Single Digit Nixie Tube Clock ‘Z566’
www.pvelectronics.co.uk
- 7 -
3.3 How to identify the correct components
Resistors:
The resistors are easy to identify by the coloured bands
across the cylindrical body. Using a multimeter it should will
be possible very quickly to identify the different values.
Capacitors:
Take care when identifying the 2 small ceramic or polyester
capacitors. Depending on part availability, 2 or more different
types may be supplied. The 22nF capacitor (C6) may be
marked 22nF, 22n, or 223.
Transistors:
The MOSFET Q1 can easily be identified as it has a large
metal heatsink. Note: Due to part availability, this part may
be substituted for a different but equivalent part number so
the part marking may not necessarily be IRF730
Diodes:
The four 1N4001 diodes Q1-Q4 are black and are marked
1N4001. 1N4007 diodes may be supplied instead. The other
black diode is Q5, and again due to part availability it may be
substituted for an equivalent.
D6 is the small, glass bodied diode.