Printed circuit board mounting piezoelectric transformer

A printed circuit board comprising:

• a first mounting surface;
• a second mounting surface;
• a first electronic component soldered to the first mounting surface;
• and
• a second electronic component soldered to the second mounting surface,
• wherein the first electronic component includes:
• a piezoelectric transformer surface-mounted to the first mounting surface, and
• a resistor mounted to the first mounting surface and connected in parallel to a pair of input electrodes of the piezoelectric transformer, and
• wherein the second electronic component includes:
• a semiconductor component mounted to the second mounting surface and configured to form a driving circuit for driving the piezoelectric transformer.

A method for mounting an electric component, the method comprising:

• applying solder to a second mounting surface of a printed circuit board;
• mounting a semiconductor component and a resistor on the second mounting surface, the semiconductor component forming a driving circuit for driving a piezoelectric transformer, and the resistor connected in parallel to an input electrode pair of the piezoelectric transformer;
• soldering the semiconductor component and the resistor on the second mounting surface by inserting the printed circuit board into a reflow oven;
• applying solder to a first mounting surface of the printed circuit board;
• surface-mounting the piezoelectric transformer on the first mounting surface;
• and
• soldering the piezoelectric transformer on the first mounting surface by inserting the printed circuit board into a reflow oven.

A printed circuit board comprising:

• a first mounting surface;
• a second mounting surface;
• a first electronic component soldered to the first mounting surface;
• and
• a second electronic component soldered to the second mounting surface,
• wherein the first electronic component includes:
• a piezoelectric transformer surface-mounted to the first mounting surface, and
• wherein the second electronic component includes:
• a semiconductor component mounted to the second mounting surface and configured to form a driving circuit for driving the piezoelectric transformer, and
• a resistor mounted to the second mounting surface and connected in parallel to a pair of input electrodes of the piezoelectric transformer.