistor Polarity:N Channel;
Continuous Drain Current Id:18A;
Drain Source Voltage Vds:200V; 
On Resistance Rds(on):150mohm; 
Rds(on) Test Voltage Vgs:10V;
Threshold Voltage Vgs Typ:4V;
Power Dissipation Pd:150W;
Transistor Case Style:D2PAK; 
No. of Pins:3;
SVHC:No SVHC (20-Jun-2011); 
Current Id Max:18A;
Junction to Case Thermal Resistance A:1°C/W;
Package / Case:D2PAK;
Power Dissipation Pd:150W;
Power Dissipation Pd:150W; 
Pulse Current Idm:72A; 
Termination Type:SMD;
Voltage Vds Typ:200V; 
Voltage Vgs Max:4V; 
Voltage Vgs Rds on Measurement:10V; 
Voltage Vgs th Max:4V