IRF640N N-Channel MOSFET Transistor 18A
Type Designator: IRF640
Type of Transistor: MOSFET
Type of Control Channel: N -Channel
Maximum Power Dissipation (Pd): 125 W
Maximum Drain-Source Voltage |Vds|: 200 V
Maximum Gate-Source Voltage |Vgs|: 20 V
Maximum Gate-Threshold Voltage |Vgs(th)|: 4 V
Maximum Drain Current |Id|: 18 A
Maximum Junction Temperature (Tj): 150 °C
Total Gate Charge (Qg): 55 nC
Drain-Source Capacitance (Cd): 2100 pF
Maximum Drain-Source On-State Resistance (Rds): 0.18 Ohm
Package: TO220
Resistor 220 Ohm 1/4W
Pulse Sensor Heart Rate
Coil inductor 150UH 8*10
Battery 3v CR2016 Small Coin Battery 5Pcs
Battery 3v CR2032 Small Coin Battery
IRFZ44N MOSFET Transistor N-channel 49A 55V 









