68 ohm 1% 1/4 Watt Resistor (Box of 5000) - MFR Bridge Rectifier Diode you can refer: A7860 Datasheet

you can refer: A7860 Datasheet

Transistor Inverter

The on-chip sampling clock and modulator data are encoded and transferred beyond the isolation border

2SK2225 has a rise and fall time of 50 nanoseconds each

One 16-bit Timer/Counter with Separate Prescaler

68 ohm 1% 1/4 Watt Resistor (Box of 5000) - MFR Bridge Rectifier Diode you can refer: A7860 DatasheetThese are Metal Film Resistor with a value of 68 ohm 1 4W and tolerance of 1%. These Axial resistors are cylindrical in shape with copper plated steel leads extending from each end. Metal Film Resistor limit the flow of electric current using a Metal Film. The printed colour code rings, which are Black, Blue, Grey, Black, Brown for these 68E resistors, make it easy to identify the value of these resistors. Specification Resistance Value 68 ohm Color