Reverse leakage testing Reverse leakage may be measured only after removing the component from the circuit board because shunt resistances abound in almost all circuits. Good silicon rectifiers and ...

Figure 4 shows an assembled zener-diode-tester circuit. The zener diode under test is On Semiconductor ‘s BZX55C15RL, which has a working voltage of 13.8 to 15.6V. The voltage in Figure 4was measured ...

However, the circuit described here performs a simple go/no-go test on these diodes while limiting forward current and reverse voltage to safe levels (see the figure).

Tiny light-emitting diodes with optical microsystems that can produce all the colors of the rainbow, a new method for producing printed circuit boards – Fraunhofer researchers are showing ...